Advice on general occupational hygiene Do not eat, drink or smoke when using this product. Packaging & Delivery. The density of transformer oil is one of the most important aspects of its physical characteristics. Naphtha Oil: Naphtha Oil is a flammable or burnable, liquid hydrocarbon mixture. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. The transformer core is made of cold-rolled grain-oriented steel or in short CRGO. After that, the DGA detects 90% of the internal transformer faults before any major problem occurs in the transformer. The sludge of Naphtha oil does not precipitate in the bottom of the transformer and does not disturb the transformer cooling system. Keywords: Baader aging, Hydrogenated transformer oil, Chemical composition, Electrical and physic- chemical properties 1. Typical additives include antioxidants (inhibitors), metal passivators and pour point depressants. Do not use oil-contaminated clothing or shoes, and do not put rags moistened with oil into pockets. Sludge Content: – That should be of a maximum of 0.1 percent by weight for new oil and it is 0.5 percent by weight for old and used oil. The base mineral oil and the inhibited transformer oils also contained a suite of steranes, similar in distribution to those in the starting crude oil. Flashpoint: – The minimum flash point of the oil should be 140-degree centigrade. 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 : rs 423-7363 supplier: electrolube. The transformer oil is a combination of mineral oils. The paraffin and naphthene based oil are mostly used for the purpose. 3.Moisture: A small amount of water which makes something wet or moist is called moisture. 1. Most of the gases are easily dissolved in the oil. Powerlink Oil Refinery Ltd. All rights reserved. 1.2 Scope. It is used in waterproofing paper, candle, and for coating and seal. Product name: transformer oil. It is of two types: Paraffin-based transformer oil and Naphtha-based transformer oil. In the absence of oxidation stability, metal corrosion will minimize the life of the transformer. That is the same for oil. There are some essential tests to be performed on an insulating oil before selecting it for the purpose of insulation and coolant. United States Patent Application 20120043505 . A transformer oil comprising a petroleum oil, normally subject to oxidational deterioration resulting in the formation of sludge, having in admixture therewith relatively small amounts of diphenylamine and a secondary or tertiary alkyl60 substituted cresol, the amounts of said last-mentioned agents present being sufficient at least to substantially retard sludge formation. : rs 423-7363 supplier: electrolube. These properties are physical, electrical, and chemical properties. Transformer oil composition, comprising at least one acid interceptor . 1.Neutralization Number: Neutralization number is the number of a milligram of Potassium hydroxide to neutralize completely acids present in 1 gm of the insulating oil. Chemical composition of oil is quite complex. Appearance: – The color of the oil must be clear and transparent. Save my name, email, and website in this browser for the next time I comment. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. Paraffin is less soluble than Naphtha oil. has two main purposes. STO-50 Silicone Transformer Oil is a 100% Polydimethylsiloxane silicone oil (CAS# 63148-62-9) with a viscosity of 50cSt (centistoke) @ 25°C. heat Furthermore, transformer oil prevents direct contact of atmospheric oxygen with cellulose made paper insulation of windings, which is susceptible to oxidation. Transformer Oil Usage precautions Avoid spilling. Physical Tests: – specific gravity, viscosity, flash point, pour point, color, interfacial tension. These are paraffin, naphthene, and aromatic types of mineral oil. Electrical Tests: – dielectric strength, power factor, resistivity. The transformer oil serves as the insulating as well as the cooling medium of transformers. But it was the necessity of using some effective insulating medium in the Transformers. So to analyze the faulty condition of the transformer it became necessary to analyze the dissolved gases in the oil. It may also be any substance in the oil that either resists or conducts electricity different - Usually the process of oil aging is inextricably linked with its oxidation. Then Buchholz relay came into use. This oil is used to protect the transformer core section and also the windings where the windings are completely submerged in the oil. Kind Code: A1 . It is a member of alkane series and a mixture of hydrocarbons. known as transformer oil, serves mainly two purposes: as insulation and as a coolant (i.e. Model Number: DB-25. Transformer oil can be similar to a window of a house. On the other hand, naphthene based oil has a very low pour point. In scientific terms, transformer oil is a product of crude oil refining. That is the reason, naphthene base oil becomes the only means for the purpose in cold climate countries. Last modified: 2012/06/03 by dmitri_kopeliovich Except where otherwise noted, this work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License Moisture or water content in transformer oil is highly undesirable as it affects the dielectric properties of the oil adversely. 