transformer oil composition

The fraction of isolated aromatic hydrocarbon has higher conductivity than the Paraffinic and Naphthenic fraction. In the absence of oxidation stability, metal corrosion will minimize the life of the transformer. Density: – The density of healthy transformer oil should be 0.89 gram per cubic centimeter at the temperature of 29.5 centigrade. known as transformer oil, serves mainly two purposes: as insulation and as a coolant (i.e. Transformer oil composition, comprising at least one acid interceptor . This oil is used to protect the transformer core section and also the windings where the windings are completely submerged in the oil. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. Powerlink Oil Refinery Ltd. All rights reserved. In India, transformer oil is tested on the basis of IS 335. Naphtha is more soluble than Paraffin oil. has two main purposes. An overview of Doble TOPS. Transformer Oil Usage precautions Avoid spilling. The density of transformer oil is one of the most important aspects of its physical characteristics. 7.2. Two of these … Its functions are to insulate, suppress corona discharge and arcing, and to serve as a coolant. The invention further relates to the use of acid interceptor in transformer oils for improving stability. The water content in oil also affects the paper insulation of the core and winding of a transformer. Functions of a mineral insulating oil; Fulfilling four main functions, insulating liquids are a critical component of power equipment. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. Your email address will not be published. Neutralization Value: – The acidity of the oil is measured by its neutralization value and its maximum value is 0.03 milligram of KOH per gram of oil for new oil and it is 0.05 milligram of KOH per gram of oil for used oil. The composition of a transformer core depends on such factors as voltage, current, and frequency. The composition of transformer oils, in particular the balance between naphthenic, paraffinic, and aromatic carbon contents, can play an important role in determining the … Naphtha oil gets more oxidized than Paraffin oil. Chemical reaction and breathing action are the cause of moisture. The only differences are in their molecular structure and molecular weight. Introduction As one of the most important insulating medium, transformer oil undertakes as insulation, cooling, extinguish- ing arc and information carrier in high voltage electrical equipment, especially in the power transformer. That is the same for oil. It is a member of alkane series and a mixture of hydrocarbons. A good number of these properties are experimented upon by using the breakdown These gases are also dissolved in the oil but when there is a sufficient amount of gas formed in the oil it starts accumulated in the Buchholz relay. Your email address will not be published. IFT is the surface tension of a sample … The most popularly used transformer oil is either paraffin or naphthene or aromatic based. 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 There was no oil used in the earlier Transformers. Moisture or water content in transformer oil is highly undesirable as it affects the dielectric properties of the oil adversely. The need for better dielectrics and transformer oils for insulation is unequivocal. : rs 423-7363 supplier: electrolube. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. 1. The oil behaves as the dielectric medium as well as the coolant. But it was the necessity of using some effective insulating medium in the Transformers. On the other hand, naphthene based oil has a very low pour point. Because these oils contain polychlorinated biphenyls. Description. While it may be extremely difficult to physically see inside of a metal tank, we can still analyze the oil and paint the picture of the inside. Effects of dissolved gases are partial discharge, low energy discharge, arching, and high temperature. Transformer oil can be similar to a window of a house. The use of Paraffin oil is more in India because of its availability. Abstract: The invention relates to a transformer oil composition comprising at least one acid interceptor. Supply Ability. Insulating oils play an important role in power supply. Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. This oil is mainly used in hygiene oil, cold cream, perfumes, cosmetic substance, candle, and in medical purpose. Sci. On the other hand, the byproduct created during the oxidation of paraffin oil is semisolid. Paraffin: Paraffin is a colorless, odorless solid substance which can’t soluble in water and does not easily react with any reagent. Different electrical and thermal faults occurred in the Transformer form the gases in the oil. Flash point: 140-150°C . the oil. The effect of neutralization number corrosion of various parts of the transformer, insulation degradation, and lower strength of electric. Emphasis is placed on describing how differences in crude oil source and refining process can impact the final chemical composition of the oil, and therefore its performance in a transformer. It is used in waterproofing paper, candle, and for coating and seal. Appearance: – The color of the oil must be clear and transparent. Dielectric Dissipation Factor or Tan Delta Value: – That should be within 0.02% at 90-degree centigrade for new oil. The technique used to analyze the gases dissolved in oil by gas chromatography is known as Dissolved Gas Analysis (DGA). After that, the DGA detects 90% of the internal transformer faults before any major problem occurs in the transformer. J. Mol. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. The use of Naphtha oil is less than Paraffin oil because it is not easily available in our country. The negative particles are affected by the solid particles of the transformer, which dissolve in the oil. Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. Resistivity: – The minimum resistivity of new transformer oil should be 35×1012 ohm-cm 90-degree centigrade and the same should be 1500×1012 ohm-cm at 27-degree centigrade. Interfacial Tension: – That should be 0.04 Newton per meter at 27-degree centigrade. United States Patent Application 20120043505 . That should be within 2% at 90-degree centigrade for used oil. There are some essential tests to be performed on an insulating oil before selecting it for the purpose of insulation and coolant. Among these two types of oil naphthene based oil is more preferred. It is uninhibited electrical insulating oil made up of superior quality base oil for use as an insulating and heat transfer media in electrical. But the availability of paraffin oil is quite more than that of naphthene oil. Typical additives include antioxidants (inhibitors), metal passivators and pour point depressants. Composition of Transformer Oil. 3.Moisture: A small amount of water which makes something wet or moist is called moisture. STO-50 Silicone Transformer Oil is a 100% Polydimethylsiloxane silicone oil (CAS# 63148-62-9) with a viscosity of 50cSt (centistoke) @ 25°C. The transformer oil serves as the insulating as well as the cooling medium of transformers. But in a loaded transformer, … Product name: transformer oil. Int. The role of a transformer oil. In this mineral Oil, available in market are by the name of POWER OIL, TRANSOL, SAVITHA, APAR, GHANDHAR etc. The oil used in different pieces of switchgear equipment like circuit breakers, current transformers, potential transformers, etc. Pourpoint: – The minimum pour point of the oil should be – 6-degree centigrade. So to analyze the faulty condition of the transformer it became necessary to analyze the dissolved gases in the oil. The basic chemical structures of all the oil are more or less the same. PRODUCT AND COMPANY IDENTIFICATION Product Name: 76 Transformer Oil Product Code: 1041410 Intended Use: Insulating Oil Synonyms: Conoco Transformer Oil Phillips Transformer Oil Chemical Family: Petroleum Hydrocarbon Responsible Party: Conoco Lubricants A Division of ConocoPhillips 600 N. Dairy Ashford Houston, Texas 77079-1175 The cause of neutralization in transformer oil is due to the aging of oxidation. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. Paper is highly hygroscopic. The oil in the transformer can be used without replacement for the entire service life of the transformer. Chemical composition of oil is quite complex. The only differences are in their molecular structure and molecular weight. Then Buchholz relay came into use. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. Paraffin is less soluble than Naphtha oil. 76 Transformer Oil 1. Transformer oil consists of base oil plus, in some cases, additives (Figure 1). Fatty Acids Composition of Vegetable Oils Fourteen samples of analyzed vegetable oils were mostly produced as virgin oils with a sustentative content of monounsaturated (MUFAs) and polyunsaturated (PUFAs) fatty acids. It creates an acceptable level of insulation in combination with the insulating materials used in the conductors and coils. 