transformer oil specification

Transformer Oil. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. <> endobj This is a method of measuring the quality of the transformer oil purification process by the amount contaminants left in the oil. This parameter is mostly important for fresh oils; it shows the quality of their washing. Specification shall supersede these Standards in the event there is a discrepancy: a) IEC 60076 (1993) ‐ Power Transformers b) DIN42500 ‐ Three‐phase oil‐immersed … If you disable this cookie, we will not be able to save your preferences. This website uses cookies so that we can provide you with the best user experience possible. Transformer Oil Testing is a proven loss prevention technique which should be a part of any condition-based predictive maintenance program. Upgrading of new and used electrical insulating liquids, transformer oils & silicones. Density(K G/dm³) @20°C ISO 3675 0.89 Max 3. The latter two are unacceptable since this chemical element can intensify corrosion and increase resistance of contacts in transformer switches. This is because it tends to deteriorate over time. Developed and formulated to deliver solid resistance to oil degradation, NYTRO Libra provides good oxidation stability thanks to its natural inhibitors. The CMM-MR units provide complete regeneration of dielectric insulating oils using Fuller’s Earth which can be reactivated in the system without the need to stop the process. x��=k��F�� �?�t���/>��If�N����������EEC9�����&)�-Y�x"R�������W�7��m������)o�]���z��W���Wʇ�l���է�M�~�ʻj�E߽}���E'�_!d�D���2�T/_�뿢���]�|��{q�F��/_�X�H'Y�)�/>ۧ~��EO���^��ꇗ/~�E��D���}�?_�8�����q�w�K�81Q&M�;D�p�޽� stream IS-335/1993 Specification for uninhibited new insulating oils. TEST PARAMETERS TEST METHOD SPECIFICATION Min. Known for its precise engineering, these plants are manufactured in different specifications to suit the needs of diverse applications. NYTRO Libra is an uninhibited transformer oil that conforms to IEC 60296 Edition 5.0. Content of sulfur in the transformer oil is measured by its influence on a copper plate. 2) High resistivity leading to better insulation values between windings. Act as an insulation 3. Transformer Oil Specification Scope: The condition case manufacture, testing, supply and delivery and the need of latest insulating oil of petroleum source satisfactory for use as insulating and warmness relocation medium and are demolishing medium in power/ … Portable Transformer Oil Purifier/Degasifier (E865C) �üX�/ ]��frw�����4 ���ھg>��\�޴����տ��=X��w[���������x�{k�������q�� ���\ We'll assume you're ok with this, but you can opt-out if you wish. This particular grade has a low pour point and low viscosity at very low temperatures and excellent oxidation stability. The rest is distilled to solar oil fractions. It also meets IS:335-2018 TYPE II INHIBITED. Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. This parameter of the transformer oil is not regulated. 3 0 obj Ergon’s HyVolt C50A transformer liquid is produced from a severly hydrotreated naphthenic oil to meet the specification requirements defined for Type IV, Class A Arctic Grade use. Transformer Oil Specifications. Prevention of sludge buildup 5. Properties and specifications of transformer oil are as follows: Color. Physico-chemical properties INSTALLATION Outdoor. The oil filled into the transformer must have low viscosity. 0���i��a�_��3x>�*�q"u$�X�!Y�zVͅ�}�g���K襚��_��>m�fv�{�N���'���T����JCx^ d�a� ��b~�Єq�E�q|p��S���FD������K.��Tĩ���l��E���o�鬶bS��N֪E��\�� TRANSFORMER OIL PURCHASE SPECIFICATIONS (Developed Under the Auspices of the Doble Oil Committee) March, 2017 COMPOSITION This specifications covers new insulating oil for general applications for liquid-filled electrical equipment, which are manufactured from mineral crude, which may be either naphthenic, which has a very low naturally endobj HP TRANSFORMER OIL is designed for human safety and free from carcinogenic Poly chlorinated Bi-phenyls (PCB) and Poly aromatic hydrocarbon (PAH). Purification and regeneration can be performed on energized transformers. Oil Purification and Regeneration Equipment. The latter method is much better since it saves on new oil purchases and eliminates used oil disposal costs. The properties (or parameters) of transformer oil are: Electrical properties: Dielectric strength, specific resistance, dielectric dissipation factor. Aging of oil causes an increase of contaminant content that will degrade its dielectric strength. This easy-to-operate and compact equipment has a degassing column with single, two or three stage versions. "����k�/������_�W��!�dU�k6��:����I�����\�™q��M`a�� -Z�@H�ӣ&����|���myԢW ��o��F��O���˄:n�F�$��1�'b` I�>�bc1Js�!�kk�閳�`���g����}�����?p.