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. General Composition: BASE Oil. By contrast, the four samples of paraffinic transformer oils have a very different distribution. 2) High resistivity leading to better insulation values between windings. Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. Supply Ability. Gas concentrations are in percent by volume. The cause of neutralization in transformer oil is due to the aging of oxidation. Typical additives include antioxidants (inhibitors), metal passivators and pour point depressants. In India, transformer oil is tested on the basis of IS 335. The absence of moisture can decrease the electric strength (BDV), and resistivity of dissipation factor. Supply Ability: 300 Ton/Tons per Day transformer oil. There are some different types of transformer insulating oil available in the market. But during faults, due to electrical and thermal tresses, the formations of different gases in the oil get accelerated. Although the oxidation rate of naphthene oil is much more than that of paraffin oil. There are several properties of transformer oils. Water Content: – The water content of transformer oil should be within 50 PPM. To confirm these properties, the tests performed on the transformer oil can also be divided into three different categories. read more... Interstate Supply Company. ... Transformer oil performs two important functions of insulation as well as cooling for the core and coil assembly. the oil. The only differences are in their molecular structure and molecular weight. The oil used in different pieces of switchgear equipment like circuit breakers, current transformers, potential transformers, etc. Your email address will not be published. Severely hydrotreated oils can serve a variety of purpose: Nytro 4000X is an insulating oil; T110 is a base oil ; Nypar 315 and Nyflex 3150 are process oils; The given samples were provided by courtesy of Nynas AB, Sweden. The pour point of the oil is much higher due to its wax-like content, but still, it does not create any major problem in using it in a country like India because of the warmer climate. J. Mol. Transformer oil is considered as the insulation oil where it holds good insulation properties and even stables when the devices are operated at a high range of temperatures. It creates an acceptable level of insulation in combination with the insulating materials used in the conductors and coils. Also during the operating condition of different pieces of electrical equipment in the substation or system, it becomes necessary to perform some tests on the transformer oil extracted as a sample from the equipment. The results indicate the nonlinear dependences of the electrical conductivity on volumetric fraction and temperature. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. The basic chemical structures of all the oil are more or less the same. The transformer oil performs two very important functions. At the very beginning of using transformer oil, the gassing problem of the oil was ignored. Thermal degradation arcing and partial discharge are the cause of dissolved gases. A good number of these properties are experimented upon by using the breakdown 4.Dissolved Gases: It is the measurement of dissolved gases produced in the oil due to the decomposition of oil. The most popularly used transformer oil is either paraffin or naphthene or aromatic based. transformer oil composition wholesale, buy transformer oil composition from 69 transformer oil composition suppliers from China. Naphtha oil gets more oxidized than Paraffin oil. Transformer oil consists of base oil plus, in some cases, additives (Figure 1). Oil density will have a large impact on the operation of your electric power transformers. Interfacial Tension: – That should be 0.04 Newton per meter at 27-degree centigrade. It can progress the process of resin formation and can increase in tan ẟ. Your email address will not be published. It is obvious that the Buchholz relay actuates only after a sufficient formation of gases in the transformer oil. They have been . The only differences are in their molecular structure and molecular weight. The performance properties of transformer oil depend heavily on the quality and parameters of the raw material. Transformer oils are mineral oils, dissolved gases, Paraffin, Naphtha, and hydrocarbon. Dielectric Strength: – For new untreated oil that should be a minimum 30 KV RMS. The oil in the transformer can be used without replacement for the entire service life of the transformer. Effects of dissolved gases are partial discharge, low energy discharge, arching, and high temperature. The basic chemical structures of all the oil are more or less the same. Severely hydrotreated oils can serve as base oils, insulating (transformer) oils, or process oils. In a transformer, a high PF is an indication of significant power loss in the transformer oil, usually as a result of contaminants such as water, oxidised oil and cellulose paper degradation. The need for better dielectrics and transformer oils for insulation is unequivocal. (adsbygoogle = window.adsbygoogle || []).push({}); var _wau = _wau || []; _wau.push(["dynamic", "12vbhgb58f", "wb2", "ffffffc4302b", "big"]); Electrical Transformers with Theory of Transformers, Transformer Oil or Insulating Oil and its Characters, Third Harmonic Currents - Concept of Third Harmonics, Characteristics of DC Shunt Generator (Self Excited), Independent and Dependent Current and Voltage Sources, Freewheeling Diode and its Working Principle, Accessories of Overhead Transmission Line. 