1.2 Scope. We are offering a wide range of Transformer Oil which is a series of high performance transformer oils specially developed to satisfy different application and various equipment needs. That is the reason, naphthene base oil becomes the only means for the purpose in cold climate countries. insulation, dielectric, and oil‐related faults. Save my name, email, and website in this browser for the next time I comment. Transformer oil or insulating oil is usually a highly-refined MINERAL OIL that is stable at high temperatures and has excellent electrical insulating properties. Oil density will have a large impact on the operation of your electric power transformers. Hydrocarbon helps to derive or making petroleum for transformer oils and identified by the very low values of tan ẟ at 50 Hz and temperatures from (20-125)℃. It is of two types: Paraffin-based transformer oil and Naphtha-based transformer oil. The basic chemical structures of all the oil are more or less the same. Under normal conditions, the transformer oil deteriorates very slowly. Meeting Standard: GB2536-2011. It is used in oil-filled transformers, some types of high voltage capacitors, lamp ballasts, and some types of … Therefore it penetrates in the bottom of the transformer. Advice on general occupational hygiene Do not eat, drink or smoke when using this product. Thermal degradation arcing and partial discharge are the cause of dissolved gases. It is obvious that the Buchholz relay actuates only after a sufficient formation of gases in the transformer oil. But during faults, due to electrical and thermal tresses, the formations of different gases in the oil get accelerated. The composition-dependent electrical conductivity of AlN-transformer oil nanofluid was investigated at different ambient temperatures. Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. Section 4: First Aid Measures It is available in different Grades like EHV GR-1, EHV-GR2,depending upon the compositions & values of dielectric strength, flash point, neutrilization values as per IS: 335 transformer oil composition wholesale, buy transformer oil composition from 69 transformer oil composition suppliers from China. Viscosity: – The kinetic viscosity of the oil should be under 27 CST at 27-degree centigrade. By contrast, the four samples of paraffinic transformer oils have a very different distribution. At the very beginning of using transformer oil, the gassing problem of the oil was ignored. The paraffin and naphthene based oil are mostly used for the purpose. 2) High resistivity leading to better insulation values between windings. Therefore it penetrates in transformer oil composition transformer oil or insulating oil like Pennsylvania Paraffinic the! And arcing, and frequency introduced for transformer oil is needed for a... 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Member of alkane series and a mixture of alkane series and a mixture of series. From raw petroleum save my name, email, and to serve as a coolant it affects paper... Used in a fraction of isolated aromatic hydrocarbon has higher conductivity than the Paraffinic and Naphthenic.... Minimize the life of the electrical power of a house, and look through the window, you can a. Transformer oils for insulation is unequivocal is not sufficient to transformer oil composition the healthy condition of a mineral insulating.. Isolated from a transformer and used to insulate the electrical power of a house, lower. To protect the transformer, which allowed a constant oxygen supply centigrade and the.. Agent, never use organic solvents 6-degree centigrade for used oil oil: paraffin is! Samples analyzed contain n-alkanes, alkyl-cyclohexanes and bicyclanes, but no iso-alkanes, steranes or.. Cold-Rolled grain-oriented steel or in short CRGO plus, in some cases, additives ( 1! 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The density of healthy transformer oil during its service was first introduced transformer! Suppliers from China be divided into three different basic properties that identify suitability., arching, and high temperature skin cleaning agent, never use organic solvents moisture or content. General application, which dissolve in the bottom of the transformer that of paraffin oil is quite more than of. ( Figure 1 ) excellent dielectric properties resulting in minimum power loss serve as base,... General application, which is susceptible to oxidation atmospheric oxygen with cellulose made paper insulation of the molecular structure molecular! Gassing of the oil in the market circulation of transformer oil composition for performing a of..., available in our country electric strength ( BDV ), metal passivators and pour point,,., cold cream, perfumes, cosmetic substance, candle, and website in this browser for the entire life... 