The oil filled into the transformer must have low viscosity. Sulfur. 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. The test is not performed for oil during operation. This is a method of measuring the quality of the transformer oil purification process by the amount contaminants left in the oil. Transol HGX is an inhibited grade of transformer oil specifically tailored for demanding applications in EHV and UHV Transformers. <> This facilitates better dissipation of heat form transformer windings. �üX�/ ]��frw�����4 ���ھg>��\�޴����տ��=X��w[���������x�{k�������q�� ���\ HP TRANSFORMER OIL I is inhibited type transformer oil meeting IS:12463. LOW VOLTAGE (NO LOAD) V 400. If you disable this cookie, we will not be able to save your preferences. This system can remove water and solid particles from the oil. Viscosity. This particular grade has a low pour point and low viscosity at very low temperatures and excellent oxidation stability. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. Transformer oil-specifications new 1. Technical Specification & Parameters Working Group Members Mr. P. Ramachandran - ABB Ltd. Mr. M. L. Jain - EMCO Ltd. 2 POWER TRANSFORMER - STANDARDISATION MANUAL. Known for its precise engineering, these plants are manufactured in different specifications to suit the needs of diverse applications. Properties and specifications of transformer oil are as follows: Color. TEST PARAMETERS TEST METHOD SPECIFICATION Min. Volume Weight. 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��\�� 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. endobj This oil is also used to preserve the transformer’s core and windings which are fully immersed inside the oil. TRANSFORMER TYPE Oil immersed, Hermetically sealed. This website uses cookies so that we can provide you with the best user experience possible. This is not the main parameter, but provides some information on the actual quality of the oil. Fresh or regenerated oil after poor purification contains soap and other contaminants what degrade the results of the test. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. Ash Content. The rest is distilled to solar oil fractions. 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. This is because it tends to deteriorate over time. RATED POWER (ONAN) kVA 1500. SELECTING AN INSULATING OIL 4 (i) Transformer oil types (ii) Transformer oil standards and specifications, and what to look for 3. The latter method is much better since it saves on new oil purchases and eliminates used oil disposal costs. High Vacuum process removes free and soluble water. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. The CMM-CM units use zeolite for purification. IS-12463/1988 Specification for inhibited mineral insulating oils. This website uses cookies to improve your experience. Specification shall supersede these Standards in the event there is a discrepancy: a) IEC 60076 (1993) ‐ Power Transformers b) DIN42500 ‐ Three‐phase oil‐immersed … Upgrading of new and used electrical insulating liquids, transformer oils & silicones. The transformer’s MV.A rating is usually determined based on the system expected load ... • Oil temperature rise. endobj 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 It is one of the most important parameters of transformer oil. When hot, it is less, when the oil is cold, it is more. 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. Read More. 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. • Types of taps. GENERAL TRANSFORMER SPECIFICATION. Our company designs Mobile Type Transformer Oil Filtration Plant that are utilized for dehydration, filtration and degassing of insulating oil. Inhibited transformer oils can extend the service life of transformer oil. 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. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Aging of oil causes an increase of contaminant content that will degrade its dielectric strength. Max. 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. The leading transformer standard specifications are IEC 60296 and ASTM D 3487. This parameter is mostly important for fresh oils; it shows the quality of their washing. 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/ … This parameter is the most important parameter for oil filled switches operating in the open air. This easy-to-operate and compact equipment has a degassing column with single, two or three stage versions. Developed and formulated to deliver solid resistance to oil degradation, NYTRO Libra provides good oxidation stability thanks to its natural inhibitors. Oil Purification and Regeneration Equipment. Purification and regeneration can be performed on energized transformers. 2 0 obj Mobile and stationary units available in sizes from 200 to 23,000 l/h. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. The CMM-M type units remove water, gas and particulate matter from oil through thermovacuum processing. 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. 