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. Model Number: DB-25. This oil is used to protect the transformer core section and also the windings where the windings are completely submerged in the oil. Transformer oil can be similar to a window of a house. It is a member of alkane series and a mixture of hydrocarbons. 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. Chemical composition of transformer oil. 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 India, transformer oil is tested on the basis of IS 335. Therefore it penetrates in the bottom of the transformer. It is used in oil-filled transformers, some types of high voltage capacitors, lamp ballasts, and some types of … The effect of neutralization number corrosion of various parts of the transformer, insulation degradation, and lower strength of electric. Sci. STO-50 Silicone Transformer Oil is formulated exclusively for use as a dielectric fluid and dielectric coolant in high voltage transformers transformers. The basic chemical structures of all the oil are more or less the same. 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. Kind Code: A1 . The other crucial thing about this insulation oil is its capacity to not allow … Save my name, email, and website in this browser for the next time I comment. Since the formation of different gases due to the deformation of the molecular structure of the transformer oil is quite small. These properties are physical, electrical, and chemical properties. Your email address will not be published. At the very beginning of using transformer oil, the gassing problem of the oil was ignored. In scientific terms, transformer oil is a product of crude oil refining. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. United States Patent Application 20120043505 . The use of Naphtha oil is less than Paraffin oil because it is not easily available in our country. 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 composition, comprising at least one acid interceptor . Insulating oils for general application, which are covered by this specification, are manufactured from predominantly naphthenic base crudes. 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. Most of the gases are easily dissolved in the oil. Meeting Standard: GB2536-2011. A good number of these properties are experimented upon by using the breakdown 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 the oil. The density of transformer oil is one of the most important aspects of its physical characteristics. Naphtha is more soluble than Paraffin oil. The oil used in different pieces of switchgear equipment like circuit breakers, current transformers, potential transformers, etc. They have been . Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. Typical additives include antioxidants (inhibitors), metal passivators and pour point depressants. Paraffin: Paraffin is a colorless, odorless solid substance which can’t soluble in water and does not easily react with any reagent. 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. IFT is the surface tension of a sample … Moisture or water content in transformer oil is highly undesirable as it affects the dielectric properties of the oil adversely. 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 The cause of neutralization in transformer oil is due to the aging of oxidation. The sludge of Paraffin oil does not precipitate at the bottom of the oil tank and disturb the transformer cooling system. There are some essential tests to be performed on an insulating oil before selecting it for the purpose of insulation and coolant. 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. It is uninhibited electrical insulating oil made up of superior quality base oil for use as an insulating and heat transfer media in electrical. 2) High resistivity leading to better insulation values between windings. Electrical Tests: – dielectric strength, power factor, resistivity. To confirm these properties, the tests performed on the transformer oil can also be divided into three different categories. Abstract: The invention relates to a transformer oil composition comprising at least one acid interceptor. has two main purposes. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. 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. Because the gases evolved due to falts mostly dissolve in the oil before these reach to the relay. 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. The sludge of Naphtha oil does not precipitate in the bottom of the transformer and does not disturb the transformer cooling system. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. Interfacial Tension: – That should be 0.04 Newton per meter at 27-degree centigrade. Section 3: Composition / Information on Ingredients Component CASRN Concentration¹ Lubricant Base Oil (Petroleum) VARIOUS >99 Additives Proprietary <1 ¹ All concentrations are percent by weight unless ingredient is a gas. Keywords: Baader aging, Hydrogenated transformer oil, Chemical composition, Electrical and physic- chemical properties 1. These are paraffin, naphthene, and aromatic types of mineral oil. There was no oil used in the earlier Transformers. 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. 7.2. Because these oils contain polychlorinated biphenyls. 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. Insulating oils play an important role in power supply. Although the oxidation rate of naphthene oil is much more than that of paraffin oil. It is used in waterproofing paper, candle, and for coating and seal. This oil is mainly used in hygiene oil, cold cream, perfumes, cosmetic substance, candle, and in medical purpose. These are carcinogenic and highly biodegradable. The oil in the transformer can be used without replacement for the entire service life of the transformer. Always remove oil with soap and water or skin cleaning agent, never use organic solvents. Oil density will have a large impact on the operation of your electric power transformers. It creates an acceptable level of insulation in combination with the insulating materials used in the conductors and coils. Some synthetic insulating oils are also available in the market but we generally avoid to use them as transformer oil. Dielectric Strength: – For new untreated oil that should be a minimum 30 KV RMS. Transformer Oil is basically an Insulating Oil. Water Content: – The water content of transformer oil should be within 50 PPM. An overview of Doble TOPS. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. The results indicate the nonlinear dependences of the electrical conductivity on volumetric fraction and temperature. Mineral oil filled transformers in the early 20 th century were free breathing, which allowed a constant oxygen supply. After that, the DGA detects 90% of the internal transformer faults before any major problem occurs in the transformer. So to analyze the faulty condition of the transformer it became necessary to analyze the dissolved gases in the oil. The paraffin and naphthene based oil are mostly used for the purpose. Color: transparent Liquid. 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 Supply Ability. And for new treated oil that should be a minimum of 60 KV RMS. Density: – The density of healthy transformer oil should be 0.89 gram per cubic centimeter at the temperature of 29.5 centigrade. On the other hand, naphthene based oil has a very low pour point. The negative particles are affected by the solid particles of the transformer, which dissolve in the oil. It may also be any substance in the oil that either resists or conducts electricity different - In this mineral Oil, available in market are by the name of POWER OIL, TRANSOL, SAVITHA, APAR, GHANDHAR etc. 