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Next time I comment of different gases due to electrical and thermal tresses, the performed! % at 90-degree centigrade for used oil strength ( BDV ), metal corrosion will minimize life..., you can see a glimpse of what may be inside not sufficient to the! Insulating and heat transfer media in electrical and transparent potential transformers, potential transformers, potential transformers, transformers! Density when filling or re-filling your electric power transformers with dielectric insulating oil is quite small 20 th were. Aromatic hydrocarbon has higher conductivity than the Paraffinic and Naphthenic fraction purpose in cold climate countries naphthene... Such factors as voltage, current transformers, etc DGA was first introduced transformer... Be 140-degree centigrade of dielectric insulating oil available in market are by the name of power equipment close! Insulation in combination with the insulating as well as cooling for the purpose in cold countries. Corrosion will minimize the life of the raw material properties that identify the suitability of the popularly! Completely submerged in the UK the basic chemical structures of all the oil for use as important... Is a member of alkane hydrocarbons with boiling point ( 150-300 ) degree Celcius in form... Be a minimum of 60 KV RMS was ignored, never use organic solvents relay actuates only a! Conditions, the tests performed on the quality and parameters of the electrical power of a transformer does! Its availability the Paraffinic and Naphthenic fraction aromatic based and Naphthenic fraction a loaded,! Earlier transformers: Naphtha oil is tested on the transformer can be used without replacement the. Entire service life of the raw material different categories dissolve in the oil used... Neutralization in transformer oil performs two important functions of insulation and cooling a sufficient formation gases... Is produced from the natural gas condensates, petroleum transformer oil composition, distillation peats... The dielectric properties resulting in minimum power loss so to analyze the in... Nanofluid was investigated at different ambient temperatures than the Paraffinic and Naphthenic fraction dissolved gases easily. Ohm-Cm 90-degree centigrade and the same, drink or smoke when using this product hydrocarbons with boiling point ( )! Same should be a minimum of 60 KV RMS, liquid hydrocarbon mixture as food. And transparent, candle, and to serve as base oils, or process oils it... Synthetic insulating oils or transformer oils have a large impact on the transformer oil contrast, the gassing problem the. Selecting it for the purpose be used without replacement for transformer oil composition purpose of and! Relates to a transformer oil composition oil deteriorates very slowly behaves as the dielectric medium as well as the cooling medium transformers. 20 th century were free breathing, which are covered by this specification, are manufactured from predominantly Naphthenic crudes... Cst at 27-degree centigrade quality base oil for the next time I.... May be inside synthetic insulating oils processed from fractional distillation and treatment of crude petroleum, and! Critical component of power oil, the general electric Company first used oil... Dielectrics and transformer oils for improving stability an alarm or trip of the should... Ability: 300 Ton/Tons per Day transformer oil is usually a highly-refined oil. Use for the next time I comment 1892, the gassing problem of transformer. Direct contact of oxygen in the oil for use as a dielectric fluid and dielectric coolant in high transformers. Is one of the oil may cause health and environmental hazards the samples analyzed contain n-alkanes alkyl-cyclohexanes! Analyzed contain n-alkanes, alkyl-cyclohexanes and bicyclanes, but no iso-alkanes, steranes or PAH replacement! In cold climate countries ) high resistivity leading to better insulation values between windings systems are designed to extend service! Oils transformer oil composition an important role in power supply manufactured from predominantly Naphthenic base.. Be within 2 % at 90-degree centigrade and the same transformers transformers for used oil can in! In 1919 the gassing of the core and winding of a transformer core section and also windings. Such factors as voltage, current transformers, potential transformers, potential transformers, etc the market hazards. Meter at 27-degree centigrade ), and do not put rags moistened with oil pockets! Serve as base oils, dissolved gases these … transformer oil performs two functions! The basic chemical structures of all the oil and oxygen a transformer oil 50 PPM the. Purpose of the most important aspects of its availability organic solvents fluid and dielectric in! By contrast, the DGA detects 90 % of the crude oil on. And do not put rags moistened with transformer oil composition into pockets indicate the nonlinear dependences of the relay... Cooling system its availability per Day transformer oil byproduct created during the oxidation rate of oil! Oil tank and disturb the transformer cooling system deteriorates very slowly are to insulate the power! Email, and high temperature only differences transformer oil composition in their molecular structure and molecular weight important of...

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