This is not the main parameter, but provides some information on the actual quality of the oil. INSTALLATION Outdoor. Properties and specifications of transformer oil are as follows: Color. Content of sulfur in the transformer oil is measured by its influence on a copper plate. Chemical properties: Water content, acidity, sludge content. 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. Transol GE IEC60296:2012 Uninhibited is an uninhibited oil which is designed to meet Specifications as per IEC 60296:2012. Sulfur. The test is not performed for oil during operation. NYTRO Libra is an uninhibited transformer oil that conforms to IEC 60296 Edition 5.0. Used as Diagnostic Tool 1. 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. Aging of oil causes an increase of contaminant content that will degrade its dielectric strength. Portable Transformer Oil Purifier/Degasifier (E865C) RATED POWER (ONAN) kVA 1500. 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. It dissipates heat from the transformer core 28 times more efficiently than air. 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. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. We'll assume you're ok with this, but you can opt-out if you wish. Test Properties Test Method Specification; 1: Appearance: Transformer oil-specifications new 1. The ratings required are 3.15 MVA, 5.0 MVA and 8.0 MVA. The transformer’s MV.A rating is usually determined based on the system expected load ... • Oil temperature rise. Volume Weight. This increases the possibilities for … Transformer Oil Testing is a proven loss prevention technique which should be a part of any condition-based predictive maintenance program. The sodium test of a fresh product can also show its stability. 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/ … 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. <> Sodium Test. The CMM-CM units use zeolite for purification. 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. 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 3 0 obj 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). It is one of the most important parameters of transformer oil. Some specific properties of insulating oil should be considered to determine the serviceability of the oil. ... losses and magnetization current. The leading transformer standard specifications are IEC 60296 and ASTM D 3487. 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. Removes free and dissolved gases and particulate matter. Dielectric transformer oil is made from crude oil by separation of the most volatile hydrocarbons: diesel fuel, gasoline and kerosene. TEST PARAMETERS TEST METHOD SPECIFICATION Min. The oil filled into the transformer must have low viscosity. Transformer Oil is basically an Insulating Oil. It is a special type of oil which remains stable at high temperatures and has brilliant insulation properties. Changing of temperature by 1ºС, its volume weight changes by 0.0007 units. Prevention of sludge buildup 5. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. 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. This particular grade has a low pour point and low viscosity at very low temperatures and excellent oxidation stability. This website uses cookies to improve your experience. Appearance To examined in transmitted light under a thickness of 10 cm at ambient temperature Clear Oil 2. 4 0 obj The specifications should also reference the latest version of the standard. Act as an insulation 3. 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. Mobile and stationary units available in sizes from 200 to 23,000 l/h. Technical Specification & Parameters Working Group Members Mr. P. Ramachandran - ABB Ltd. Mr. M. L. Jain - EMCO Ltd. 2 POWER TRANSFORMER - STANDARDISATION MANUAL. SELECTING AN INSULATING OIL 4 (i) Transformer oil types (ii) Transformer oil standards and specifications, and what to look for 3. Max. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. The latter two are unacceptable since this chemical element can intensify corrosion and increase resistance of contacts in transformer switches. The old oil can either be replaced or regenerated and contiue to be used without replacement. The properties (or parameters) of transformer oil are: Electrical properties: Dielectric strength, specific resistance, dielectric dissipation factor. APPLICABLE STANDARDS IEC 60076-1. Transformer Oil Specifications. The requirements in the standards are defined with minimum and maximum limits. 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. The rest is distilled to solar oil fractions. This system can remove water and solid particles from the oil. 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. Read More. HP TRANSFORMER OIL is designed for human safety and free from carcinogenic Poly chlorinated Bi-phenyls (PCB) and Poly aromatic hydrocarbon (PAH). High Vacuum process removes free and soluble water. GENERAL TRANSFORMER SPECIFICATION. When hot, it is less, when the oil is cold, it is more. Inhibited transformer oils can extend the service life of transformer oil. HIGH VOLTAGE V (22000) HIGH VOLTAGE TAPPINGS (NO LOAD) % kV ±2x2.5. If you disable this cookie, we will not be able to save your preferences. Transformer Oil. Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. 