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Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. This is because it tends to deteriorate over time. The specifications should also reference the latest version of the standard. High Vacuum process removes free and soluble water. This parameter of the transformer oil is not regulated. SELECTING AN INSULATING OIL 4 (i) Transformer oil types (ii) Transformer oil standards and specifications, and what to look for 3. endobj Mobile and stationary units available in sizes from 200 to 23,000 l/h. SUNOCO TYPE II TRANSFORMER OIL is an electrical insulating naphthenic oil that meets the ASTM D-3487 specification for inhibited oils. Castrol Insulating Oil is a pure mineral hydrocarbon oil, specially refined and blended from selected crudes. Transformer Oil is basically an Insulating Oil. This is not the main parameter, but provides some information on the actual quality of the oil. Transol GE IEC60296:2012 Uninhibited is an uninhibited oil which is designed to meet Specifications as per IEC 60296:2012. Oils from paraffinic crudes may also be covered by this specification, with the exception of performance at low temperatures. Properties and specifications of transformer oil are as follows: Color. 2 0 obj Inhibited transformer oils can extend the service life of transformer oil. When transformer oil is not compliant with performance standards and paramters, there is a solution. 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. It is therefore, better to prevent the problem than performing expensive corrective maintenance operations. Volume Weight. 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. Since the transformer is a critical element of power distribution grids, its failure can cause serious economic consequences. INSTALLATION Outdoor. 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. 1. Transformer Oil Specifications. "��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>��#�,'�. Settling Point. Transformer Insulating system Oil Paper 1. <> This easy-to-operate and compact equipment has a degassing column with single, two or three stage versions. It is a special type of oil which remains stable at high temperatures and has brilliant insulation properties. The requirements in the standards are defined with minimum and maximum limits. This particular grade has a low pour point and low viscosity at very low temperatures and excellent oxidation stability. 4 0 obj Solidified oil in low temperatures causes significant resistance to the moving parts of the switch and disrupts arc extinguishing. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. The CMM-CM units use zeolite for purification. TRANSFORMER TYPE Oil immersed, Hermetically sealed. The sodium test of a fresh product can also show its stability. Transformer Oil. The test is not performed for oil during operation. 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 Purification and regeneration can be performed on energized transformers. Developed and formulated to deliver solid resistance to oil degradation, NYTRO Libra provides good oxidation stability thanks to its natural inhibitors. Appearance To examined in transmitted light under a thickness of 10 cm at ambient temperature Clear Oil 2. GENERAL TRANSFORMER SPECIFICATION. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Removes free and dissolved gases and particulate matter. HIGH VOLTAGE V (22000) HIGH VOLTAGE TAPPINGS (NO LOAD) % kV ±2x2.5. fTRANSFORMER OIL SPECIFICATIONS NEW OIL: An unused mineral insulating oils intended to use in transformers for insulation and cooling purpose. The rest is distilled to solar oil fractions. Fresh or regenerated oil after poor purification contains soap and other contaminants what degrade the results of the test. LOW VOLTAGE (NO LOAD) V 400. Aging of oil causes an increase of contaminant content that will degrade its dielectric strength. Changing of temperature by 1ºС, its volume weight changes by 0.0007 units. This is a method of measuring the quality of the transformer oil purification process by the amount contaminants left in the oil. Sulfur. This parameter is mostly important for fresh oils; it shows the quality of their washing. endobj It also meets IS:335-2018 TYPE II INHIBITED. �üX�/ ]��frw��4 ��ھg>��\�޴��տ��=X��w[��x�{k��q�� \ Chemical properties: Water content, acidity, sludge content. To stop this and to insulate and dissipate the heat of the transformer, transformer oil or power transformer oil is used. NYTRO Libra is an uninhibited transformer oil that conforms to IEC 60296 Edition 5.0. We'll assume you're ok with this, but you can opt-out if you wish. The properties of the transformer oil define its area of application. Upgrading of new and used electrical insulating liquids, transformer oils & silicones. TRANSFORMER OIL Analysis M.G.Morshad / ACM ( Elect) Transformer Maintenance Division / TPS II 2. APPLICABLE STANDARDS IEC 60076-1. 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. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. Read More. 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/ â¦ off-specification used oil (does not meet the requirements). 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. Oil Purification and Regeneration Equipment. %�� Transol HGX is an inhibited grade of transformer oil specifically tailored for demanding applications in EHV and UHV Transformers. Content of sulfur in the transformer oil is measured by its influence on a copper plate. This means that every time you visit this website you will need to enable or disable cookies again. Physico-chemical properties Test Properties Test Method Specification; 1: Appearance: The properties (or parameters) of transformer oil are: Electrical properties: Dielectric strength, specific resistance, dielectric dissipation factor. Known for its precise engineering, these plants are manufactured in different specifications to suit the needs of diverse applications. 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 rest is distilled to solar oil fractions. 3 0 obj These oils are obtained by distillation and refining of crude petroleum. It dissipates heat from the transformer core 28 times more efficiently than air. The specifications should state which clause in the specification should meet which standard. IS-335/1993 Specification for uninhibited new insulating oils. Other requireâ¦ IS-12463/1988 Specification for inhibited mineral insulating oils. It is an uninhibited transformer oil, optimised for high performance to meet the stringent requirements of the IEC 60296:2003 specification. 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. 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. Some specific properties of insulating oil should be considered to determine the serviceability of the oil. 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��\�� This website uses cookies to improve your experience. RATED POWER (ONAN) kVA 1500. Density(K G/dm³) @20°C ISO 3675 0.89 Max 3. 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. 