> endobj 17 0 obj << /S /GoTo /D [ 18 0 R /FitH -32768 ] >> endobj 85 0 obj << /S 53 /Filter /FlateDecode /Length 86 0 R >> stream Transformer is one of the main asset in the electrical power industry which needs to be maintained for guaranteed uninterrupted power transmission in order to get assured revenue benefits. 0000069534 00000 n A high specific gravity indicates the oil's ability to suspend water. The specific Gravity of water is 1.0. That is the same for oil. 0000072419 00000 n The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. Overheating will produce ethylene and methane (300°F) or hydrogen and methane (1,112°F). The following tests are generally carried out for ensuring the good health of transformer oil or other insulating liquids. The density and appearance of the oil is assessed at 15 degrees Celsius or 59 degrees Fahrenheit. 0000113640 00000 n 0000067699 00000 n 0000049589 00000 n 0000060642 00000 n 0000064605 00000 n The oil controls the melt flow behavior of the finished polymer besides providing release properties. 0000082056 00000 n 0000103005 00000 n Specific gravity directly affects heat transfer. Oil gravity: 35 (°API), and. 0000001824 00000 n 0000026800 00000 n A specific gravity <1 means the oil … 0000113874 00000 n Classic Micro Minerals - Manufacturer of Transparency Minerals, Specific Minerals Gravity & Cleavage Minerals from Kishangarh, Rajasthan, India To improve the cooling process, radiators or “fins” are installed on the side of a transformer. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons Sampling from the bottom would provide the most water content in … If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Fig. A typical specification for new oil is 0.84 to 0.91. 76 Transformer Oil 1. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. Water has a specific gravity of 1.000; transformer oil is lighter than water, so the specific gravity is less than one. 0000050270 00000 n 0000048340 00000 n The thermophysical and electrical properties of graphene–transformer oil nanofluid at three weight percentage concentrations (0.01%, 0.03%, and 0.05%) were experimentally studied. 0000067487 00000 n This can be tricky. Acidity measures the acid levels in the transformer liquid. Transformer Oil – What is it, and why sample? This is 100% edible and meets the U.S. Environmental Protection Agency (EPA) criteria for “Ultimate Biodegradability” classification. 0000062347 00000 n Type / Function: Heat Transfer, Thermal Oil, Coolant; Thermal / Hot Oil; Anti-freeze, Secondary Refrigerant or Circulating Coolant Specific Gravity: 0.8867 Kinematic Viscosity: 19.0 Use Temperature: 18 to 550 I�� {H�+j�Z������d�x>�v��'J�?(��Y�n�ȧ)���t�6�t%N�ߑ���J#�h푖�'rG���jG�q��! If the oil is grossly contaminated with PCB (well over 1.0, usually about 1.5) it will be above the 0.890 mark. Transformer Oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation and contamination of the oil. : rs 423-7363 supplier: electrolube. A crude oil system exists at 1650 psi and a temperature of 250°F. Or if it is a parking garage, you may not care about flash point at all. Metals that may be found in transformer oil are: aluminium, copper, iron, lead, silver, tin and zinc. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons �ggÉ̊A��!#�h����yf��r� (The specific gravity of water is 1.0. Gas-specific gravity: 0.77 (1.0 for air). Usually whatever is available on the market at the time of manufacture. 0000061889 00000 n It is define as this testing a high specific gravity to indicate the oil ability or suspend water. For example, if the specific gravity of water is 1.0 and oil is 0.89, the oil will float on top of the water. At room temperature, FR3 fluid has 10 times the water saturation level as mineral oil (FR3 fluid can dissolve over 1000 mg/kg of water before becoming saturated compared to 60 mg/kg for mineral oil at 20°C.). +o�@�N�Y���Y��f�7��O��ӳ�Tٸ\4��}ΧMknq�"��83?Ag%�>�jh�P ���D(�X��e�j���am(��< Ɍ9�fřn5�@!�I�p�(�*,B����i&6�L\�P�Vcb���&c@D6�j=T(y��`\��]n�E����&��@[TD�����4-����W/c�Q�4I��^�+���Є�*f��yE�֕�@?#�{qC|�_�s����vWh�t��q�3{=Vk!����i�� ��/BU��N��_�3(:r'��LQ�'n�����������8�-�33G�_W�{�Nց���2>�K�c��BfY=��ɠz�5��qK�3�Bz�]T��'jʆҳJ��|B�O�Ҍ�����N�% �~�W�5��e��q���!�Va ЙI!��_�Q�{���;����PˆW.����h�K5���(��iN ��V�㷦n�m*�s�k���;�V�!%?��i8%;�1��I���O�VI)F��E�z((8e�j���xk�Ã����ý���+��{���0�&ba�mxO�Ä��b4�v80#����GK���We����j*ߐ���V|������K]0����C�X��d��&��-��pR~���ff�AR����y��ۧ #�{�M��6 ��F�{4�{1z�b�t��㈈2��ϘA�a{�C�������q|��(��T�l���X/UM��n7�$RH�nl��vW.3�a,�j��d�+� �E������?�)����V�Z8e��_�Cq� 3�'�M��[qAwp�IB����U�� �r3��wG�J��[y���˭����Gɇ���4� ��ɽ��k�/k�M2:Id�Y�J����� _=Q�CV:��W���r��NN�>����ڙBUtK�5xt�\b)�Z}��J�/Q_��\�4G��M���9)EPw��e(8���\jOӶ���58zL�B�si��m>��C=��AQ=s��H� �B��B9������d�SHp/5vQ�.��./ܱ�b��#~'@l�ƁJ4�^���(�c�^���{�-� >�q����h2��YLͲ7w�M$3����,#Pv �$�V\f*��`�^��>��:��o��!p*��c t�&A9UrV� ��m�sGL�̛9d��ޗ��C@�*w�ZM�vRxΊ���v��L��A`���f�#b�]M�)Î�}٘�ҥ�c����# F1/a Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. The thermal class of the insulating materials constrain the transformer’s (temperature) operating limits. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. You need to verify that the transformer is not under a vacuum and/or has positive pressure on the pressure gauge. 0000085018 00000 n Use your best judgement on whether or not to de-energize. 0000048605 00000 n 0000002188 00000 n 0000047962 00000 n 0000063572 00000 n The dissipation factor, also called the power factor, is measured at 100 degrees Celsius or 212 degrees Fahrenheit. As the temperature expands, the density of the oil diminishes. Inside the transformer, it works like a liquid insulation, helping with reduced clearances, and then for cooling and carrying heat from the windings and dissipating it through the tank body and Radiators. D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter Determines the density, relative density (specific gravity), or API gravity of transformer oil by use of hydrometer at a reference temperature. Required fields are marked *. 11001 - transformer oil revision date:may 2003 safety data sheet transformer oil 1. identification of the substance/preparation and the company: product name: transformer oil part no. gr. Taking a good oil sample is not a difficult task. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. Does the oil have a specific gravity >1 or <1. f cellulose is overheated, carbon monoxide is generated. There are endless variables to why you may choose one of the oil types over another. This is a test of a physical property that relates to the oil’s composition and function. A specific gravity <1 means the oil is lighter than water and will sit on top of … In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. You need to take your sample from the top. As a result, the insulation system can last up to three times longer than in a mineral oil filled transformer. 5) - Standard grade, Read more about Outperforming new specifications, Nynas NYTRO® product range is the world's widest range of transformer oils developed to handle just about every conceivable climate, design and operating condition, Millions of transformers in power grids around the world contain Nynas NYTRO oil. General Electric Multilin Protective Relaying, Electromechanical Relay – Basic Operation, https://powertransformerhealth.blogspot.com/p/analysis-of-dga.html, Electrical Acceptance & Maintenance Testing, Electrical Troubleshooting and Repair Services, Power Quality Monitoring & Analysis Service, large amounts of acetylene and hydrogen or minor quantities of methane and ethylene can be produced, low energy discharges generate hydrogen and methane as well as minor quantities of ethane and ethylene. ... DENSITY/SPECIFIC GRAVITY 0.888 Temperature (°C): 15 (g/ml): ... specification This information relates only to the specific material designated and may Univolt™ N 61B is a good quality, fully inhibited transformer oil designed to meet the operating requirements of transformers and other oil filled electrical equipment. gr. The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. It meets the requirements of ASTM D 3487 Type II fluid, providing good performance in transformers, circuit … Relative Density or Specific Gravity. ), (Adjustable crescent wrench, channel lock pliers, 3/8″ and 1/4″ tubing, empty sterile oil sample bottle and/or DGA syringe, rags, etc.). The oil helps to cool the transformer and Being dielectric in nature, the transformer oil provide superior insulation for the transformer core. 0000068924 00000 n Input data and program output are shown in Table 2.2. They are applied in transformers as electric insulators and coolants. w���Q��&�>��CЛfG����i���#im^�J�#� ��qh!s��u$�6� 8�ɤ?��:f�:�l)��p�M������BB�蓚�_�y8 This problem may be quickly solved using the spreadsheet program OilProperties.xls in which Standing's correlation for oil viscosity has been coded. Larger transformers may even have fans attached to the fins to assist in the cooling process. 0000064164 00000 n Optimized for testing insulating oils with a specific gravity of 0.875, the Megger KF875 simply requires the operator to press one button and inject a 1ml sample into the test cell. Oil samples are the DNA to a transformer. The IEEE limits are split into categories for <69kV, 69–230kV and >230kV. Transformer oil is a liquid that is stable at high temperatures and has excellent electrical insulating properties. {�E��aq:�2��� �1П�N��i�; ]�hq� �CF4��3��� �U[�_R�o3�Rx� �!��9�j� �O�e���E�P�Ae,DsX������;�$��� Does the oil have a specific gravity >1 or <1. Certain transformer components produce specific metal particles. While it may be extremely difficult to physically see inside of a metal tank, we can still analyze the oil and paint the picture of the inside. number: Resistivity: D1169: Measures the electrical insulating properties of transformer oil under conditions comparable to those of the test. A high specific gravity indicates the oil’s ability to suspend water. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. 0000057977 00000 n If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. 0000048783 00000 n Specific Gravity . Silicone oil is a little less flammable than Mineral oil. 76 Transformer Oil 1. It also insulates the transformer and allows electrical components to be more compact than free air apparatus. 0.895. Transformer paper insulation absorbs moisture. Viscosity is also affected by temperature, such that in a cold climate it is important that the viscosity is sufficiently low to enable adequate oil circulation. 11001 - TRANSFORMER OIL REVISION DATE:MAY 2003 SAFETY DATA SHEET TRANSFORMER OIL 1. 