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. Specification shall supersede these Standards in the event there is a discrepancy: a) IEC 60076 (1993) ‐ Power Transformers b) DIN42500 ‐ Three‐phase oil‐immersed … This facilitates better dissipation of heat form transformer windings. This oil is also used to preserve the transformer’s core and windings which are fully immersed inside the oil. IS-335/1993 Specification for uninhibited new insulating oils. "����k�/������_�W��!�dU�k6��:����I�����\�™q��M`a�� -Z�@H�ӣ&����|���myԢW ��o��F��O���˄:n�F�$��1�'b` I�>�bc1Js�!�kk�閳�`���g����}�����?p.|���{�G���~� �ͻ�Ӈwo���_�ٕU Bҗ�W�����0 �H v2@�1>������#�,'�. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. %���� The properties of the transformer oil define its area of application. Known for its precise engineering, these plants are manufactured in different specifications to suit the needs of diverse applications. Purification and Regeneration of Transformer Oil. 2. The latter method is much better since it saves on new oil purchases and eliminates used oil disposal costs. It also meets IS:335-2018 TYPE II INHIBITED. endobj 0���i��a�_��3x>�*�q"u$�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��\�� SUNOCO TYPE II TRANSFORMER OIL is an electrical insulating naphthenic oil that meets the ASTM D-3487 specification for inhibited oils. Transol HGX is an inhibited grade of transformer oil specifically tailored for demanding applications in EHV and UHV Transformers. endobj The CMM-M type units remove water, gas and particulate matter from oil through thermovacuum processing. This is because it tends to deteriorate over time. <>>> 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�޽� 2 0 obj 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. This parameter of the transformer oil is not regulated. This parameter is mostly important for fresh oils; it shows the quality of their washing. Acts as a Coolant 2. Protects the Paper from chemical attack 4. 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. Settling Point. This parameter is the most important parameter for oil filled switches operating in the open air. 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 … 2) High resistivity leading to better insulation values between windings. insulating oils. The specifications should state which clause in the specification should meet which standard. off-specification used oil (does not meet the requirements). stream Density(K G/dm³) @20°C ISO 3675 0.89 Max 3. To stop this and to insulate and dissipate the heat of the transformer, transformer oil or power transformer oil is used. Viscosity. 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. TRANSFORMER OIL Analysis M.G.Morshad / ACM ( Elect) Transformer Maintenance Division / TPS II 2. This is a method of measuring the quality of the transformer oil purification process by the amount contaminants left in the oil. 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. GENERAL SPECIFICATION. <> It is an uninhibited transformer oil, optimised for high performance to meet the stringent requirements of the IEC 60296:2003 specification. TRANSFORMER OIL IEC 296 Class II A Speciality Oils & Lubricants Product Data Sheet SR NO. fTRANSFORMER OIL SPECIFICATIONS NEW OIL: An unused mineral insulating oils intended to use in transformers for insulation and cooling purpose. 1. Other require… • Types of taps. Oil Purification and Regeneration Equipment. 1 0 obj Solidified oil in low temperatures causes significant resistance to the moving parts of the switch and disrupts arc extinguishing. Since the transformer is a critical element of power distribution grids, its failure can cause serious economic consequences. Transformer Insulating system Oil Paper 1. These oils are obtained by distillation and refining of crude petroleum. 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. Castrol Insulating Oil is a pure mineral hydrocarbon oil, specially refined and blended from selected crudes. This website uses cookies so that we can provide you with the best user experience possible. 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. Our company designs Mobile Type Transformer Oil Filtration Plant that are utilized for dehydration, filtration and degassing of insulating oil. Physico-chemical properties Ash Content. �üX�/ ]��frw�����4 ���ھg>��\�޴����տ��=X��w[���������x�{k�������q�� ���\ Upgrading of new and used electrical insulating liquids, transformer oils & silicones. %PDF-1.5 LOW VOLTAGE (NO LOAD) V 400. 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. 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 HP TRANSFORMER OIL I is inhibited type transformer oil meeting IS:12463. 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. When transformer oil is not compliant with performance standards and paramters, there is a solution. IS-12463/1988 Specification for inhibited mineral insulating oils. This means that every time you visit this website you will need to enable or disable cookies again. Oils from paraffinic crudes may also be covered by this specification, with the exception of performance at low temperatures. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Purification and regeneration can be performed on energized transformers. Fresh or regenerated oil after poor purification contains soap and other contaminants what degrade the results of the test. The rest is distilled to solar oil fractions.

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