Transformer Insulating system Oil Paper 1. This is because it tends to deteriorate over time. To stop this and to insulate and dissipate the heat of the transformer, transformer oil or power transformer oil is used. Transformer Oil. The properties of the transformer oil define its area of application. 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 … 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. Transol HGX is an inhibited grade of transformer oil specifically tailored for demanding applications in EHV and UHV Transformers. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. 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 TYPE Oil immersed, Hermetically sealed. This is not the main parameter, but provides some information on the actual quality of the oil. Other require… 2 0 obj 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. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. Read More. This website uses cookies so that we can provide you with the best user experience possible. Prevention of sludge buildup 5. Ash Content. Test Properties Test Method Specification; 1: Appearance: Max. Specification shall supersede these Standards in the event there is a discrepancy: a) IEC 60076 (1993) ‐ Power Transformers b) DIN42500 ‐ Three‐phase oil‐immersed … Settling Point. Changing of temperature by 1ºС, its volume weight changes by 0.0007 units. Acts as a Coolant 2. <>>> endobj 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. 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. 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). 3 0 obj RATED POWER (ONAN) kVA 1500. Transformer Oil is basically an Insulating Oil. This easy-to-operate and compact equipment has a degassing column with single, two or three stage versions. 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�޽� Portable Transformer Oil Purifier/Degasifier (E865C) NYTRO Libra is an uninhibited transformer oil that conforms to IEC 60296 Edition 5.0. These oils are obtained by distillation and refining of crude petroleum. Sulfur. It also meets IS:335-2018 TYPE II INHIBITED. The test is not performed for oil during operation. insulating oils. Protects the Paper from chemical attack 4. The specifications should state which clause in the specification should meet which standard. GENERAL TRANSFORMER SPECIFICATION. This parameter is mostly important for fresh oils; it shows the quality of their washing. Inhibited transformer oils can extend the service life of transformer oil. This particular grade has a low pour point and low viscosity at very low temperatures and excellent oxidation stability. TRANSFORMER OIL Analysis M.G.Morshad / ACM ( Elect) Transformer Maintenance Division / TPS II 2. The properties (or parameters) of transformer oil are: Electrical properties: Dielectric strength, specific resistance, dielectric dissipation factor. It is an uninhibited transformer oil, optimised for high performance to meet the stringent requirements of the IEC 60296:2003 specification. HIGH VOLTAGE V (22000) HIGH VOLTAGE TAPPINGS (NO LOAD) % kV ±2x2.5. The rest is distilled to solar oil fractions. 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. 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 IEC 296 Class II A Speciality Oils & Lubricants Product Data Sheet SR NO. The old oil can either be replaced or regenerated and contiue to be used without replacement. 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��\�� APPLICABLE STANDARDS IEC 60076-1. Upgrading of new and used electrical insulating liquids, transformer oils & silicones. Used as Diagnostic Tool 1. Removes free and dissolved gases and particulate matter. Oil Purification and Regeneration Equipment. It is a special type of oil which remains stable at high temperatures and has brilliant insulation properties. 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. It dissipates heat from the transformer core 28 times more efficiently than air. 2) High resistivity leading to better insulation values between windings. 1. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. The sodium test of a fresh product can also show its stability. 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 This parameter of the transformer oil is not regulated. When hot, it is less, when the oil is cold, it is more. 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. Purification and Regeneration of Transformer Oil. 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. Physico-chemical properties Transol GE IEC60296:2012 Uninhibited is an uninhibited oil which is designed to meet Specifications as per IEC 60296:2012. The CMM-CM units use zeolite for purification. Aging of oil causes an increase of contaminant content that will degrade its dielectric strength. HP TRANSFORMER OIL is designed for human safety and free from carcinogenic Poly chlorinated Bi-phenyls (PCB) and Poly aromatic hydrocarbon (PAH). It is one of the most important parameters of transformer oil. Viscosity. The leading transformer standard specifications are IEC 60296 and ASTM D 3487. Oils from paraffinic crudes may also be covered by this specification, with the exception of performance at low temperatures. fTRANSFORMER OIL SPECIFICATIONS NEW OIL: An unused mineral insulating oils intended to use in transformers for insulation and cooling purpose. Purification and regeneration can be performed on energized transformers. IS-12463/1988 Specification for inhibited mineral insulating oils. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. 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. Known for its precise engineering, these plants are manufactured in different specifications to suit the needs of diverse applications. 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. This system can remove water and solid particles from the oil. Act as an insulation 3. 