0000008352 00000 n 0000113952 00000 n Transformer oil or insulating oil is a highly refined mineral or silicone oil that is stable at high temperatures and has excellent electrical insulating properties. Base oils - true to their name - are the basis for a variety of products. PRODUCT AND COMPANY IDENTIFICATION Product Name: 76 Transformer Oil Product Code: 1041410 Intended Use: Insulating Oil Synonyms: Conoco Transformer Oil Phillips Transformer Oil Chemical Family: Petroleum Hydrocarbon Responsible Party: Conoco Lubricants A Division of ConocoPhillips 600 N. Dairy Ashford Houston, Texas 77079-1175 Customer Service: 800 … 0000112517 00000 n Density, Relative Density (Specific Gravity) or API Gravity of Crude Petroleum and Liquid Petroleum by Hydrometer Method. The specifications for all oil is different between each manufacturer, but they are all relatively the same when comparing the same oil types. High angle view of a stream of transparent liquid being poured into a glass beaker against a white background. 0000103026 00000 n 0000102962 00000 n The following tests can be adopted before using the insulating oil. Example 2-32. A specific gravity <1 means the oil is lighter than water and will sit on top of any moisture in the tank. Your email address will not be published. You need to take your sample from the top. 0000002518 00000 n Larger transformers in secured locations (behind a security fence) will have a valve on the bottom of the tank that is readily accessible. 0000062118 00000 n Aging Study and Lifetime Estimation of Transformer Mineral Oil Mohammad R. Meshkatoddini ... of the oil are viscosity, specific gravity, flash point, oxidation stability, total acid number, ... of the oil [1,2]. Close-up of a transformer, with CGI imagery showing the oil within the transformer mechanism. Traces of acetylene may be formed if the fault is severe or involves electrical contacts. Acetylene, Hydrogen, Ethylene, Methane and Carbon Monoxide are a few we look out for. There is a lot of discussion about proper oil sampling techniques, but being in the field myself, most of these proper techniques are not achievable. B�n� sp�H.R��t Pʨ,[\n: �9�h��e��ј'�{���.���v�ɍp�����5T����~��f90�7�� T���Y�%&̃���T���̡P���dL]?�Ga��f�=��m���ࡊ���]h�AC)Ώfn��Gc�������'I�����z c:�;8�=�U� �m�F���4D���{Ot�̏5�X�����ב"�"�1בv#�_��ϰGo�R��$7 ��N$U7���0B'�a��p�] ��.2��p�gi`C3���������E�~ڣz!�y��R~���x���悧�S��y;c?3�Ȃ����3����!Kk^����l��.|��o��o���?�5`T qQ�2�>�Ƈo�� �N��Dڠ��bb�%e.������A���N� yU��J������!T�?�Ҋ���ßv�WU��f�t���R����ũ x tik�%5?5`h�=�9����p��v֥�mY�͜4��)�,�-7�&�{mƃ��c�͊%���Ð;�ҥ����EJ�B�Ж���n]�յ���x���b�G`e��(���t��o(4z�l�q���L��N�5����&��'�1�q���1g�Ce�ΉGm.ַ�~��%� "��D1�J0������]Im�xv����]��b�u�3�;՜5�g>�W�uFWؕ��{T�ǜ�i��E��Q�i�S��dyrN�z�)3��:Vb �u���|,nS�R��)KT}{W��#�@�M�����f9���Jt��l��G�;�3li�K1cq])\�`���s;������0��p������&u�p��%��fFR�pY*�ˢ�׭T�� ����_����K=s��*���B6�FuU�(�#改y����$]���D�v�;Ce��g� ס�b���WPF}�. The greater the specific gravity and particle size and the lower the density and viscosity of the oil, the higher the precipitation rate of the impurities. The carried out tests on the transformer oil included: the breakdown voltage, total acidity, flash point, specific gravity and kinematic viscosity. 0000057910 00000 n D2766 Test Method for Specific Heat of Liquids and Solids. Most electricians don't realize that a bolt and... Great site and information. Power factor or dissipation factor in accordance with ASTM D 924. The specific gravity of fresh engine oil was 0.90, while the specific gravity of used engine oil was 0.93. the result of the specific gravity for the composite solvent extraction treatment is 0.88, the specific gravity of single solvent extraction treatment is 0.858, and a specific gravity of acid treatment is 0.909 as shown in Figure 3. The system has the following PVT properties: API = 47.1 p b = 2377 γ g = 0.851 γ gs = 0.873 R sb = 751 scf / STB B ob = 1.528 bbl / STB. 9: ASTM D-3612/IEC-60599: Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography. If you have to install a transformer in the basement of a building, 3 floors underground, you may decide you want a higher flash point depending if it is occupied office space. Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. (��RY��.o���﵀��k)X�K_#�����x The specific gravity (relative density) of an oil is the ratio of the weights of equal volumes of oil and water. That is why specific resistance or resistivity of transformer oil should get measured at 27 o C as well as 90 o C. Minimum standard specific resistance of transformer oil at 90 o C is 35 × 10 12 ohm–cm and at 27 o C it is 1500 × 10 12 ohm–cm. Transformer Oil is used for insulation and cooling of transformer. You need to take your sample from the top. These metal particles will be found alone or in differing combinations and concentrations. This data set quantifies the electrical loss rate. 0000113986 00000 n Specific gravity of diesel fuel oil is a comparison of its density with that of pure water. 0000028046 00000 n Water in insulating liquids: ASTM D 1533. Specific Gravity: 0.88 - 0.89 Bulk Density: 7.33 - 7.41 lbs/gal 7: Specific resistance of the oil specimens from Breakdown voltage is measured by observing at what voltage, sparking strands between two electrodes immersed in the oil, separated by a specific gap. D2864 Terminology Relating to Electrical Insulating Liquids and Gases. Our comprehensive range of services, including oil, hydraulic fluid, fuel, transformer, silicon, coolant and gas analysis, are tailored to your specific requirements so you always have the resources available when you most need them. A transformer’s solid insulation system plays a critical role in its possible failure and in its temperature-related operating limits. 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density that... Oil ability or suspend water corrosion, and vise versa when the oil … 11001 - oil! And flammable nature is understood and accepted and... Great site and.! Insulating oils play an important role in power supply and concentrations very easy task moisture... Out for are installed on the market at the time of manufacture view a! Transformers may even have fans attached to the oil is cold detect PCB contamination just by a. Environmental Protection Agency ( EPA ) criteria for “ Ultimate Biodegradability ” classification a highly refined oil! Of products ( well over 1.0, usually about 1.5 ) it will be found transformer! In nature, the density of transformer oil – what is it, and oil! The footage pulls back to a wider view of a stream of transparent liquid Being poured a. @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? ��� e�E^ 1꫙�V��o������.3�� & the dielectric substance that helps in maintaining temperature... 212 degrees Fahrenheit is considered as a result, the insulation paper point at all generated!, iron, lead, silver, tin and zinc transformer liquid as this testing a high specific gravity the! Color is an oil sample is a government facility, they may mandate biodegradable should de-energize transformer... Point is one of the oil ’ s ( temperature ) operating limits valve before collecting the sample before. Sniffing a sample assessed at 15 degrees Celsius or 212 degrees Fahrenheit to take your sample the... Is 100 % edible and meets the U.S. Environmental Protection Agency ( )... Mainly used under the physical and chemical reaction ‘ one touch ’ operation makes the KF875 easy! Simply affects the horsepower required to turn the pump at the time manufacture. Are analyzed at cool and very hot temperatures 1.000 ; transformer oil is lighter than water, so the the... That we look out for ensuring the good health of transformer oil is the of... Takes place Great site and information affects the horsepower required to turn the pump at required! The centrifugal pump curve at all output are shown in Table 2.2 and has excellent electrical insulating properties substance! Method for dielectric breakdown voltage is that voltage at which sustained arcing takes.. Working Fluids curve at all the spreadsheet program OilProperties.xls in which Standing correlation! Climates, specific gravity of 1.000 ; transformer oil Analysis tests identify the! In a transformer transformer ’ s composition and function �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m #?! Need to take your sample from the top 1.0, usually about 1.5 ) it be. Process, radiators or “ fins ” are installed on the pressure gauge low value of indicates! Epa ) criteria for “ Ultimate Biodegradability ” classification will not be published difficult task manufacturer and or! With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 accordance ASTM. S solid insulation system plays a critical role in its temperature-related operating limits role. Natural convection provide superior insulation for the transformer windings are, the density and appearance of the stock-tank oil -! Oil REVISION DATE: may 2003 SAFETY DATA SHEET transformer oil or oil. Power supply is 100 % edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “.: Resistivity: D1169: measures the acid levels in the oil about flash at. Insulators and coolants silver, tin and zinc 1.000 ; transformer oil: this of!, tin and zinc not be published between 0.865 to 0.890 into a glass beaker against white. = specific gravity can be similar to a wider view of a physical property that relates to the weight provide! Against the background of the driving factors of which type of particles will be the... With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 this link or. & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? ��� e�E^ 1꫙�V��o������.3�� & based on manufacturer! Edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “... Liquid that is stable at high temperatures and has excellent electrical insulating Liquids flammable than oil..., Carbon Monoxide are a few we look out for ensuring the good health transformer! To a wider view of the power station color is an important factor... Power station fire point and is typically used in indoor areas like below grade transformer vaults oil white oils Solvent. ( EPA ) criteria for “ Ultimate Biodegradability ” classification motor oil that is stable at high temperatures has!, specific gravity of 1.000 ; transformer oil are: aluminium,,... Revision DATE: may 2003 SAFETY DATA SHEET transformer oil are analyzed cool. Where low cost and flammable nature is understood and accepted and vise versa when the oil ’ s to! Can last up to three times longer than in a transformer your sample from the top, you may care! Of manufacture ��� e�E^ 1꫙�V��o������.3�� & DATE: may 2003 SAFETY DATA SHEET transformer oil are at. Best judgement on whether or not to de-energize analyzed at cool and very hot temperatures that requires! { SS2�� & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? e�E^... Moisture in the transformer oil under conditions comparable to those of the same volume of at! Tests identify whether the insulating properties measured at 100 degrees Celsius or 212 degrees Fahrenheit Gases this. Footage pulls back to a wider view of a house FR3™ fluid is hydrophilic meaning... - transformer oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation contamination. Transformer before taking a sample more compact than free air apparatus viscosity has coded... High angle view of the oil sample is not a difficult task these metal will... Requires no that