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 transformer oil performs two very important functions. In the year of 1892, the General Electric Company first used insulating oil like Pennsylvania Paraffinic in the Transformer for the purpose. Moisture is the cause of oxidation stability. We have considered the eleven most common ones. The transformer oil serves as the insulating as well as the cooling medium of transformers. Chemical composition of oil is quite complex. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. Packing: 170kg/drum. 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: 300 Ton/Tons per Day transformer oil. But in a loaded 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. Transformer oil is nothing but the mineral hydrocarbon oil extracted from raw petroleum. By contrast, the four samples of paraffinic transformer oils have a very different distribution. The most popularly used transformer oil is either paraffin or naphthene or aromatic based. The transformer oil is a combination of mineral oils. The success and correctness of detected faults in transformers led a decision to undergo a routing dissolved gas analysis of all 400 KV transformers in the year 1967 in the UK. That is the reason, naphthene base oil becomes the only means for the purpose in cold climate countries. 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)℃. 2) High resistivity leading to better insulation values between windings. 76 Transformer Oil 1. : rs 423-7363 supplier: electrolube. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. Naphtha oil gets more oxidized than Paraffin oil. Thermal degradation arcing and partial discharge are the cause of dissolved gases. The performance properties of transformer oil depend heavily on the quality and parameters of the raw material. 1. Viscosity: – The kinetic viscosity of the oil should be under 27 CST at 27-degree centigrade. There are mainly three types of Transformer oil in general use for the purpose. 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. 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. Therefore only observing the behavior of the Buchholz relay is not sufficient to judge the healthy condition of a transformer. The composition of transformer oils, in particular the balance between naphthenic, paraffinic, and aromatic carbon contents, can play an important role in determining the … But it was the necessity of using some effective insulating medium in the Transformers. J. Mol. The basic chemical structures of all the oil are more or less the same. There are several properties of transformer oils. 2. Two of these … The role of a transformer oil. help dissipates ). The performance of the oil is defined by the positive and negative properties of the crude oil. Transformer oil consists of base oil plus, in some cases, additives (Figure 1). Under normal conditions, the transformer oil deteriorates very slowly. As a result, it obstructs the convectional circulation of oil during cooling. Country of Origin: China. 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. Pourpoint: – The minimum pour point of the oil should be – 6-degree centigrade. 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. 4.Dissolved Gases: It is the measurement of dissolved gases produced in the oil due to the decomposition of oil. Gas concentrations are in percent by volume. Oxidation of transformer mineral insulating oils occurs over time, at a rate that is dependent on the composition of the fluid and the conditions to which it is exposed while in service, such as temperature, oxygen and catalysts. Your email address will not be published. Among these two types of oil naphthene based oil is more preferred. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. DGA was first introduced for transformer oil in the year 1965 in the UK. Flashpoint: – The minimum flash point of the oil should be 140-degree centigrade. Different electrical and thermal faults occurred in the Transformer form the gases in the oil. Physical Tests: – specific gravity, viscosity, flash point, pour point, color, interfacial tension. The only differences are in their molecular structure and molecular weight. 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. : rs 423-7363 supplier: electrolube. Advice on general occupational hygiene Do not eat, drink or smoke when using this product. Basically, Transformer oil is needed for performing a couple of important functions. That is the same for oil. known as transformer oil, serves mainly two purposes: as insulation and as a coolant (i.e. The only differences are in their molecular structure and molecular weight. ... Transformer oil performs two important functions of insulation as well as cooling for the core and coil assembly. 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. General Composition: BASE Oil. Usually the process of oil aging is inextricably linked with its oxidation. Ional (2,6-di-tert-butyl-4-methylphynol) is used in a fraction of monocyclic aromatic hydrocarbons isolated from a transformer oil distillate. Transformer Oil is basically an Insulating Oil. Severely hydrotreated oils can serve as base oils, insulating (transformer) oils, or process oils. 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 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. Paper is highly hygroscopic. Save my name, email, and website in this browser for the next time I comment. The water content in oil also affects the paper insulation of the core and winding of a transformer. 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. Functions of a mineral insulating oil; Fulfilling four main functions, insulating liquids are a critical component of power equipment. Transformer oil or insulating oil is usually a highly-refined MINERAL OIL that is stable at high temperatures and has excellent electrical insulating properties. But the availability of paraffin oil is quite more than that of naphthene oil. 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 Naphtha Oil: Naphtha Oil is a flammable or burnable, liquid hydrocarbon mixture. The use of Paraffin oil is more in India because of its availability. Transformer oil is the mineral hydrocarbon oil obtained from raw petroleum. The need for better dielectrics and transformer oils for insulation is unequivocal. The invention further relates to the use of acid interceptor in transformer oils for improving stability. Description. The transformer core is made of cold-rolled grain-oriented steel or in short CRGO. 1.2 Scope. 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. It is therefore, important to pay close attention to oil density when filling or re-filling your electric power transformers with dielectric insulating oil. At last, we can conclude that the transformer oil is combined with different types of component. The purpose of the Buchholz relay is to collect the gases inside the oil and initiates an alarm or trip of the transformer. Composition of Transformer Oil. insulation, dielectric, and oil‐related faults. It can progress the process of resin formation and can increase in tan ẟ. There are some different types of transformer insulating oil available in the market. transformer oil composition wholesale, buy transformer oil composition from 69 transformer oil composition suppliers from China. 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