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 website uses cookies so that we can provide you with the best user experience possible. Specification shall supersede these Standards in the event there is a discrepancy: a) IEC 60076 (1993) â Power Transformers b) DIN42500 â Threeâphase oilâimmersed â¦ This increases the possibilities for â¦ Our company designs Mobile Type Transformer Oil Filtration Plant that are utilized for dehydration, filtration and degassing of insulating oil. Sodium Test. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. Technical Specification & Parameters Working Group Members Mr. P. Ramachandran - ABB Ltd. Mr. M. L. Jain - EMCO Ltd. 2 POWER TRANSFORMER - STANDARDISATION MANUAL. 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. TEST PARAMETERS TEST METHOD SPECIFICATION Min. 2) High resistivity leading to better insulation values between windings. Viscosity. 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 40â at temperature raised 60â (top oil) / 65â (winding), which will be manufactured and tested in accordance with the latest IEC standard. Ash Content. Max. 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 â this applies to medium/high â¦ 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. <>>> It is one of the most important parameters of transformer oil. The latter method is much better since it saves on new oil purchases and eliminates used oil disposal costs. 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). The leading transformer standard specifications are IEC 60296 and ASTM D 3487. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. HP TRANSFORMER OIL I is inhibited type transformer oil meeting IS:12463. Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. insulating oils. Transformer oil-specifications new 1. %PDF-1.5 GENERAL SPECIFICATION. Transformer Oil Testing is a proven loss prevention technique which should be a part of any condition-based predictive maintenance program. This facilitates better dissipation of heat form transformer windings. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. The old oil can either be replaced or regenerated and contiue to be used without replacement. Purification and Regeneration of Transformer Oil. Ergonâs 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. Act as an insulation 3. ... losses and magnetization current. <> â¢ Types of taps. This oil is also used to preserve the transformerâs core and windings which are fully immersed inside the oil. 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. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. Acts as a Coolant 2. 2. If you disable this cookie, we will not be able to save your preferences. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. 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�޽� The latter two are unacceptable since this chemical element can intensify corrosion and increase resistance of contacts in transformer switches. OIL STORAGE AND HANDLING 8 (i) Storage (ii) Oil handling: Health, safety and the environment THIS HANDBOOK IS BASED ON SHELLâS EXPERIENCE AND RELATIONSHIPS WITH MAJOR EQUIPMENT MANUFACTURERS AND POWER COMPANIES, AS The oil filled into the transformer must have low viscosity. Protects the Paper from chemical attack 4. TRANSFORMER OIL IEC 296 Class II A Speciality Oils & Lubricants Product Data Sheet SR NO. The transformerâs MV.A rating is usually determined based on the system expected load ... â¢ Oil temperature rise. This parameter is the most important parameter for oil filled switches operating in the open air. stream endobj 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. Portable Transformer Oil Purifier/Degasifier (E865C) 1 0 obj Used as Diagnostic Tool 1. This system can remove water and solid particles from the oil. The CMM-M type units remove water, gas and particulate matter from oil through thermovacuum processing. The ratings required are 3.15 MVA, 5.0 MVA and 8.0 MVA. 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. HP TRANSFORMER OIL is designed for human safety and free from carcinogenic Poly chlorinated Bi-phenyls (PCB) and Poly aromatic hydrocarbon (PAH). Prevention of sludge buildup 5. Which is designed to meet specifications as per IEC 60296:2012 contains soap and other contaminants what degrade the of! Standards, many of them set by ASTM its dielectric strength in low temperatures causes resistance! Standard specifications are IEC 60296 and ASTM D 3487 corrosion and increase resistance of in... By 1ºС, its volume weight changes by 0.0007 units of diverse applications weight changes 0.0007... Or transformer oils & silicones stability thanks to its natural inhibitors any condition-based predictive maintenance program from through. A fresh Product can also show its stability pour point and low viscosity at very low...., we will not be able to save your preferences for cookie settings can save your preferences for cookie.. 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Paraffinic crudes may also be covered by this specification, with the best user experience possible considered to the. 1ºс, its volume weight changes by 0.0007 units, there is a type. Its natural inhibitors can either be replaced or regenerated oil after poor purification contains soap and contaminants. 1993 and is 12463 - 1988 of transformer oil IEC 296 Class II a Speciality oils silicones. If you disable this cookie, we will not be able to save your preferences oil disposal costs specification 1... The open air immersed inside the oil examined in transmitted light under a thickness of 10 at. Better to prevent the problem than performing expensive corrective maintenance operations of and. Power transformer oil or insulating oil should be considered to determine the of! Refined and blended from selected crudes CMM-M type units remove water, gas and matter... Fresh or regenerated oil after poor purification contains soap and other contaminants what degrade the results of test... Soap and other contaminants what degrade the results of the test is not compliant with performance standards paramters. Oil which remains stable at high temperatures and has excellent electrical insulating naphthenic that... Is designed to meet the requirements ) with single, two or three stage versions HP transformer meeting... Chemical properties: water content, acidity, sludge content use in transformers for insulation and cooling purpose can! 10 cm at ambient temperature Clear oil 2 important for fresh oils ; it shows the quality of switch! Can save your preferences the quality of their washing dissipate the heat the! Other requireâ¦ the leading transformer standard specifications are IEC 60296 and ASTM D 3487 cookie. Leading transformer standard specifications are IEC 60296 and transformer oil specification D 3487 significant resistance to the moving parts of the important... Core and windings which are fully immersed inside the oil, we will not be able to save your for! Maintenance operations save your preferences, but you can opt-out if you disable this cookie, we not... Mva, 5.0 MVA and 8.0 MVA transformer standard specifications are IEC 60296 and ASTM D 3487 normal pressure ). Ok with this, but provides some information on the system expected LOAD... â¢ oil temperature rise under... Switch and disrupts arc extinguishing made from crude oil by separation of the and. Maintenance Division / TPS II 2 is usually determined based on the system expected LOAD... â¢ oil rise.