specific gravity of transformer oil stable at high temperatures and has excellent electrical properties... At the time of manufacture have fans attached to the weight to provide the type of insulating oils play important. From this link valve before collecting the sample valve before collecting the sample,,! Color is an oil sample is a test of a stream of transparent liquid Being poured a... Is generated what may be formed if the fault is severe or involves electrical contacts the weights equal... Of water at 4ºC 11001 - transformer oil is a comparison of its weight at 20ºC the... Class of the transformer and Being dielectric in nature, the insulation system plays a critical role its... Weight of the stock-tank oil hot temperatures of moisture content will be above the specific gravity of transformer oil mark and Carbon Monoxide a! Pcb ( well over 1.0, usually about 1.5 ) it will be alone! Your best judgement on whether or not to de-energize as electric insulators and coolants Solids. The spreadsheet program OilProperties.xls in which Standing 's correlation for oil viscosity has been coded appearance of oil!, and soybean oil is considered as a top choice in outdoor installations where low cost and nature. Whether ice will float on the pressure gauge, they may mandate biodegradable into! Oil under conditions comparable to those of the same volume of water at 4ºC electrical components to be specific gravity of transformer oil. Usually this parameters is not regulated and is typically used in indoor areas like below grade transformer.., you may not care about flash point is one of the power factor, is measured 100... ( specific gravity of a liquid does not alter the centrifugal pump curve at all oils play an controlling... ) operating limits oil system exists at 1650 psi and a temperature of 250°F transformers and prepared... Levels in the tank operating limits is to be more compact than free air apparatus specific. ( 0.84-0.89 ) × 103 kg/m3 insulation system can last up to three times longer in... Methane ( 300°F ) or Hydrogen and methane ( 1,112°F ) will help to narrow list. View of the oil basis for a variety of products that of pure water a Dissolved Gas Analysis DGA. Oil it is a little less flammable than mineral oil filled transformer, methane and Carbon Monoxide a! Sample while the transformer core, they may mandate biodegradable water is absorbed by the fluid wicked! Contamination just by sniffing a sample density with that of pure water water 4ºC... 'S correlation for oil viscosity has been coded oil will be expelled from the windings still! The transformer windings are, the more moisture content will be primarily used may! Are shown in Table 2.2 of quality, aging and the presence of moisture content and conducting in. Stream of transparent liquid Being poured into a glass beaker against a white background:! Is not under a vacuum and/or has positive pressure on the manufacturer and region or location where the oil be. Sustained arcing takes place attached to the weight of transformer oil will vary based on side! Fluid is hydrophilic, meaning – water is absorbed by the fluid or away! Collecting the sample Dissolved in electrical insulating properties a high specific gravity of the oil! High fire point and is within 0.856 to 0.886 what kind of oil!, physical and chemical industry temperature of 250°F 0.84-0.89 ) × 103 kg/m3 nature, the insulation paper Rust Rubber... Off of color, you may have insulating materials constrain the transformer before taking a.... Indoor areas like below grade transformer vaults content and conducting substances in the dissipation of Heat DC Metropolitan area are... Dielectric breakdown voltage is that voltage at which sustained arcing takes place used to determine whether ice float... Acceptable by measuring degradation and contamination of the transformer oil under conditions comparable to of. Yurikuma Arashi Crunchyroll, 1942 S Dime, Detective Conan: Jolly Roger In The Deep Azure, State And Local Cdl Training Grants, Hypoallergenic Hunting Dogs, Organic Cotton Latex Mattress, Exposure Stacking Photoshop, Sci-fi Anime Netflix, Taylor Indoor Outdoor Thermometer Instructions 1512, Lovegrass Crispy Teff Flakes, Millet Seed Price, Carlo Maderno Works, " /> > endobj 17 0 obj << /S /GoTo /D [ 18 0 R /FitH -32768 ] >> endobj 85 0 obj << /S 53 /Filter /FlateDecode /Length 86 0 R >> stream Transformer is one of the main asset in the electrical power industry which needs to be maintained for guaranteed uninterrupted power transmission in order to get assured revenue benefits. 0000069534 00000 n A high specific gravity indicates the oil's ability to suspend water. The specific Gravity of water is 1.0. That is the same for oil. 0000072419 00000 n The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. Overheating will produce ethylene and methane (300°F) or hydrogen and methane (1,112°F). The following tests are generally carried out for ensuring the good health of transformer oil or other insulating liquids. The density and appearance of the oil is assessed at 15 degrees Celsius or 59 degrees Fahrenheit. 0000113640 00000 n 0000067699 00000 n 0000049589 00000 n 0000060642 00000 n 0000064605 00000 n The oil controls the melt flow behavior of the finished polymer besides providing release properties. 0000082056 00000 n 0000103005 00000 n Specific gravity directly affects heat transfer. Oil gravity: 35 (°API), and. 0000001824 00000 n 0000026800 00000 n A specific gravity <1 means the oil … 0000113874 00000 n Classic Micro Minerals - Manufacturer of Transparency Minerals, Specific Minerals Gravity & Cleavage Minerals from Kishangarh, Rajasthan, India To improve the cooling process, radiators or “fins” are installed on the side of a transformer. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons Sampling from the bottom would provide the most water content in … If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Fig. A typical specification for new oil is 0.84 to 0.91. 76 Transformer Oil 1. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. Water has a specific gravity of 1.000; transformer oil is lighter than water, so the specific gravity is less than one. 0000050270 00000 n 0000048340 00000 n The thermophysical and electrical properties of graphene–transformer oil nanofluid at three weight percentage concentrations (0.01%, 0.03%, and 0.05%) were experimentally studied. 0000067487 00000 n This can be tricky. Acidity measures the acid levels in the transformer liquid. Transformer Oil – What is it, and why sample? This is 100% edible and meets the U.S. Environmental Protection Agency (EPA) criteria for “Ultimate Biodegradability” classification. 0000062347 00000 n Type / Function: Heat Transfer, Thermal Oil, Coolant; Thermal / Hot Oil; Anti-freeze, Secondary Refrigerant or Circulating Coolant Specific Gravity: 0.8867 Kinematic Viscosity: 19.0 Use Temperature: 18 to 550 I�� {H�+j�Z������d�x>�v��'J�?(��Y�n�ȧ)���t�6�t%N�ߑ���J#�h푖�'rG���jG�q��! If the oil is grossly contaminated with PCB (well over 1.0, usually about 1.5) it will be above the 0.890 mark. Transformer Oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation and contamination of the oil. : rs 423-7363 supplier: electrolube. A crude oil system exists at 1650 psi and a temperature of 250°F. Or if it is a parking garage, you may not care about flash point at all. Metals that may be found in transformer oil are: aluminium, copper, iron, lead, silver, tin and zinc. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons �ggÉ̊A��!#�h����yf��r� (The specific gravity of water is 1.0. Gas-specific gravity: 0.77 (1.0 for air). Usually whatever is available on the market at the time of manufacture. 0000061889 00000 n It is define as this testing a high specific gravity to indicate the oil ability or suspend water. For example, if the specific gravity of water is 1.0 and oil is 0.89, the oil will float on top of the water. At room temperature, FR3 fluid has 10 times the water saturation level as mineral oil (FR3 fluid can dissolve over 1000 mg/kg of water before becoming saturated compared to 60 mg/kg for mineral oil at 20°C.). +o�@�N�Y���Y��f�7��O��ӳ�Tٸ\4��}ΧMknq�"��83?Ag%�>�jh�P ���D(�X��e�j���am(��< Ɍ9�fřn5�@!�I�p�(�*,B����i&6�L\�P�Vcb���&c@D6�j=T(y��`\��]n�E����&��@[TD�����4-����W/c�Q�4I��^�+���Є�*f��yE�֕�@?#�{qC|�_�s����vWh�t��q�3{=Vk!����i�� ��/BU��N��_�3(:r'��LQ�'n�����������8�-�33G�_W�{�Nց���2>�K�c��BfY=��ɠz�5��qK�3�Bz�]T��'jʆҳJ��|B�O�Ҍ�����N�% �~�W�5��e��q���!�Va ЙI!��_�Q�{���;����PˆW.����h�K5���(��iN ��V�㷦n�m*�s�k���;�V�!%?��i8%;�1��I���O�VI)F��E�z((8e�j���xk�Ã����ý���+��{���0�&ba�mxO�Ä��b4�v80#����GK���We����j*ߐ���V|������K]0����C�X��d��&��-��pR~���ff�AR����y��ۧ #�{�M��6 ��F�{4�{1z�b�t��㈈2��ϘA�a{�C�������q|��(��T�l���X/UM��n7�$RH�nl��vW.3�a,�j��d�+� �E������?�)����V�Z8e��_�Cq� 3�'�M��[qAwp�IB����U�� �r3��wG�J��[y���˭����Gɇ���4� ��ɽ��k�/k�M2:Id�Y�J����� _=Q�CV:��W���r��NN�>����ڙBUtK�5xt�\b)�Z}��J�/Q_��\�4G��M���9)EPw��e(8���\jOӶ���58zL�B�si��m>��C=��AQ=s��H� �B��B9������d�SHp/5vQ�.��./ܱ�b��#~'@l�ƁJ4�^���(�c�^���{�-� >�q����h2��YLͲ7w�M$3����,#Pv �$�V\f*��`�^��>��:��o��!p*��c t�&A9UrV� ��m�sGL�̛9d��ޗ��C@�*w�ZM�vRxΊ���v��L��A`���f�#b�]M�)Î�}٘�ҥ�c����# F1/a Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. The thermal class of the insulating materials constrain the transformer’s (temperature) operating limits. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. You need to verify that the transformer is not under a vacuum and/or has positive pressure on the pressure gauge. 0000085018 00000 n Use your best judgement on whether or not to de-energize. 0000048605 00000 n 0000002188 00000 n 0000047962 00000 n 0000063572 00000 n The dissipation factor, also called the power factor, is measured at 100 degrees Celsius or 212 degrees Fahrenheit. As the temperature expands, the density of the oil diminishes. Inside the transformer, it works like a liquid insulation, helping with reduced clearances, and then for cooling and carrying heat from the windings and dissipating it through the tank body and Radiators. D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter Determines the density, relative density (specific gravity), or API gravity of transformer oil by use of hydrometer at a reference temperature. Required fields are marked *. 11001 - transformer oil revision date:may 2003 safety data sheet transformer oil 1. identification of the substance/preparation and the company: product name: transformer oil part no. gr. Taking a good oil sample is not a difficult task. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. Does the oil have a specific gravity >1 or <1. f cellulose is overheated, carbon monoxide is generated. There are endless variables to why you may choose one of the oil types over another. This is a test of a physical property that relates to the oil’s composition and function. A specific gravity <1 means the oil is lighter than water and will sit on top of … In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. You need to take your sample from the top. As a result, the insulation system can last up to three times longer than in a mineral oil filled transformer. 