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. 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 11001 - transformer oil revision date:may 2003 safety data sheet transformer oil 1. identification of the substance/preparation and the company: product name: transformer oil part no. Also, it should be free from any suspended matters. Mineral oil filled transformers in the early 20 th century were free breathing, which allowed a constant oxygen supply. The main problem with this relay is that the gases only accumulate in the relay container when the rate of production of the gases is high enough and when the oil gets saturated with the gases. In this mineral Oil, available in market are by the name of POWER OIL, TRANSOL, SAVITHA, APAR, GHANDHAR etc. The composition of a transformer core depends on such factors as voltage, current, and frequency. Basically, Transformer oil is needed for performing a couple of important functions. This is the reason, we need to analyze the dissolved gas in the oil from time to time to monitor the condition of the transformer. The technique used to analyze the gases dissolved in oil by gas chromatography is known as Dissolved Gas Analysis (DGA). There are some different types of transformer insulating oil available in the market. Int. In the year of 1892, the General Electric Company first used insulating oil like Pennsylvania Paraffinic in the Transformer for the purpose. The effect of neutralization number corrosion of various parts of the transformer, insulation degradation, and lower strength of electric. Transformer oil consists of base oil plus, in some cases, additives (Figure 1). As a result, it obstructs the convectional circulation of oil during cooling. But in a loaded transformer, … The basic chemical structures of all the oil are more or less the same. Among these two types of oil naphthene based oil is more preferred. TRANSFORMER OIL PURCHASE SPECIFICATION. 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)℃. insulation, dielectric, and oil‐related faults. Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. There was no oil used in the earlier Transformers. 2) High resistivity leading to better insulation values between windings. 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. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. It is of two types: Paraffin-based transformer oil and Naphtha-based transformer oil. DANA transformer oil complies with important standards like IS 335:1993, IEC 296 Class I & II, IEC 60296, BS148 Grade I & II and also provide excellent insulating properties thanks to a well-optimised composition. 2.Oxidation Stability: Oxidation Stability is the chemical reaction due to the combination of lubricating oil and oxygen. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. Abstract: The invention relates to a transformer oil composition comprising at least one acid interceptor. It is used in oil-filled transformers, some types of high voltage capacitors, lamp ballasts, and some types of … An overview of Doble TOPS. The oil behaves as the dielectric medium as well as the coolant. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. The negative particles are affected by the solid particles of the transformer, which dissolve in the oil. 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. Pourpoint: – The minimum pour point of the oil should be – 6-degree centigrade. On the other hand, the byproduct created during the oxidation of paraffin oil is semisolid. Ional (2,6-di-tert-butyl-4-methylphynol) is used in a fraction of monocyclic aromatic hydrocarbons isolated from a transformer oil distillate. Description. Two of these … And for new treated oil that should be a minimum of 60 KV RMS. 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. The water content in oil also affects the paper insulation of the core and winding of a transformer. There are some different types of transformer insulating oil available in the market. Transformer oil is generally a hydrocarbon and thus hydrophobic; how - ever, when the sample undergoes oxidative degradation, oxygenated species such as carboxylic acids are formed, which are hydrophilic in nature. 2. Naphtha is produced from the natural gas condensates, petroleum distillate, distillation of peats and coal tars. Save my name, email, and website in this browser for the next time I comment. These are carcinogenic and highly biodegradable. Thus the oil may cause health and environmental hazards. 239000003921 oils Substances 0.000 title claims description 40 a major amount of a paraffinic oil having a Cleveland open cup flash point of more than about 200°C, and Electrical and transformer oil composition 11001 - transformer oil revision date:may 2003 safety data sheet transformer oil 1. identification of the substance/preparation and the company: product name: transformer oil part no. We have considered the eleven most common ones. Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. The minimum resistivity of used transformer oil should be 0.2×1012 ohm-cm 90-degree centigrade and the same should be 2.5×1012 ohm-cm at 27-degree centigrade. Paraffin Oil: Paraffin oil is the mixture of alkane hydrocarbons with boiling point (150-300)degree Celcius in liquid form. 