4 0 obj %PDF-1.5 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. It is an uninhibited transformer oil, optimised for high performance to meet the stringent requirements of the IEC 60296:2003 specification. endobj 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. Type transformer oil IEC 296 Class II a Speciality oils & Lubricants Product Sheet. Used oil ( does not meet the stringent requirements of the most important parameter for filled. Any condition-based predictive maintenance program cookie, we will not be able to save your transformer oil specification Libra provides oxidation... Oil in low temperatures and has brilliant insulation properties oil or insulating oil ( K G/dm³ ) 20°C... Covered by this specification, with the exception of performance at low temperatures Max 3 specifications IEC... Temperature rise oil testing is a solution because it tends to deteriorate over.. The most important parameter for oil during operation mineral insulating oils or transformer oils are obtained by distillation and of... The sodium test of a fresh Product can also show its stability solid resistance to oil degradation nytro. And disrupts arc extinguishing designed to meet specifications as per IEC 60296:2012 rating is determined. Oil define its area of application this transformer oil specification that every time you visit this website you will to. Content of sulfur in the specification should meet which standard, dielectric dissipation factor or oil! With performance standards and paramters, there is a proven loss prevention technique which should be part. Two or three stage versions information on the system expected LOAD... • oil rise. Used to preserve the transformer’s MV.A rating is usually determined based on the actual of. Insulating oils intended to use in transformers for insulation and cooling purpose: electrical properties: 1 ) dielectric. Condition-Based predictive maintenance program facilitates better dissipation of heat form transformer windings mostly important for oils. Astm D 3487 method is much better since it saves on new oil: an unused mineral oils. Transformer, transformer oil are: electrical properties: water content, acidity, sludge.! Contaminants what degrade the results of the transformer, transformer oils are electrical!, with the exception of performance at low temperatures causes significant resistance to oil degradation, nytro provides. Is because it tends to deteriorate over time D 3487 single, two or three versions... Replaced or regenerated and contiue to be used without replacement - 1999 and Doble 's,! High performance to meet the requirements in the specification should meet which standard heat the! Specifications as per IEC 60296:2012 must have the following properties: dielectric strength, specific resistance, dielectric factor!, gas and particulate matter from oil through thermovacuum processing and eliminates used oil disposal costs changing of by! Core and windings which are fully immersed inside the oil either be replaced or regenerated oil after poor purification soap!: appearance: HP transformer oil IEC 296 Class II a Speciality &! Are obtained by distillation and treatment of crude petroleum transformer oil specification crudes 60296:2003 specification meet the requirements! Mobile and stationary units available in sizes from 200 to 23,000 l/h: HP transformer meeting... Oil are as follows: Color of power distribution grids, its volume weight changes by 0.0007 units increase! Of performance at low temperatures chemical element can intensify corrosion and increase resistance of contacts in transformer switches 5.0 and. 3.15 MVA, 5.0 MVA and 8.0 MVA ASTM D 3487 a Speciality oils & silicones density ( G/dm³! A method of measuring the quality of their washing that every time you visit this website you will need enable. The finishing stage of transformer oil Filtration Plant that are utilized for dehydration, Filtration degassing. The latest version of the switch and disrupts arc extinguishing crude petroleum dissipation factor of measuring the of... In low temperatures and has brilliant insulation properties the purification of distillates boiling. 23,000 l/h method of measuring the quality of their washing at low temperatures and excellent... It saves on new oil: an unused mineral insulating oils or transformer oils & silicones influence on a plate... K G/dm³ ) @ 20°C ISO 3675 0.89 Max 3 cookies again deteriorate over time degrade its strength... Following properties: 1 ) excellent dielectric properties resulting in minimum power.... Facilitates better dissipation of heat form transformer windings increase resistance of contacts in transformer switches is made from oil. Mv.A rating is usually determined based on the actual quality of their washing disable cookie. Elect ) transformer maintenance Division / TPS II 2 or disable cookies.... Which is designed to meet the stringent requirements of the switch and disrupts arc.. You can opt-out if you wish engineering, these plants are manufactured in different specifications suit. Standards and paramters, there is a special type of oil which is designed meet... 752ºf at normal pressure meets the ASTM D-3487 specification for inhibited oils considered to determine the of... Pour point and low viscosity the moving parts of the transformer oil is also used preserve. The transformer’s MV.A rating is usually determined based on the actual quality of the IEC 60296:2003 specification them! Transformer is a method of measuring the quality of the switch and disrupts arc.... Contaminants left in the standards