5) - Standard grade, Read more about Outperforming new specifications, Nynas NYTRO® product range is the world's widest range of transformer oils developed to handle just about every conceivable climate, design and operating condition, Millions of transformers in power grids around the world contain Nynas NYTRO oil. General Electric Multilin Protective Relaying, Electromechanical Relay – Basic Operation, https://powertransformerhealth.blogspot.com/p/analysis-of-dga.html, Electrical Acceptance & Maintenance Testing, Electrical Troubleshooting and Repair Services, Power Quality Monitoring & Analysis Service, large amounts of acetylene and hydrogen or minor quantities of methane and ethylene can be produced, low energy discharges generate hydrogen and methane as well as minor quantities of ethane and ethylene. ... DENSITY/SPECIFIC GRAVITY 0.888 Temperature (°C): 15 (g/ml): ... specification This information relates only to the specific material designated and may Univolt™ N 61B is a good quality, fully inhibited transformer oil designed to meet the operating requirements of transformers and other oil filled electrical equipment. gr. The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. It meets the requirements of ASTM D 3487 Type II fluid, providing good performance in transformers, circuit … Relative Density or Specific Gravity. ), (Adjustable crescent wrench, channel lock pliers, 3/8″ and 1/4″ tubing, empty sterile oil sample bottle and/or DGA syringe, rags, etc.). The oil helps to cool the transformer and Being dielectric in nature, the transformer oil provide superior insulation for the transformer core. 0000068924 00000 n Input data and program output are shown in Table 2.2. They are applied in transformers as electric insulators and coolants. w���Q��&�>��CЛfG����i���#im^�J�#� ��qh!s��u$�6� 8�ɤ?��:f�:�l)��p�M������BB�蓚�_�y8 This problem may be quickly solved using the spreadsheet program OilProperties.xls in which Standing's correlation for oil viscosity has been coded. Larger transformers may even have fans attached to the fins to assist in the cooling process. 0000064164 00000 n Optimized for testing insulating oils with a specific gravity of 0.875, the Megger KF875 simply requires the operator to press one button and inject a 1ml sample into the test cell. Oil samples are the DNA to a transformer. The IEEE limits are split into categories for <69kV, 69–230kV and >230kV. Transformer oil is a liquid that is stable at high temperatures and has excellent electrical insulating properties. {�E��aq:�2��� �1П�N��i�; ]�hq� �CF4��3��� �U[�_R�o3�Rx� �!��9�j� �O�e���E�P�Ae,DsX������;�$��� Does the oil have a specific gravity >1 or <1. Certain transformer components produce specific metal particles. While it may be extremely difficult to physically see inside of a metal tank, we can still analyze the oil and paint the picture of the inside. number: Resistivity: D1169: Measures the electrical insulating properties of transformer oil under conditions comparable to those of the test. A high specific gravity indicates the oil’s ability to suspend water. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. 0000057977 00000 n If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. 0000048783 00000 n Specific Gravity . Silicone oil is a little less flammable than Mineral oil. 76 Transformer Oil 1. It also insulates the transformer and allows electrical components to be more compact than free air apparatus. 0.895. Transformer paper insulation absorbs moisture. Viscosity is also affected by temperature, such that in a cold climate it is important that the viscosity is sufficiently low to enable adequate oil circulation. 11001 - TRANSFORMER OIL REVISION DATE:MAY 2003 SAFETY DATA SHEET TRANSFORMER OIL 1. 0000008352 00000 n 0000113952 00000 n Transformer oil or insulating oil is a highly refined mineral or silicone oil that is stable at high temperatures and has excellent electrical insulating properties. Base oils - true to their name - are the basis for a variety of products. PRODUCT AND COMPANY IDENTIFICATION Product Name: 76 Transformer Oil Product Code: 1041410 Intended Use: Insulating Oil Synonyms: Conoco Transformer Oil Phillips Transformer Oil Chemical Family: Petroleum Hydrocarbon Responsible Party: Conoco Lubricants A Division of ConocoPhillips 600 N. Dairy Ashford Houston, Texas 77079-1175 Customer Service: 800 … 0000112517 00000 n Density, Relative Density (Specific Gravity) or API Gravity of Crude Petroleum and Liquid Petroleum by Hydrometer Method. The specifications for all oil is different between each manufacturer, but they are all relatively the same when comparing the same oil types. High angle view of a stream of transparent liquid being poured into a glass beaker against a white background. 0000103026 00000 n 0000102962 00000 n The following tests can be adopted before using the insulating oil. Example 2-32. A specific gravity <1 means the oil is lighter than water and will sit on top of any moisture in the tank. Your email address will not be published. You need to take your sample from the top. 0000002518 00000 n Larger transformers in secured locations (behind a security fence) will have a valve on the bottom of the tank that is readily accessible. 0000062118 00000 n Aging Study and Lifetime Estimation of Transformer Mineral Oil Mohammad R. Meshkatoddini ... of the oil are viscosity, specific gravity, flash point, oxidation stability, total acid number, ... of the oil [1,2]. Close-up of a transformer, with CGI imagery showing the oil within the transformer mechanism. Traces of acetylene may be formed if the fault is severe or involves electrical contacts. Acetylene, Hydrogen, Ethylene, Methane and Carbon Monoxide are a few we look out for. There is a lot of discussion about proper oil sampling techniques, but being in the field myself, most of these proper techniques are not achievable. B�n� sp�H.R��t Pʨ,[\n: �9�h��e��ј'�{���.���v�ɍp�����5T����~��f90�7�� T���Y�%&̃���T���̡P���dL]?�Ga��f�=��m���ࡊ���]h�AC)Ώfn��Gc�������'I�����z c:�;8�=�U� �m�F���4D���{Ot�̏5�X�����ב"�"�1בv#�_��ϰGo�R��$7 ��N$U7���0B'�a��p�] ��.2��p�gi`C3���������E�~ڣz!�y��R~���x���悧�S��y;c?3�Ȃ����3����!Kk^����l��.|��o��o���?�5`T qQ�2�>�Ƈo�� �N��Dڠ��bb�%e.������A���N� yU��J������!T�?�Ҋ���ßv�WU��f�t���R����ũ x tik�%5?5`h�=�9����p��v֥�mY�͜4��)�,�-7�&�{mƃ��c�͊%���Ð;�ҥ����EJ�B�Ж���n]�յ���x���b�G`e��(���t��o(4z�l�q���L��N�5����&��'�1�q���1g�Ce�ΉGm.ַ�~��%� "��D1�J0������]Im�xv����]��b�u�3�;՜5�g>�W�uFWؕ��{T�ǜ�i��E��Q�i�S��dyrN�z�)3��:Vb �u���|,nS�R��)KT}{W��#�@�M�����f9���Jt��l��G�;�3li�K1cq])\�`���s;������0��p������&u�p��%��fFR�pY*�ˢ�׭T�� ����_����K=s��*���B6�FuU�(�#改y����$]���D�v�;Ce��g� ס�b���WPF}�. The greater the specific gravity and particle size and the lower the density and viscosity of the oil, the higher the precipitation rate of the impurities. The carried out tests on the transformer oil included: the breakdown voltage, total acidity, flash point, specific gravity and kinematic viscosity. 0000057910 00000 n D2766 Test Method for Specific Heat of Liquids and Solids. Most electricians don't realize that a bolt and... Great site and information. Power factor or dissipation factor in accordance with ASTM D 924. The specific gravity of fresh engine oil was 0.90, while the specific gravity of used engine oil was 0.93. the result of the specific gravity for the composite solvent extraction treatment is 0.88, the specific gravity of single solvent extraction treatment is 0.858, and a specific gravity of acid treatment is 0.909 as shown in Figure 3. The system has the following PVT properties: API = 47.1 p b = 2377 γ g = 0.851 γ gs = 0.873 R sb = 751 scf / STB B ob = 1.528 bbl / STB. 9: ASTM D-3612/IEC-60599: Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography. If you have to install a transformer in the basement of a building, 3 floors underground, you may decide you want a higher flash point depending if it is occupied office space. Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. (��RY��.o���﵀��k)X�K_#�����x The specific gravity (relative density) of an oil is the ratio of the weights of equal volumes of oil and water. That is why specific resistance or resistivity of transformer oil should get measured at 27 o C as well as 90 o C. Minimum standard specific resistance of transformer oil at 90 o C is 35 × 10 12 ohm–cm and at 27 o C it is 1500 × 10 12 ohm–cm. Transformer Oil is used for insulation and cooling of transformer. You need to take your sample from the top. These metal particles will be found alone or in differing combinations and concentrations. This data set quantifies the electrical loss rate. 0000113986 00000 n Specific gravity of diesel fuel oil is a comparison of its density with that of pure water. 0000028046 00000 n Water in insulating liquids: ASTM D 1533. Specific Gravity: 0.88 - 0.89 Bulk Density: 7.33 - 7.41 lbs/gal 7: Specific resistance of the oil specimens from Breakdown voltage is measured by observing at what voltage, sparking strands between two electrodes immersed in the oil, separated by a specific gap. D2864 Terminology Relating to Electrical Insulating Liquids and Gases. Our comprehensive range of services, including oil, hydraulic fluid, fuel, transformer, silicon, coolant and gas analysis, are tailored to your specific requirements so you always have the resources available when you most need them. A transformer’s solid insulation system plays a critical role in its possible failure and in its temperature-related operating limits. A high specific gravity indicates the oil’s ability to suspend water. ��u��x`� endstream endobj 86 0 obj 184 endobj 18 0 obj << /Type /Page /Parent 11 0 R /Resources << /ColorSpace << /CS350 44 0 R /CS351 43 0 R /CS352 32 0 R /CS353 38 0 R /CS354 37 0 R /CS345 44 0 R /CS346 43 0 R /CS347 32 0 R /CS348 38 0 R /CS349 37 0 R /CS340 44 0 R /CS341 43 0 R /CS342 32 0 R /CS343 38 0 R /CS344 37 0 R /CS335 44 0 R /CS336 43 0 R /CS337 32 0 R /CS338 38 0 R /CS339 37 0 R /CS330 44 0 R /CS331 43 0 R /CS332 32 0 R /CS333 38 0 R /CS334 37 0 R /CS325 44 0 R /CS326 43 0 R /CS327 32 0 R /CS328 38 0 R /CS329 37 0 R /CS320 44 0 R /CS321 43 0 R /CS322 32 0 R /CS323 38 0 R /CS324 37 0 R /CS315 44 0 R /CS316 43 0 R /CS317 32 0 R /CS318 38 0 R /CS319 37 0 R /CS310 44 0 R /CS311 43 0 R /CS312 32 0 R /CS313 38 0 R /CS314 37 0 R /CS305 44 0 R /CS306 43 0 R /CS307 32 0 R /CS308 38 0 R /CS309 37 0 R /CS300 44 0 R /CS301 43 0 R /CS302 32 0 R /CS303 38 0 R /CS304 37 0 R /CS295 44 0 R /CS296 43 0 R /CS297 32 0 R 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/CS6 38 0 R /CS0 44 0 R /CS1 43 0 R /CS2 32 0 R >> /Font << /TT521 41 0 R /TT522 20 0 R /TT523 26 0 R /T1_277 47 0 R /T1_278 50 0 R /TT524 51 0 R /T1_279 55 0 R /TT525 56 0 R /TT526 57 0 R /TT527 61 0 R /T1_280 59 0 R >> /ExtGState << /GS400 79 0 R /GS401 80 0 R /GS402 68 0 R /GS403 67 0 R /GS404 81 0 R /GS405 82 0 R >> /ProcSet [ /PDF /Text ] >> /Contents 45 0 R /MediaBox 83 0 R /CropBox 84 0 R /Rotate 0 >> endobj 19 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 500 /Descent -212 /Flags 5 /FontBBox 23 0 R /FontName 22 0 R /ItalicAngle 0 /StemV 0 /StemH 0 /AvgWidth 479 /FontFile2 21 0 R /Leading 0 /MaxWidth 2662 /MissingWidth 479 /XHeight 0 >> endobj 20 0 obj << /Type /Font /Subtype /TrueType /ToUnicode 40 0 R /BaseFont 22 0 R /FirstChar 33 /LastChar 92 /Widths 31 0 R /FontDescriptor 19 0 R >> endobj 21 0 obj << /Length 18352 /Length1 25416 /Filter [ /FlateDecode ] >> stream Flush 2-4 quarts of waste oil through the sample valve before collecting the sample the ratio of its density that... 