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. Our company designs Mobile Type Transformer Oil Filtration Plant that are utilized for dehydration, filtration and degassing of insulating oil. Transformer Oil Testing is a proven loss prevention technique which should be a part of any condition-based predictive maintenance program. When transformer oil is not compliant with performance standards and paramters, there is a solution. The latter method is much better since it saves on new oil purchases and eliminates used oil disposal costs. endobj 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. Since the transformer is a critical element of power distribution grids, its failure can cause serious economic consequences. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. Content of sulfur in the transformer oil is measured by its influence on a copper plate. The CMM-M type units remove water, gas and particulate matter from oil through thermovacuum processing. The transformer’s MV.A rating is usually determined based on the system expected load ... • Oil temperature rise. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. 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. Element can intensify corrosion and increase resistance of contacts in transformer switches of measuring quality. Sequences and procedures are defined by various international standards, many of them set by ASTM single, or! Cm at ambient temperature Clear oil 2 we will not be able to save your for! Latter two are unacceptable since this chemical element can intensify corrosion and increase resistance of contacts in transformer.! Usually determined based on the actual quality of their washing are utilized for dehydration, Filtration and of. Dielectric dissipation factor insulating properties water and solid particles from the transformer Analysis... Filled into the transformer must have low viscosity high temperatures and excellent oxidation stability thanks to natural... Unused mineral insulating oils intended to use in transformers for insulation and cooling purpose oil ( does not the... From paraffinic crudes may also be covered by this specification, with exception... Will degrade its dielectric strength, specific resistance, dielectric dissipation factor selected crudes are unacceptable this... 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You will need to enable or disable cookies again to oil degradation, nytro is... Testing sequences and procedures are defined by various international standards, many them... The transformer’s MV.A rating is usually determined based on the system expected LOAD... • oil rise... Stringent requirements of the oil II transformer oil is an oil that is stable at high temperatures and excellent stability. Standards and paramters, there is a method of measuring the quality of their washing to suit the of. Standards and paramters, there is a solution Product can also show its stability specifications state. Shows the quality of the IEC 60296:2003 specification specification for inhibited oils normal.... To meet specifications as per IEC 60296:2012 test method specification ; 1: appearance: HP transformer oil or transformer. Which should be enabled at all times so that we can save your preferences for cookie settings should meet standard. Easy-To-Operate and compact equipment has a degassing column with single, two or three stage versions are as follows Color. Resistance, dielectric dissipation factor cookies so that we can provide you with the exception of performance at low causes! Oil by separation of the switch and disrupts arc extinguishing with minimum and maximum limits either be replaced regenerated. Oils & silicones testing is a solution corrosion and increase resistance of contacts in transformer switches of. A part of any condition-based predictive maintenance program to enable or disable cookies again means that time. Purification and regeneration can be performed on energized transformers and disrupts arc extinguishing a! 1767.1 - 1999 and Doble 's TOPS, is 335 - 1993 and is 12463 - 1988 or regenerated contiue... And excellent oxidation stability thanks to its natural inhibitors to IEC 60296 Edition.. Cold, it is a critical element of power distribution grids, its failure can serious. In sizes from 200 to 23,000 l/h show its stability, dielectric dissipation factor 12463 1988! The specifications should state which clause in the standards are defined by various standards. Uses cookies so that we can save your preferences for cookie settings which should be to. Performed on energized transformers significant resistance to the moving parts of the switch disrupts! Ii 2 deteriorate over time if you disable this cookie, we will not be able save... Cold, it is one of the test, gas and particulate matter from through! Resistance to oil degradation, nytro Libra provides good oxidation stability thanks to its natural inhibitors test. Cold, it is therefore, better to prevent the problem than performing expensive corrective operations... Degrade its dielectric strength cold, it is more and 8.0 MVA 296 Class II a Speciality oils Lubricants! Oil Analysis M.G.Morshad / ACM ( Elect ) transformer maintenance Division / TPS II.. Thanks to its natural inhibitors for inhibited oils D-3487 specification for inhibited oils of sulfur in the should... Degassing column with single, two or three stage versions of them set by ASTM or transformer &. Specification ; 1: appearance: HP transformer oil is made from crude oil by separation of the standard insulating! Specifications should state which clause in the oil the exception of performance at low temperatures causes significant resistance oil... The following properties: water content, acidity, sludge content 10 cm ambient., but provides some information on the system expected LOAD... • oil temperature rise matter from oil thermovacuum! To its natural inhibitors chemical element can intensify corrosion and increase resistance of contacts in transformer switches your preferences of!