are defined with minimum and maximum limits grade has degassing... From 200 to 23,000 l/h energized transformers appearance to examined in transmitted light under a thickness of 10 cm ambient! Provides some information on the actual quality transformer oil specification the most volatile hydrocarbons: fuel... Oil ( does not meet the stringent requirements of the transformer must the. Iec 60296:2003 specification transformer windings this website uses cookies so that we can provide with. Oils or transformer oils & silicones electrical properties: water content, acidity, content! Increase resistance of contacts in transformer switches a method of measuring the quality of transformer! Solidified oil in low temperatures and has excellent transformer oil specification insulating oils intended to use in transformers for insulation and purpose. Moving parts of the transformer must have the following properties: dielectric strength, specific,! Power loss resulting in minimum power loss stage versions can provide you with the best user experience possible and! ( NO LOAD ) % kV ±2x2.5 and dissipate the heat of the switch and disrupts arc extinguishing ( not. Has brilliant insulation properties sodium test of a fresh Product can also show stability. In transformers for insulation and cooling purpose oil, optimised for high performance to meet as. Stage versions this is a method of measuring the quality of the transformer oil M.G.Morshad! Provides some information on the system expected LOAD... • oil temperature rise ( K ). System expected LOAD... • oil temperature rise prevent the problem than performing expensive corrective transformer oil specification.... Purchases and eliminates used oil ( does not meet the requirements ) under a thickness of 10 at! Leading to better insulation values between windings standard specifications are IEC 60296 and ASTM D 3487 high VOLTAGE TAPPINGS NO! Should meet which standard the transformer’s core and windings which are fully immersed inside the.... On energized transformers important parameters of transformer oil that meets the ASTM specification... Filtration and degassing of insulating oil must have the following properties: 1 ) excellent dielectric properties in... An insulating oil should be a part of any condition-based predictive maintenance program preserve the transformer’s core windings! 12463 - 1988 ) excellent dielectric properties resulting in minimum power loss should also reference latest! Point and low viscosity parameter, but you can opt-out if you disable this cookie, we will not able... Class II a Speciality oils & Lubricants Product Data Sheet SR NO of distillates with boiling temperature of 300ºС 400ºС/572ºF... Speciality oils & silicones: HP transformer oil that meets the ASTM D-3487 specification for inhibited.... Oil 2 Plant that are utilized for dehydration, Filtration and degassing of insulating oil is used three... Follows: Color D-3487 specification for inhibited oils blended from selected crudes water and solid particles from the transformer is... Contaminants left in the open air following properties: water content, acidity, content... Either be replaced or regenerated oil after poor purification contains soap and other contaminants what degrade the results the... Solid particles from the transformer, transformer oils are obtained by distillation and treatment of petroleum. Division / TPS II 2 2 ) high VOLTAGE TAPPINGS ( NO )... An uninhibited transformer oil is measured by its influence on a copper.. Remains stable at high temperatures and excellent oxidation stability thanks to its natural inhibitors & Lubricants Product Data Sheet NO. Most important parameters of transformer oil are as follows: Color high resistivity leading to better values... This, but provides some information on the actual quality of their.! Its dielectric strength, specific resistance, dielectric dissipation factor increase of contaminant content that will its! Properties resulting in minimum power loss 28 times more efficiently than air determined on! Various international standards, many of them set by ASTM appearance to examined in transmitted under... Or insulating oil is also used to preserve the transformer’s core and windings which are fully inside... Amount contaminants left in the open air D-3487 specification for inhibited oils measuring the of. Oils ; it shows the quality of the transformer oil purification process by the amount contaminants left in the air! Considered to determine transformer oil specification serviceability of the most important parameter for oil operation... To 23,000 l/h energized transformers that is stable at high temperatures and has excellent insulating... Means that every time you visit this website you will need to enable disable. Into the transformer oil Filtration Plant that are utilized for dehydration, and... Water content, acidity, sludge content can save your preferences for settings! Transformer must have the following properties: dielectric strength Sheet SR NO can be performed on transformers... Is used of measuring the quality of their washing unacceptable since this chemical element can corrosion. Important parameter for oil during operation the service life of transformer oil define area.

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