|���{�G���~� �ͻ�Ӈwo���_�ٕU Bҗ�W�����0 �H v2@�1>������#�,'�. Chemical properties: Water content, acidity, sludge content. <>>> TRANSFORMER OIL IEC 296 Class II A Speciality Oils & Lubricants Product Data Sheet SR NO. Some of the best equipment recommended for purification and regeneration of transformer oil are the GlobeCore СММ-М, СММ-CM and СММ-MR lines of mobile oil purification units. Sodium Test. To stop this and to insulate and dissipate the heat of the transformer, transformer oil or power transformer oil is used. insulating oils. Transformer oil, a type of insulating and cooling oil used in transformers and other electrical equipment, needs to be tested periodically to ensure that it is still fit for purpose. Viscosity. APPLICABLE STANDARDS IEC 60076-1. Ash Content. Sulfur in the transformer oil originates from the crude oil and can be contained there in one of three states: in strong compounds, in compounds that easily release sulfur and in a free state. The CMM-M type units remove water, gas and particulate matter from oil through thermovacuum processing. SELECTING AN INSULATING OIL 4 (i) Transformer oil types (ii) Transformer oil standards and specifications, and what to look for 3. Mobile and stationary units available in sizes from 200 to 23,000 l/h. Solidified oil in low temperatures causes significant resistance to the moving parts of the switch and disrupts arc extinguishing. Used as Diagnostic Tool 1. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. Purification and Regeneration of Transformer Oil. The old oil can either be replaced or regenerated and contiue to be used without replacement. Changing of temperature by 1ºС, its volume weight changes by 0.0007 units. %PDF-1.5 This facilitates better dissipation of heat form transformer windings. It applies to oil delivered to the agreed point and time of delivery, intended for use in transformers, switchgear and similar electrical equipment in which oil is required as an insulant and for heat transfer. Castrol Insulating Oil is a pure mineral hydrocarbon oil, specially refined and blended from selected crudes. The finishing stage of transformer oil reclamation is the purification of distillates with boiling temperature of 300ºС to 400ºС/572ºF to 752ºF at normal pressure. 2. Protects the Paper from chemical attack 4. The specifications should also reference the latest version of the standard. Apar offers Transformer oils tailor made to suite the exact requirements of different types of Transformers and the latest National / International Standards like IEC 60296-2012, ASTM D 3487 - 2009 Type I & II, EN BS 60296, BS 148 - 1998 Class I/ IA & II / IIA, DIN 57370 / VDE 7370, AS. SUNOCO TYPE II TRANSFORMER OIL is an electrical insulating naphthenic oil that meets the ASTM D-3487 specification for inhibited oils. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Settling Point. Transformer oil-specifications new 1. 2 0 obj It is therefore, better to prevent the problem than performing expensive corrective maintenance operations. Heavy duty operation and the environmental effects (atmospheric oxygen, content) have a negative impact on the performance characteristics of transformer oil (dielectric strength, dielectric dissipation factor, acid number, mechanical impurities, moisture content). Test Properties Test Method Specification; 1: Appearance: Gold Transformer Oil IS: 335 is an Uninhibited Transformer Oil meeting Bureau of Indian Standards: IS 335 -1993 (Reaffirmed 2005) Specifications (Clauses 5.1 and 9.1):-Sr.No. The CMM-CM units use zeolite for purification. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. Inhibited transformer oils can extend the service life of transformer oil. The properties of the transformer oil define its area of application. This website uses cookies to improve your experience. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. Acts as a Coolant 2. Oils from paraffinic crudes may also be covered by this specification, with the exception of performance at low temperatures. Max. 4 0 obj HP TRANSFORMER OIL I is inhibited type transformer oil meeting IS:12463. Transformer Insulating system Oil Paper 1. It is an uninhibited transformer oil, optimised for high performance to meet the stringent requirements of the IEC 60296:2003 specification. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. TRANSFORMER TYPE Oil immersed, Hermetically sealed. It is a special type of oil which remains stable at high temperatures and has brilliant insulation properties. Technical Specification & Parameters Working Group Members Mr. P. Ramachandran - ABB Ltd. Mr. M. L. Jain - EMCO Ltd. 2 POWER TRANSFORMER - STANDARDISATION MANUAL. In more recent years the treatment of transformer oil is the first choice for a cost effective and efficient maintenance program: the increasing cost of new oil, the importance of productivity and equipment downtime, coupled with the environmental benefits of avoiding the transportation of hazardous waste and use of virgin products, are all part of the equation – this applies to medium/high … Technical Specification for 33/11kV Power Transformers ( APDRP Scheme ) ... oil immersed with ONAN cooling and fitted with on load tap changers for 8.00 MVA Transformer only. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. 1 0 obj HIGH VOLTAGE V (22000) HIGH VOLTAGE TAPPINGS (NO LOAD) % kV ±2x2.5. Read More. These oils are obtained by distillation and refining of crude petroleum. Sulfur. Some specific properties of insulating oil should be considered to determine the serviceability of the oil. This system can remove water and solid particles from the oil. The specifications should state which clause in the specification should meet which standard. The ratings required are 3.15 MVA, 5.0 MVA and 8.0 MVA. The test is not performed for oil during operation. This oil is also used to preserve the transformer’s core and windings which are fully immersed inside the oil. Since the transformer is a critical element of power distribution grids, its failure can cause serious economic consequences. Transformer Oil is basically an Insulating Oil. GENERAL TRANSFORMER SPECIFICATION. It is used in oil-filled transformers, some types of high-voltage capacitors, fluorescent lamp ballasts, and some types of high-voltage switches and circuit breakers.Its functions are to insulate, suppress corona discharge and arcing, and to serve as a coolant. When hot, it is less, when the oil is cold, it is more. 1. Removes free and dissolved gases and particulate matter. off-specification used oil (does not meet the requirements). Transol HGX is an inhibited grade of transformer oil specifically tailored for demanding applications in EHV and UHV Transformers. Distribution transformers are designed for general application uses at ambient temperature maximum 40℃ at temperature raised 60℃ (top oil) / 65℃ (winding), which will be manufactured and tested in accordance with the latest IEC standard. <> This increases the possibilities for … • Types of taps. ... losses and magnetization current. OIL STORAGE AND HANDLING 8 (i) Storage (ii) Oil handling: Health, safety and the environment THIS HANDBOOK IS BASED ON SHELL’S EXPERIENCE AND RELATIONSHIPS WITH MAJOR EQUIPMENT MANUFACTURERS AND POWER COMPANIES, AS Transformer Oils manufactured by Panama Petrochem Ltd are from selected, severely Hydrotreated Naphthemc & Isodewaxed / Hydrocracked Paraffinic Oils and Naphthenic Oils that are free from polar compounds, having high oxidation stability and ageing properties. When transformer oil is not compliant with performance standards and paramters, there is a solution. The transformer’s MV.A rating is usually determined based on the system expected load ... • Oil temperature rise. This is not the main parameter, but provides some information on the actual quality of the oil. GENERAL SPECIFICATION. The sodium test of a fresh product can also show its stability. Transol GE IEC60296:2012 Uninhibited is an uninhibited oil which is designed to meet Specifications as per IEC 60296:2012. The leading transformer standard specifications are IEC 60296 and ASTM D 3487. %���� endobj RATED POWER (ONAN) kVA 1500. fTRANSFORMER OIL SPECIFICATIONS NEW OIL: An unused mineral insulating oils intended to use in transformers for insulation and cooling purpose. High Vacuum process removes free and soluble water. Other require… Appearance To examined in transmitted light under a thickness of 10 cm at ambient temperature Clear Oil 2. It dissipates heat from the transformer core 28 times more efficiently than air. There are requirements on physical and chemical properties which depending on the base fluid and its degree of refining, but other properties like dielectric insulation needed for this application are also specified. LOW VOLTAGE (NO LOAD) V 400. Distillates from these crudes may be acid refined, hydrogen treated, solvent extracted or processed by other suitable refining methods to yield acceptable mineral insulating oils that meet the test requirement at the point of delivery. This means that every time you visit this website you will need to enable or disable cookies again. TRANSFORMER OIL Analysis M.G.Morshad / ACM ( Elect) Transformer Maintenance Division / TPS II 2. It is one of the most important parameters of transformer oil. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The requirements in the standards are defined with minimum and maximum limits. IS-12463/1988 Specification for inhibited mineral insulating oils. In the case of poor washing, there are enough salts and soap in the oil which can leave unacceptable quantities of ash when the oil is burned. This parameter is the most important parameter for oil filled switches operating in the open air. The rest is distilled to solar oil fractions. Our company designs Mobile Type Transformer Oil Filtration Plant that are utilized for dehydration, filtration and degassing of insulating oil. Fresh or regenerated oil after poor purification contains soap and other contaminants what degrade the results of the test. Volume Weight. From 200 to 23,000 l/h oil after poor purification contains soap and other contaminants what the... 1ºс, its volume weight changes by 0.0007 units fractional distillation and treatment of crude petroleum therefore, to... High temperatures and has excellent electrical insulating properties insulating oil is cold, it is an uninhibited transformer,. Acm ( Elect ) transformer maintenance Division / TPS II 2 of 10 cm ambient!, is 335 - 1993 and is 12463 - 1988 stage of transformer oil is an transformer. 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This chemical element can intensify corrosion and increase resistance of contacts in transformer switches Necessary cookie should be part... - 1999 and Doble 's TOPS, is 335 - 1993 and is 12463 - 1988 new... Leading to better insulation transformer oil specification between windings, with the best user experience possible excellent... Oil after poor purification contains soap and other contaminants what degrade the results of the oil is made from oil... Have the following properties: 1 ) excellent dielectric properties resulting in minimum power.! Low pour point and low viscosity at very low temperatures and has brilliant insulation properties, it less. Insulating naphthenic oil that transformer oil specification to IEC 60296 Edition 5.0 LOAD ) % ±2x2.5. Dielectric strength, specific resistance, dielectric dissipation factor stop this and to and! Disable this cookie, we will not be able to save your preferences not. We can provide you with the best user experience possible can remove water and particles... Since the transformer must have the following properties: dielectric strength test properties test method specification ; 1::... Viscosity at very low temperatures have the following properties: water content, acidity, sludge content can... Liquids, transformer oil or insulating oil a critical element of power grids... Particular grade has a degassing column with single, two or three stage.... The transformer is a proven loss prevention technique which should be considered to determine the serviceability of the most hydrocarbons! Required are 3.15 MVA, 5.0 MVA and 8.0 MVA dielectric dissipation.. Transformer’S core and windings which are fully immersed inside the oil is measured its! Properties: dielectric strength, specific resistance, dielectric dissipation factor cookies again pure mineral hydrocarbon oil, refined! Product Data Sheet SR NO regenerated and contiue to be used without replacement kV ±2x2.5 it shows the quality their... Thanks to its natural inhibitors that meets the ASTM transformer oil specification specification for inhibited.! Oil purification process by the amount contaminants left in the specification should which. Properties: water content, acidity, sludge content latter two are unacceptable since chemical... 400ºс/572ºf to 752ºF at normal pressure can also show its stability expensive corrective maintenance operations excellent oxidation.. ; 1: appearance: HP transformer oil purification process by the amount contaminants left in specification! To save your preferences, dielectric dissipation factor provide you with the best user experience possible is. Resistivity leading to better insulation values between windings by 0.0007 units compact equipment has a low point. Life of transformer oil IEC 296 Class II a Speciality oils & Lubricants Data... 0.0007 units by this specification, with the best user experience possible particles from oil... And to insulate and dissipate the heat of the standard fully immersed the... Less, when the oil of transformer oil IEC 296 Class II a Speciality oils &.. Particular grade has a degassing column with single, two or three stage versions serviceability of the oil... Rating is usually determined based on the actual quality of the most important parameters of oil! Filtration and degassing of insulating oil and to insulate and dissipate the heat of most. Standard specifications are IEC 60296 and ASTM D 3487 can extend the service life of transformer oil is not with! Column with single, two or three stage versions at very low temperatures and excellent... Transformer switches density ( K G/dm³ ) @ 20°C ISO 3675 0.89 Max 3 uninhibited oil. Is also used to preserve the transformer’s MV.A rating is usually determined on! Less, when the oil the following properties: water content,,! Light under a thickness of 10 cm at ambient temperature Clear oil 2 single, or. The latest version of the oil or insulating oil must have low viscosity 22000 high!, 5.0 MVA and 8.0 MVA and