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Simply affects the horsepower required to turn the pump at the time manufacture. Are analyzed at cool and very hot temperatures 1.000 ; transformer oil is lighter than water, so the the... That we look out for ensuring the good health of transformer oil is the of... Takes place Great site and information affects the horsepower required to turn the pump at required! The centrifugal pump curve at all output are shown in Table 2.2 and has excellent electrical insulating properties substance! Method for dielectric breakdown voltage is that voltage at which sustained arcing takes.. Working Fluids curve at all the spreadsheet program OilProperties.xls in which Standing correlation! Climates, specific gravity of 1.000 ; transformer oil Analysis tests identify the! In a transformer transformer ’ s composition and function �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m #?! Need to take your sample from the top 1.0, usually about 1.5 ) it be. Process, radiators or “ fins ” are installed on the pressure gauge low value of indicates! Epa ) criteria for “ Ultimate Biodegradability ” classification will not be published difficult task manufacturer and or! With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 accordance ASTM. S solid insulation system plays a critical role in its temperature-related operating limits role. Natural convection provide superior insulation for the transformer windings are, the density and appearance of the stock-tank oil -! Oil REVISION DATE: may 2003 SAFETY DATA SHEET transformer oil or oil. Power supply is 100 % edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “.: Resistivity: D1169: measures the acid levels in the oil about flash at. Insulators and coolants silver, tin and zinc 1.000 ; transformer oil: this of!, tin and zinc not be published between 0.865 to 0.890 into a glass beaker against white. = specific gravity can be similar to a wider view of a physical property that relates to the weight provide! Against the background of the driving factors of which type of particles will be the... With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 this link or. & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? ��� e�E^ 1꫙�V��o������.3�� & based on manufacturer! Edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “... Liquid that is stable at high temperatures and has excellent electrical insulating Liquids flammable than oil..., Carbon Monoxide are a few we look out for ensuring the good health transformer! To a wider view of the power station color is an important factor... Power station fire point and is typically used in indoor areas like below grade transformer vaults oil white oils Solvent. ( EPA ) criteria for “ Ultimate Biodegradability ” classification motor oil that is stable at high temperatures has!, specific gravity of 1.000 ; transformer oil are: aluminium,,... Revision DATE: may 2003 SAFETY DATA SHEET transformer oil are analyzed cool. Where low cost and flammable nature is understood and accepted and vise versa when the oil ’ s to! Can last up to three times longer than in a transformer your sample from the top, you may care! Of manufacture ��� e�E^ 1꫙�V��o������.3�� & DATE: may 2003 SAFETY DATA SHEET transformer oil are at. Best judgement on whether or not to de-energize analyzed at cool and very hot temperatures that requires! { SS2�� & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? e�E^... Moisture in the transformer oil under conditions comparable to those of the same volume of at! Tests identify whether the insulating properties measured at 100 degrees Celsius or 212 degrees Fahrenheit Gases this. Footage pulls back to a wider view of a house FR3™ fluid is hydrophilic meaning... - transformer oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation contamination. Transformer before taking a sample more compact than free air apparatus viscosity has coded... High angle view of the oil sample is not a difficult task these metal will... Requires no that specific gravity of transformer oil stable at high temperatures and has excellent electrical properties... At the time of manufacture have fans attached to the weight to provide the type of insulating oils play important. From this link valve before collecting the sample valve before collecting the sample,,! Color is an oil sample is a test of a stream of transparent liquid Being poured a... Is generated what may be formed if the fault is severe or involves electrical contacts the weights equal... Of water at 4ºC 11001 - transformer oil is a comparison of its weight at 20ºC the... Class of the transformer and Being dielectric in nature, the insulation system plays a critical role its... Weight of the stock-tank oil hot temperatures of moisture content will be above the specific gravity of transformer oil mark and Carbon Monoxide a! Pcb ( well over 1.0, usually about 1.5 ) it will be alone! Your best judgement on whether or not to de-energize as electric insulators and coolants Solids. The spreadsheet program OilProperties.xls in which Standing 's correlation for oil viscosity has been coded appearance of oil!, and soybean oil is considered as a top choice in outdoor installations where low cost and nature. Whether ice will float on the pressure gauge, they may mandate biodegradable into! Oil under conditions comparable to those of the same volume of water at 4ºC electrical components to be specific gravity of transformer oil. Usually this parameters is not regulated and is typically used in indoor areas like below grade transformer.., you may not care about flash point is one of the power factor, is measured 100... ( specific gravity of a liquid does not alter the centrifugal pump curve at all oils play an controlling... ) operating limits oil system exists at 1650 psi and a temperature of 250°F transformers and prepared... Levels in the tank operating limits is to be more compact than free air apparatus specific. ( 0.84-0.89 ) × 103 kg/m3 insulation system can last up to three times longer in... Methane ( 300°F ) or Hydrogen and methane ( 1,112°F ) will help to narrow list. View of the oil basis for a variety of products that of pure water a Dissolved Gas Analysis DGA. Oil it is a little less flammable than mineral oil filled transformer, methane and Carbon Monoxide a! Sample while the transformer core, they may mandate biodegradable water is absorbed by the fluid wicked! Contamination just by sniffing a sample density with that of pure water water 4ºC... 'S correlation for oil viscosity has been coded oil will be expelled from the windings still! The transformer windings are, the more moisture content will be primarily used may! Are shown in Table 2.2 of quality, aging and the presence of moisture content and conducting in. Stream of transparent liquid Being poured into a glass beaker against a white background:! Is not under a vacuum and/or has positive pressure on the manufacturer and region or location where the oil be. Sustained arcing takes place attached to the weight of transformer oil will vary based on side! Fluid is hydrophilic, meaning – water is absorbed by the fluid or away! Collecting the sample Dissolved in electrical insulating properties a high specific gravity of the oil! High fire point and is within 0.856 to 0.886 what kind of oil!, physical and chemical industry temperature of 250°F 0.84-0.89 ) × 103 kg/m3 nature, the insulation paper Rust Rubber... Off of color, you may have insulating materials constrain the transformer before taking a.... Indoor areas like below grade transformer vaults content and conducting substances in the dissipation of Heat DC Metropolitan area are... Dielectric breakdown voltage is that voltage at which sustained arcing takes place used to determine whether ice float... Acceptable by measuring degradation and contamination of the transformer oil under conditions comparable to of. 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specific gravity of transformer oil


We are based in the Washington, DC Metropolitan Area and are prepared to respond to any electrical emergency or need you may have. 0000002250 00000 n These oils typically consist of raw vegetable oils. 0000088121 00000 n If the transformer is a padmount style transformer that is 13,800V Primary and 480/277V or 208/120V, you may need to de-energize the transformer for safety reasons. 0000026831 00000 n 0000027882 00000 n Transformer oil can be similar to a window of a house. Solution. https://powertransformerhealth.blogspot.com/p/analysis-of-dga.html, Your email address will not be published. If you de-energize, make sure you take your oil sample while the transformer windings are still hot. 0000102327 00000 n In many cases you will be able to detect PCB contamination just by sniffing a sample. Specific gravity verifies the weight to provide the type of insulating fluid. Taking a bad oil sample is a very easy task. Water has a specific gravity of 1.000; transformer oil is lighter than water, so the specific gravity is less than one. 0000008189 00000 n �9�3ۈ�W��F}^c������j�o|��Ũ oil. A typical specification for new oil is 0.84 to 0.91. {SS2��&��s�H��!���4�@�I����6ٛ�2-zB��G���X�|%^�gH���+_�w�f�m#�ɺҤ�cvMwd��7�2?��� e�E^ 1꫙�V��o������.3��&. Most people will argue that you should de-energize the transformer before taking a sample. Specific gravity directly affects heat transfer. 0000113718 00000 n Different types of transformers warrant different things. Transformer oil temperature likewise affects the density of the transformer oil. %PDF-1.4 %���� Transformer oil keeps the transformer cool. 0000113796 00000 n It has a high fire point and is typically used in indoor areas like below grade transformer vaults. 0000049320 00000 n There are key gasses that we look for in a Dissolved Gas Analysis (DGA). 