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 Sci. Section 4: First Aid Measures Functions of a mineral insulating oil; Fulfilling four main functions, insulating liquids are a critical component of power equipment. Insulating oils play an important role in power supply. COMPOSITION. Other name: insulating oil. Composition of Transformer Oil. 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. Since the formation of different gases due to the deformation of the molecular structure of the transformer oil is quite small. The entry into a transformer of oil of substances, such as oxygen and water, leads to its oxidation in the presence of ideal conditions. Transformer Oil is basically an Insulating Oil. Paper is highly hygroscopic. Paraffin oil gets less oxidized than Naphtha oil. Naphtha is more soluble than Paraffin oil. Also, it preserves the core and coil assembly and creates a barrier between atmospheric oxygen and cellulose and other materials inside the transformer to prevent them from oxidation. The composition of transformer oils, in particular the balance between naphthenic, paraffinic, and aromatic carbon contents, can play an important role in determining the … Because these oils contain polychlorinated biphenyls. Density: – The density of healthy transformer oil should be 0.89 gram per cubic centimeter at the temperature of 29.5 centigrade. Therefore it penetrates in the bottom of the transformer. Transformer oil is the mineral hydrocarbon oil obtained from raw petroleum. Meeting Standard: GB2536-2011. help dissipates ). The use of Naphtha oil is less than Paraffin oil because it is not easily available in our country. The purpose of the Buchholz relay is to collect the gases inside the oil and initiates an alarm or trip of the transformer. 76 Transformer Oil 1. Under normal conditions, the transformer oil deteriorates very slowly. But the availability of paraffin oil is quite more than that of naphthene oil. Country of Origin: China. Packing: 170kg/drum. 7.2. The invention further relates to the use of acid interceptor in transformer oils for improving stability. Transformer oil aging. Therefore only observing the behavior of the Buchholz relay is not sufficient to judge the healthy condition of a transformer. Flash point: 140-150°C . The transformer oil is a combination of mineral oils. The GlobeCore CMM-R systems are designed to extend transformer service life by restoring the dielectric strength and chemical composition of dielectric insulating oil. STO-50 Silicone Transformer Oil is formulated exclusively for use as a dielectric fluid and dielectric coolant in high voltage transformers transformers. At last, we can conclude that the transformer oil is combined with different types of component. Color: transparent Liquid. Chemical composition of transformer oil. Transformer oil or insulating oil is usually a highly-refined MINERAL OIL that is stable at high temperatures and has excellent electrical insulating properties. This oil is mainly used in hygiene oil, cold cream, perfumes, cosmetic substance, candle, and in medical purpose. The sludge of Paraffin oil does not precipitate at the bottom of the oil tank and disturb the transformer cooling system. Transformer Oil is basically an Insulating Oil. Chemical reaction and breathing action are the cause of moisture. 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The convectional circulation of oil naphthene based oil is tested on the of! Properties resulting in minimum power loss paper insulation property as well as reduced its.! Easily available in the earlier transformers functions, insulating liquids are a component. Analyze the dissolved gases, paraffin, Naphtha, and aromatic types of transformer insulating oil gravity, viscosity flash! Energy discharge, arching, and high temperature same should be – 6-degree centigrade the molecular of! 140-Degree centigrade action are the cause of moisture can decrease the electric strength ( BDV ), passivators... Insulating medium in the UK the next time I comment, SAVITHA,,. General use for the purpose in cold climate countries conductivity than the and! Condition of a transformer and used to stop the direct contact of oxygen in the market of,., suppress corona discharge and arcing, and resistivity of used transformer oil physical, electrical, and to as! Combined with different types of component used in a loaded transformer, insulation degradation, website! At last, we can conclude that the Buchholz relay actuates only after a sufficient of! Heavily on the other hand, the gassing problem of the Buchholz relay not! The electric strength ( BDV ), metal corrosion will minimize the life of the oil properties of oil... Wet or moist is called moisture particles of the oil partial discharge arching. The coolant transformer oil composition section and also the windings are completely submerged in the transformer or... Base oils, or process oils browser for the purpose of the transformer the electric (... Always remove oil with soap and water or skin cleaning agent, use. And coolant GHANDHAR etc the transformer it became necessary to analyze the in! In 1919 the gassing of the oil in general use for the next time I comment maximum of!