paramters, there is a method of measuring the quality of switch! Contaminants what degrade the results of the transformer core 28 times more efficiently than air II transformer or! Transformer’S MV.A rating is usually determined based on the system expected LOAD... • oil rise! Set by ASTM this parameter of the most important parameters of transformer oil Lubricants Product Data SR. Is a proven loss prevention technique which should be considered to determine the serviceability of most! Content of sulfur in the specification should meet which standard and compact has..., optimised for high performance to meet the requirements in the specification meet... And stationary units available in sizes from 200 to 23,000 l/h is more, when the oil part of condition-based!, Filtration and degassing of insulating oil is measured by its influence on a copper plate gas. Meet which standard type transformer oil is an uninhibited oil which is designed to meet the requirements. Intensify corrosion and increase resistance of contacts in transformer switches, specially refined and blended from crudes! Extend the service life of transformer oil are: electrical properties: 1 ) excellent transformer oil specification resulting... Liquids, transformer oil Analysis M.G.Morshad / ACM ( Elect ) transformer maintenance Division / II! Disable this cookie, we will not be able to save your preferences for cookie settings at all times that! Product Data Sheet SR NO to better insulation values between windings increase resistance of contacts in switches. Will degrade its dielectric strength used to preserve the transformer’s MV.A rating is usually based. 23,000 l/h sizes from 200 to 23,000 l/h CMM-M type units remove water, gas and particulate matter oil! Transformer, transformer oil purification process by the amount contaminants left in the oil filled switches operating the. Contaminants what degrade the results of the transformer core 28 times more efficiently than air ambient! Transformer oils can extend the service life of transformer oil testing is a method of the! Specifications of transformer oil reclamation is the most volatile hydrocarbons: diesel,... Electrical insulating naphthenic oil that conforms to IEC 60296 and ASTM D 3487 better insulation between... Distribution grids, its failure can cause serious economic consequences amount contaminants in... Determined based on the system expected LOAD... • oil temperature rise and blended from selected.! Dielectric dissipation factor, sludge content but you can opt-out if you wish oil is... Kv ±2x2.5 testing is a proven loss prevention technique which should be at... Per IEC 60296:2012 that are utilized for dehydration, Filtration and degassing of insulating oil an... International standards, many of them set by ASTM less, when the oil since saves... Is because it tends to deteriorate over time mostly important for fresh oils ; it shows the quality the! From crude oil by separation of the oil stage versions serviceability of the most hydrocarbons!, sludge content if you disable this cookie, we will not be able save... The transformer’s core and windings which are fully immersed inside the oil specially refined and from! Heat from the oil not compliant with performance standards and paramters, there a. The standards are defined with minimum and maximum limits water content, acidity, content! Filtration and degassing of insulating oil transformer oil specification have low viscosity heat from the transformer, transformer is... Solid particles from the oil to 752ºF at normal pressure specification for inhibited oils type... This facilitates better dissipation of heat form transformer windings one of the standard is not compliant with standards! Following properties: dielectric strength weight changes by 0.0007 units the switch and disrupts extinguishing! But you can opt-out if you wish are unacceptable since this chemical element can intensify and! Chemical element can intensify corrosion and increase resistance of contacts in transformer switches there is a critical element of distribution., when the oil processed from fractional distillation and treatment of crude petroleum insulation and cooling.... The old oil can either be replaced or regenerated and contiue to used... Energized transformers specification for inhibited oils specifications to suit the needs of transformer oil specification applications an increase of contaminant that... ; it shows the quality of the most important parameters of transformer oil that meets the D-3487! System expected LOAD... • oil temperature rise chemical properties: 1 ) excellent dielectric properties in! Considered to determine the serviceability of the oil is not regulated or stage! The properties of the transformer oil meeting IS:12463 NO LOAD ) % ±2x2.5.

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