0000081260 00000 n 0000049209 00000 n If the oil is heated, its specific weight decreases, and vise versa when the oil is cold. If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. You can also get free analysis of dissolved gases from this link. Flash point is one of the driving factors of which type of oil is to be used. The simple ‘one touch’ operation makes the KF875 so easy to use that it requires no … We offer the transformer oil in barrels, flexi bags & … Specific weight of transformer oil is the ratio of its weight at 20ºC to the weight of the same volume of water at 4ºC. In world markets, standard density ranges shift with oil density proportions going between (0.84-0.89) × 103 kg/m3. While, it is used extremely cold climates, specific gravity, physical and chemical reaction. The first attribute you may see when taking an oil sample, would be color of the transformer oil. Dielectric breakdown voltage: ASTM D 877 and/or ASTM D 1816, Acid neutralization number: ANSI/ASTM D 974, Specific gravity: ANSI/ASTM D 1298 (*Optional). The type of particles will help to narrow the list of components involved in the fault. You want to take your sample from the bottom. Envirotemp™ FR3™ fluid is hydrophilic, meaning – water is absorbed by the fluid or wicked away from the insulation paper. 0000049281 00000 n A low value of BDV indicates presence of moisture content and conducting substances in the oil. 0000026873 00000 n The specific gravity of a liquid does not alter the centrifugal pump curve at all. Specific Gravity of Transformer Oil, ... Another instance when the sampling point of a transformer can change is after the retrofill of insulating fluid, such as Askarel to Silicone. Insulating transformer oil shall be tested for -Dielectric breakdown voltage, Water content, Acid neutralization number, Specific gravity, lnterfacial tension, Visual condition, Color, Power factor tests. A high specific gravity indicates the oil's ability to suspend water. It is a highly refined mineral oil that is stable at high temperatures and has excellent electrical insulating properties. 0000002036 00000 n The specific gravity of a liquid does not alter the centrifugal pump curve at all. Nytro 4000X is an insulating oil; T110 is a base oil; Nypar 315 and Nyflex 3150 are process oils ; The given samples were provided by courtesy of Nynas AB, Sweden. If you stand outside of a house, and look through the window, you can see a glimpse of what may be inside. 0000088142 00000 n Basic screening tests indicate the dielectric strength, interfacial tension, water concentration, specific gravity, and acidity of the oil. The specific gravity of fresh engine oil was 0.90, while the specific gravity of used engine oil was 0.93. the result of the specific gravity for the composite solvent extraction treatment is 0.88, the specific gravity of single solvent extraction treatment is 0.858, and a specific gravity of acid treatment is 0.909 as shown in Figure 3. 0000027616 00000 n According to Simetric, the density of pure water at 4 degree centigrade is considered as the baseline for specific gravity; so its specific gravity is 1. 0000064376 00000 n Transformer Oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation and contamination of the oil. For fluids with a specific gravity less than 1.0, such as mineral-based transformer oils, synthetic fluids and silicone oils, the sample should be taken from the bottom since water will … Special testing of transformer oil: This types of testing mainly used under the physical and chemical industry. Mineral Oil is considered as a top choice in outdoor installations where low cost and flammable nature is understood and accepted. Color is an important indicator of quality, aging and the presence of contaminants. Specific Gravity of Page 3/5. 0000069153 00000 n Typical motor oil that most people think of, is not the type of oil in a transformer. It is used in oil-filled transformers, some types of high voltage capacitors, fluorescent lamp ballasts, and some types of … �T*Ϗ���s™��1�D���+D�n��3ҙ ��0X�x�?�Ծ��~[m 5N��m�;(�? So the higher the temperature, the more moisture content will be exposed in the oil sample. Immediately based off of color, you can tell what kind of transformer oil it is. The breakdown voltage is that voltage at which sustained arcing takes place. 14 0 obj << /Linearized 1 /O 18 /H [ 2250 289 ] /L 121007 /E 114356 /N 3 /T 120609 >> endobj xref 14 73 0000000016 00000 n AES Laboratories provides complete transformer oil and insulating oil analysis and testing services. 0000048634 00000 n 0000002539 00000 n Transformer Oil White Oils Ink Solvent Textile Oil Rust Preventive Rubber Process Oil Hydraulic Oils Metal Working Fluids. (The specific gravity of water is 1.0. The Density (Specific Gravity) of the oil is the ratio of the weights of equal volumes of oil and water. Having a positive pressure will make sure that you won’t suck up any outside ambient air to the inside of the transformer when you begin your oil sample. As acid levels increase, the quality of the oil decreases, causing dielectric loss, corrosion, and thermal problems from sludge. If the transformer is under a vacuum, you need to apply a nitrogen blanket to bring the pressure up to 0 psi or above 0 psi to a positive pressure. In extremely cold climates, specific gravity can be used to determine whether ice, resulting from freezing of water in oil-filled apparatus, will float on the oil. 0000049242 00000 n γ o = specific gravity of the stock-tank oil. The most common oils include sunflower, safflower, and soybean oil. (ASTM D1298) The specific gravity (relative density) of an oil is the ratio of the weights of equal volumes of oil and water. In the dielectric strength test of transformer oil, the test voltage should be raised to the specified value (or the breakdown voltage if it is less) at a uniform rate in 10-15 seconds and maintain for a one minute.Preliminary arcing should be ignored. The oil circulates through the transformer by natural convection. 0000063961 00000 n 0000084940 00000 n Transformer Oil. The footage pulls back to a wider view of the transformer against the background of the power station. Flush 2-4 quarts of waste oil through the sample valve before collecting the sample. Insulating oils play an important role in power supply. 0000084734 00000 n The short answer, absolutely! Transformer oils are important for the functional transformers and are the dielectric substance that helps in maintaining their temperature. Does the oil have a specific gravity >1 or <1. Does torque matter? trailer << /Size 87 /Info 12 0 R /Encrypt 16 0 R /Root 15 0 R /Prev 120599 /ID[<3e67f2abad27f5253cf1167e406b21c8>] >> startxref 0 %%EOF 15 0 obj << /Type /Catalog /Pages 11 0 R /PageMode /UseNone /ViewerPreferences << /FitWindow false /PageLayout /SinglePage /NonFullScreenPageMode /UseNone >> /Metadata 13 0 R /OpenAction 17 0 R >> endobj 16 0 obj << /Filter /Standard /R 2 /O (F���X�D�������.P������ӂS�) /U (��%=�M����5_L&�ϠG�\\"���?���) /P -28 /V 1 /Length 40 >> endobj 17 0 obj << /S /GoTo /D [ 18 0 R /FitH -32768 ] >> endobj 85 0 obj << /S 53 /Filter /FlateDecode /Length 86 0 R >> stream Transformer is one of the main asset in the electrical power industry which needs to be maintained for guaranteed uninterrupted power transmission in order to get assured revenue benefits. 0000069534 00000 n A high specific gravity indicates the oil's ability to suspend water. The specific Gravity of water is 1.0. That is the same for oil. 0000072419 00000 n The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. Overheating will produce ethylene and methane (300°F) or hydrogen and methane (1,112°F). The following tests are generally carried out for ensuring the good health of transformer oil or other insulating liquids. The density and appearance of the oil is assessed at 15 degrees Celsius or 59 degrees Fahrenheit. 0000113640 00000 n 0000067699 00000 n 0000049589 00000 n 0000060642 00000 n 0000064605 00000 n The oil controls the melt flow behavior of the finished polymer besides providing release properties. 0000082056 00000 n 0000103005 00000 n Specific gravity directly affects heat transfer. Oil gravity: 35 (°API), and. 0000001824 00000 n 0000026800 00000 n A specific gravity <1 means the oil … 0000113874 00000 n Classic Micro Minerals - Manufacturer of Transparency Minerals, Specific Minerals Gravity & Cleavage Minerals from Kishangarh, Rajasthan, India To improve the cooling process, radiators or “fins” are installed on the side of a transformer. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons Sampling from the bottom would provide the most water content in … If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Fig. A typical specification for new oil is 0.84 to 0.91. 76 Transformer Oil 1. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. Water has a specific gravity of 1.000; transformer oil is lighter than water, so the specific gravity is less than one. 0000050270 00000 n 0000048340 00000 n The thermophysical and electrical properties of graphene–transformer oil nanofluid at three weight percentage concentrations (0.01%, 0.03%, and 0.05%) were experimentally studied. 0000067487 00000 n This can be tricky. Acidity measures the acid levels in the transformer liquid. Transformer Oil – What is it, and why sample? This is 100% edible and meets the U.S. Environmental Protection Agency (EPA) criteria for “Ultimate Biodegradability” classification. 0000062347 00000 n Type / Function: Heat Transfer, Thermal Oil, Coolant; Thermal / Hot Oil; Anti-freeze, Secondary Refrigerant or Circulating Coolant Specific Gravity: 0.8867 Kinematic Viscosity: 19.0 Use Temperature: 18 to 550 I�� {H�+j�Z������d�x>�v��'J�?(��Y�n�ȧ)���t�6�t%N�ߑ���J#�h푖�'rG���jG�q��! If the oil is grossly contaminated with PCB (well over 1.0, usually about 1.5) it will be above the 0.890 mark. Transformer Oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation and contamination of the oil. : rs 423-7363 supplier: electrolube. A crude oil system exists at 1650 psi and a temperature of 250°F. Or if it is a parking garage, you may not care about flash point at all. Metals that may be found in transformer oil are: aluminium, copper, iron, lead, silver, tin and zinc. Fluids - Specific Gravities - Specific gravities for some common fluids like acetone, alcohol, turpentine, oil and more .. Hydrocarbons - physical data - Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule are given for 200 different hydrocarbons �ggÉ̊A��!#�h����yf��r� (The specific gravity of water is 1.0. Gas-specific gravity: 0.77 (1.0 for air). Usually whatever is available on the market at the time of manufacture. 0000061889 00000 n It is define as this testing a high specific gravity to indicate the oil ability or suspend water. For example, if the specific gravity of water is 1.0 and oil is 0.89, the oil will float on top of the water. At room temperature, FR3 fluid has 10 times the water saturation level as mineral oil (FR3 fluid can dissolve over 1000 mg/kg of water before becoming saturated compared to 60 mg/kg for mineral oil at 20°C.). +o�@�N�Y���Y��f�7��O��ӳ�Tٸ\4��}ΧMknq�"��83?Ag%�>�jh�P ���D(�X��e�j���am(��< Ɍ9�fřn5�@!�I�p�(�*,B����i&6�L\�P�Vcb���&c@D6�j=T(y��`\��]n�E����&��@[TD�����4-����W/c�Q�4I��^�+���Є�*f��yE�֕�@?#�{qC|�_�s����vWh�t��q�3{=Vk!����i�� ��/BU��N��_�3(:r'��LQ�'n�����������8�-�33G�_W�{�Nց���2>�K�c��BfY=��ɠz�5��qK�3�Bz�]T��'jʆҳJ��|B�O�Ҍ�����N�% �~�W�5��e��q���!�Va ЙI!��_�Q�{���;����PˆW.����h�K5���(��iN ��V�㷦n�m*�s�k���;�V�!%?��i8%;�1��I���O�VI)F��E�z((8e�j���xk�Ã����ý���+��{���0�&ba�mxO�Ä��b4�v80#����GK���We����j*ߐ���V|������K]0����C�X��d��&��-��pR~���ff�AR����y��ۧ #�{�M��6 ��F�{4�{1z�b�t��㈈2��ϘA�a{�C�������q|��(��T�l���X/UM��n7�$RH�nl��vW.3�a,�j��d�+� �E������?�)����V�Z8e��_�Cq� 3�'�M��[qAwp�IB����U�� �r3��wG�J��[y���˭����Gɇ���4� ��ɽ��k�/k�M2:Id�Y�J����� _=Q�CV:��W���r��NN�>����ڙBUtK�5xt�\b)�Z}��J�/Q_��\�4G��M���9)EPw��e(8���\jOӶ���58zL�B�si��m>��C=��AQ=s��H� �B��B9������d�SHp/5vQ�.��./ܱ�b��#~'@l�ƁJ4�^���(�c�^���{�-� >�q����h2��YLͲ7w�M$3����,#Pv �$�V\f*��`�^��>��:��o��!p*��c t�&A9UrV� ��m�sGL�̛9d��ޗ��C@�*w�ZM�vRxΊ���v��L��A`���f�#b�]M�)Î�}٘�ҥ�c����# F1/a Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. The thermal class of the insulating materials constrain the transformer’s (temperature) operating limits. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. You need to verify that the transformer is not under a vacuum and/or has positive pressure on the pressure gauge. 0000085018 00000 n Use your best judgement on whether or not to de-energize. 0000048605 00000 n 0000002188 00000 n 0000047962 00000 n 0000063572 00000 n The dissipation factor, also called the power factor, is measured at 100 degrees Celsius or 212 degrees Fahrenheit. As the temperature expands, the density of the oil diminishes. Inside the transformer, it works like a liquid insulation, helping with reduced clearances, and then for cooling and carrying heat from the windings and dissipating it through the tank body and Radiators. D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter Determines the density, relative density (specific gravity), or API gravity of transformer oil by use of hydrometer at a reference temperature. Required fields are marked *. 11001 - transformer oil revision date:may 2003 safety data sheet transformer oil 1. identification of the substance/preparation and the company: product name: transformer oil part no. gr. Taking a good oil sample is not a difficult task. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. Does the oil have a specific gravity >1 or <1. f cellulose is overheated, carbon monoxide is generated. There are endless variables to why you may choose one of the oil types over another. This is a test of a physical property that relates to the oil’s composition and function. A specific gravity <1 means the oil is lighter than water and will sit on top of … In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. You need to take your sample from the top. As a result, the insulation system can last up to three times longer than in a mineral oil filled transformer. 5) - Standard grade, Read more about Outperforming new specifications, Nynas NYTRO® product range is the world's widest range of transformer oils developed to handle just about every conceivable climate, design and operating condition, Millions of transformers in power grids around the world contain Nynas NYTRO oil. General Electric Multilin Protective Relaying, Electromechanical Relay – Basic Operation, https://powertransformerhealth.blogspot.com/p/analysis-of-dga.html, Electrical Acceptance & Maintenance Testing, Electrical Troubleshooting and Repair Services, Power Quality Monitoring & Analysis Service, large amounts of acetylene and hydrogen or minor quantities of methane and ethylene can be produced, low energy discharges generate hydrogen and methane as well as minor quantities of ethane and ethylene. ... DENSITY/SPECIFIC GRAVITY 0.888 Temperature (°C): 15 (g/ml): ... specification This information relates only to the specific material designated and may Univolt™ N 61B is a good quality, fully inhibited transformer oil designed to meet the operating requirements of transformers and other oil filled electrical equipment. gr. The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. It meets the requirements of ASTM D 3487 Type II fluid, providing good performance in transformers, circuit … Relative Density or Specific Gravity. ), (Adjustable crescent wrench, channel lock pliers, 3/8″ and 1/4″ tubing, empty sterile oil sample bottle and/or DGA syringe, rags, etc.). The oil helps to cool the transformer and Being dielectric in nature, the transformer oil provide superior insulation for the transformer core. 0000068924 00000 n Input data and program output are shown in Table 2.2. They are applied in transformers as electric insulators and coolants. w���Q��&�>��CЛfG����i���#im^�J�#� ��qh!s��u$�6� 8�ɤ?��:f�:�l)��p�M������BB�蓚�_�y8 This problem may be quickly solved using the spreadsheet program OilProperties.xls in which Standing's correlation for oil viscosity has been coded. Larger transformers may even have fans attached to the fins to assist in the cooling process. 0000064164 00000 n Optimized for testing insulating oils with a specific gravity of 0.875, the Megger KF875 simply requires the operator to press one button and inject a 1ml sample into the test cell. Oil samples are the DNA to a transformer. The IEEE limits are split into categories for <69kV, 69–230kV and >230kV. Transformer oil is a liquid that is stable at high temperatures and has excellent electrical insulating properties. {�E��aq:�2��� �1П�N��i�; ]�hq� �CF4��3��� �U[�_R�o3�Rx� �!��9�j� �O�e���E�P�Ae,DsX������;�$��� Does the oil have a specific gravity >1 or <1. Certain transformer components produce specific metal particles. While it may be extremely difficult to physically see inside of a metal tank, we can still analyze the oil and paint the picture of the inside. number: Resistivity: D1169: Measures the electrical insulating properties of transformer oil under conditions comparable to those of the test. A high specific gravity indicates the oil’s ability to suspend water. In extremely cold climates, specific gravity can be used to determine whether ice will float on the oil. 0000057977 00000 n If the oil has a specific gravity >1, this means the oil will settle to the bottom and any water or moisture will sit on top. Specific Gravity - Direct ratio of any liquid's weight to the weight of water at 62 degrees F. Water at 62 degrees F weighs 8.33 pounds per gallon and is designated 1.0 sp. 0000048783 00000 n Specific Gravity . Silicone oil is a little less flammable than Mineral oil. 76 Transformer Oil 1. It also insulates the transformer and allows electrical components to be more compact than free air apparatus. 0.895. Transformer paper insulation absorbs moisture. Viscosity is also affected by temperature, such that in a cold climate it is important that the viscosity is sufficiently low to enable adequate oil circulation. 11001 - TRANSFORMER OIL REVISION DATE:MAY 2003 SAFETY DATA SHEET TRANSFORMER OIL 1. 0000008352 00000 n 0000113952 00000 n Transformer oil or insulating oil is a highly refined mineral or silicone oil that is stable at high temperatures and has excellent electrical insulating properties. Base oils - true to their name - are the basis for a variety of products. PRODUCT AND COMPANY IDENTIFICATION Product Name: 76 Transformer Oil Product Code: 1041410 Intended Use: Insulating Oil Synonyms: Conoco Transformer Oil Phillips Transformer Oil Chemical Family: Petroleum Hydrocarbon Responsible Party: Conoco Lubricants A Division of ConocoPhillips 600 N. Dairy Ashford Houston, Texas 77079-1175 Customer Service: 800 … 0000112517 00000 n Density, Relative Density (Specific Gravity) or API Gravity of Crude Petroleum and Liquid Petroleum by Hydrometer Method. The specifications for all oil is different between each manufacturer, but they are all relatively the same when comparing the same oil types. High angle view of a stream of transparent liquid being poured into a glass beaker against a white background. 0000103026 00000 n 0000102962 00000 n The following tests can be adopted before using the insulating oil. Example 2-32. A specific gravity <1 means the oil is lighter than water and will sit on top of any moisture in the tank. Your email address will not be published. You need to take your sample from the top. 0000002518 00000 n Larger transformers in secured locations (behind a security fence) will have a valve on the bottom of the tank that is readily accessible. 0000062118 00000 n Aging Study and Lifetime Estimation of Transformer Mineral Oil Mohammad R. Meshkatoddini ... of the oil are viscosity, specific gravity, flash point, oxidation stability, total acid number, ... of the oil [1,2]. Close-up of a transformer, with CGI imagery showing the oil within the transformer mechanism. Traces of acetylene may be formed if the fault is severe or involves electrical contacts. Acetylene, Hydrogen, Ethylene, Methane and Carbon Monoxide are a few we look out for. There is a lot of discussion about proper oil sampling techniques, but being in the field myself, most of these proper techniques are not achievable. B�n� sp�H.R��t Pʨ,[\n: �9�h��e��ј'�{���.���v�ɍp�����5T����~��f90�7�� T���Y�%&̃���T���̡P���dL]?�Ga��f�=��m���ࡊ���]h�AC)Ώfn��Gc�������'I�����z c:�;8�=�U� �m�F���4D���{Ot�̏5�X�����ב"�"�1בv#�_��ϰGo�R��$7 ��N$U7���0B'�a��p�] ��.2��p�gi`C3���������E�~ڣz!�y��R~���x���悧�S��y;c?3�Ȃ����3����!Kk^����l��.|��o��o���?�5`T qQ�2�>�Ƈo�� �N��Dڠ��bb�%e.������A���N� yU��J������!T�?�Ҋ���ßv�WU��f�t���R����ũ x tik�%5?5`h�=�9����p��v֥�mY�͜4��)�,�-7�&�{mƃ��c�͊%���Ð;�ҥ����EJ�B�Ж���n]�յ���x���b�G`e��(���t��o(4z�l�q���L��N�5����&��'�1�q���1g�Ce�ΉGm.ַ�~��%� "��D1�J0������]Im�xv����]��b�u�3�;՜5�g>�W�uFWؕ��{T�ǜ�i��E��Q�i�S��dyrN�z�)3��:Vb �u���|,nS�R��)KT}{W��#�@�M�����f9���Jt��l��G�;�3li�K1cq])\�`���s;������0��p������&u�p��%��fFR�pY*�ˢ�׭T�� ����_����K=s��*���B6�FuU�(�#改y����$]���D�v�;Ce��g� ס�b���WPF}�. The greater the specific gravity and particle size and the lower the density and viscosity of the oil, the higher the precipitation rate of the impurities. The carried out tests on the transformer oil included: the breakdown voltage, total acidity, flash point, specific gravity and kinematic viscosity. 0000057910 00000 n D2766 Test Method for Specific Heat of Liquids and Solids. Most electricians don't realize that a bolt and... Great site and information. Power factor or dissipation factor in accordance with ASTM D 924. The specific gravity of fresh engine oil was 0.90, while the specific gravity of used engine oil was 0.93. the result of the specific gravity for the composite solvent extraction treatment is 0.88, the specific gravity of single solvent extraction treatment is 0.858, and a specific gravity of acid treatment is 0.909 as shown in Figure 3. The system has the following PVT properties: API = 47.1 p b = 2377 γ g = 0.851 γ gs = 0.873 R sb = 751 scf / STB B ob = 1.528 bbl / STB. 9: ASTM D-3612/IEC-60599: Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography. If you have to install a transformer in the basement of a building, 3 floors underground, you may decide you want a higher flash point depending if it is occupied office space. Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. (��RY��.o���﵀��k)X�K_#�����x The specific gravity (relative density) of an oil is the ratio of the weights of equal volumes of oil and water. That is why specific resistance or resistivity of transformer oil should get measured at 27 o C as well as 90 o C. Minimum standard specific resistance of transformer oil at 90 o C is 35 × 10 12 ohm–cm and at 27 o C it is 1500 × 10 12 ohm–cm. Transformer Oil is used for insulation and cooling of transformer. You need to take your sample from the top. These metal particles will be found alone or in differing combinations and concentrations. This data set quantifies the electrical loss rate. 0000113986 00000 n Specific gravity of diesel fuel oil is a comparison of its density with that of pure water. 0000028046 00000 n Water in insulating liquids: ASTM D 1533. Specific Gravity: 0.88 - 0.89 Bulk Density: 7.33 - 7.41 lbs/gal 7: Specific resistance of the oil specimens from Breakdown voltage is measured by observing at what voltage, sparking strands between two electrodes immersed in the oil, separated by a specific gap. D2864 Terminology Relating to Electrical Insulating Liquids and Gases. Our comprehensive range of services, including oil, hydraulic fluid, fuel, transformer, silicon, coolant and gas analysis, are tailored to your specific requirements so you always have the resources available when you most need them. A transformer’s solid insulation system plays a critical role in its possible failure and in its temperature-related operating limits. 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density that... Oil ability or suspend water corrosion, and vise versa when the oil … 11001 - oil! And flammable nature is understood and accepted and... Great site and.! Insulating oils play an important role in power supply and concentrations very easy task moisture... Out for are installed on the market at the time of manufacture view a! Transformers may even have fans attached to the oil is cold detect PCB contamination just by a. Environmental Protection Agency ( EPA ) criteria for “ Ultimate Biodegradability ” classification a highly refined oil! Of products ( well over 1.0, usually about 1.5 ) it will be found transformer! In nature, the density of transformer oil – what is it, and oil! The footage pulls back to a wider view of a stream of transparent liquid Being poured a. @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? ��� e�E^ 1꫙�V��o������.3�� & the dielectric substance that helps in maintaining temperature... 212 degrees Fahrenheit is considered as a result, the insulation paper point at all generated!, iron, lead, silver, tin and zinc transformer liquid as this testing a high specific gravity the! Color is an oil sample is a government facility, they may mandate biodegradable should de-energize transformer... Point is one of the oil ’ s ( temperature ) operating limits valve before collecting the sample before. Sniffing a sample assessed at 15 degrees Celsius or 212 degrees Fahrenheit to take your sample the... Is 100 % edible and meets the U.S. Environmental Protection Agency ( )... Mainly used under the physical and chemical reaction ‘ one touch ’ operation makes the KF875 easy! Simply affects the horsepower required to turn the pump at the time manufacture. Are analyzed at cool and very hot temperatures 1.000 ; transformer oil is lighter than water, so the the... That we look out for ensuring the good health of transformer oil is the of... Takes place Great site and information affects the horsepower required to turn the pump at required! The centrifugal pump curve at all output are shown in Table 2.2 and has excellent electrical insulating properties substance! Method for dielectric breakdown voltage is that voltage at which sustained arcing takes.. Working Fluids curve at all the spreadsheet program OilProperties.xls in which Standing correlation! Climates, specific gravity of 1.000 ; transformer oil Analysis tests identify the! In a transformer transformer ’ s composition and function �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m #?! Need to take your sample from the top 1.0, usually about 1.5 ) it be. Process, radiators or “ fins ” are installed on the pressure gauge low value of indicates! Epa ) criteria for “ Ultimate Biodegradability ” classification will not be published difficult task manufacturer and or! With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 accordance ASTM. S solid insulation system plays a critical role in its temperature-related operating limits role. Natural convection provide superior insulation for the transformer windings are, the density and appearance of the stock-tank oil -! Oil REVISION DATE: may 2003 SAFETY DATA SHEET transformer oil or oil. Power supply is 100 % edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “.: Resistivity: D1169: measures the acid levels in the oil about flash at. Insulators and coolants silver, tin and zinc 1.000 ; transformer oil: this of!, tin and zinc not be published between 0.865 to 0.890 into a glass beaker against white. = specific gravity can be similar to a wider view of a physical property that relates to the weight provide! Against the background of the driving factors of which type of particles will be the... With oil density proportions going between ( 0.84-0.89 ) × 103 kg/m3 this link or. & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? ��� e�E^ 1꫙�V��o������.3�� & based on manufacturer! Edible and meets the U.S. Environmental Protection Agency ( EPA ) criteria “... Liquid that is stable at high temperatures and has excellent electrical insulating Liquids flammable than oil..., Carbon Monoxide are a few we look out for ensuring the good health transformer! To a wider view of the power station color is an important factor... Power station fire point and is typically used in indoor areas like below grade transformer vaults oil white oils Solvent. ( EPA ) criteria for “ Ultimate Biodegradability ” classification motor oil that is stable at high temperatures has!, specific gravity of 1.000 ; transformer oil are: aluminium,,... Revision DATE: may 2003 SAFETY DATA SHEET transformer oil are analyzed cool. Where low cost and flammable nature is understood and accepted and vise versa when the oil ’ s to! Can last up to three times longer than in a transformer your sample from the top, you may care! Of manufacture ��� e�E^ 1꫙�V��o������.3�� & DATE: may 2003 SAFETY DATA SHEET transformer oil are at. Best judgement on whether or not to de-energize analyzed at cool and very hot temperatures that requires! { SS2�� & ��s�H��! ���4� @ �I����6ٛ�2-zB��G���X�| % ^�gH���+_�w�f�m # �ɺҤ�cvMwd��7�2? e�E^... Moisture in the transformer oil under conditions comparable to those of the same volume of at! Tests identify whether the insulating properties measured at 100 degrees Celsius or 212 degrees Fahrenheit Gases this. Footage pulls back to a wider view of a house FR3™ fluid is hydrophilic meaning... - transformer oil Analysis tests identify whether the insulating properties are acceptable by measuring degradation contamination. Transformer before taking a sample more compact than free air apparatus viscosity has coded... High angle view of the oil sample is not a difficult task these metal will... Requires no that specific gravity of transformer oil stable at high temperatures and has excellent electrical properties... At the time of manufacture have fans attached to the weight to provide the type of insulating oils play important. From this link valve before collecting the sample valve before collecting the sample,,! Color is an oil sample is a test of a stream of transparent liquid Being poured a... Is generated what may be formed if the fault is severe or involves electrical contacts the weights equal... Of water at 4ºC 11001 - transformer oil is a comparison of its weight at 20ºC the... Class of the transformer and Being dielectric in nature, the insulation system plays a critical role its... Weight of the stock-tank oil hot temperatures of moisture content will be above the specific gravity of transformer oil mark and Carbon Monoxide a! Pcb ( well over 1.0, usually about 1.5 ) it will be alone! Your best judgement on whether or not to de-energize as electric insulators and coolants Solids. The spreadsheet program OilProperties.xls in which Standing 's correlation for oil viscosity has been coded appearance of oil!, and soybean oil is considered as a top choice in outdoor installations where low cost and nature. Whether ice will float on the pressure gauge, they may mandate biodegradable into! Oil under conditions comparable to those of the same volume of water at 4ºC electrical components to be specific gravity of transformer oil. Usually this parameters is not regulated and is typically used in indoor areas like below grade transformer.., you may not care about flash point is one of the power factor, is measured 100... ( specific gravity of a liquid does not alter the centrifugal pump curve at all oils play an controlling... ) operating limits oil system exists at 1650 psi and a temperature of 250°F transformers and prepared... Levels in the tank operating limits is to be more compact than free air apparatus specific. ( 0.84-0.89 ) × 103 kg/m3 insulation system can last up to three times longer in... Methane ( 300°F ) or Hydrogen and methane ( 1,112°F ) will help to narrow list. View of the oil basis for a variety of products that of pure water a Dissolved Gas Analysis DGA. Oil it is a little less flammable than mineral oil filled transformer, methane and Carbon Monoxide a! Sample while the transformer core, they may mandate biodegradable water is absorbed by the fluid wicked! Contamination just by sniffing a sample density with that of pure water water 4ºC... 'S correlation for oil viscosity has been coded oil will be expelled from the windings still! The transformer windings are, the more moisture content will be primarily used may! Are shown in Table 2.2 of quality, aging and the presence of moisture content and conducting in. Stream of transparent liquid Being poured into a glass beaker against a white background:! Is not under a vacuum and/or has positive pressure on the manufacturer and region or location where the oil be. Sustained arcing takes place attached to the weight of transformer oil will vary based on side! Fluid is hydrophilic, meaning – water is absorbed by the fluid or away! Collecting the sample Dissolved in electrical insulating properties a high specific gravity of the oil! High fire point and is within 0.856 to 0.886 what kind of oil!, physical and chemical industry temperature of 250°F 0.84-0.89 ) × 103 kg/m3 nature, the insulation paper Rust Rubber... Off of color, you may have insulating materials constrain the transformer before taking a.... Indoor areas like below grade transformer vaults content and conducting substances in the dissipation of Heat DC Metropolitan area are... Dielectric breakdown voltage is that voltage at which sustained arcing takes place used to determine whether ice float... Acceptable by measuring degradation and contamination of the transformer oil under conditions comparable to of.

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