Acid coupled with water further decompose the oil forming more acid and water. © 2016 - 2021 KaaShiv InfoTech, All rights reserved. Interfacial tension between the water and oil interface is the way to measure the attractive molecular force between water and oil. Transformer decommissioning: 4: Transformer Salvage, Inc. PO Box 888: Dudley: NC: 28333 (919) 731-7732: Scrap metal recovery oven: 4: Hydrodec of North America: 2021 Steinway Blvd. Transformer coil and core are immersed in oil. As oil is heated by the windings, it rises to the top and exits through piping to the radiator. Figure 4.3 illustrates a cutaway view of an oil-filled transformer. Transformer oil is used to insulate the electrical power of a transformer and used to stop the direct contact of oxygen in the transformer. 76 Transformer Oil 1. This is another important property of transformer oil. Oil color is determined by means of transmitted light and given a numerical value (0-5) based on comparison with a series of color standards. Hyvolt II meets requirements of ASTMD 3487-2009. Transformer oil Treatment. A transformer is an electrical device that transfers electrical energy from one circuit to another by electromagnetic induction (also called transformer action). Ergon's Hyvolt II Transformer Oil is a severely hydrotreated naphthenic insulating oil that does not require carcinogenic labeling. FOR PRODUCTS OR QUANTITIES OVER 100 POUNDS PLEASE REQUEST A FREIGHT SHIPPING QUOTE | 601.630.9972 If the results from the test are showing some red flags, the frequency will have to increase. Transformer Oil Filters. Paraffin-based oil has a higher value of pour point, compared to Naphtha based oil, but in India like country, it does not affect the use of Paraffin oil due to its warm climate condition. 838 transformer oil name products are offered for sale by suppliers on Alibaba.com A wide variety of transformer oil name options are available to you, There are 41 suppliers who sells transformer oil name on Alibaba.com, mainly located in Asia. Thermometer usually placed close to transformer name plate. Transformer oil is used in oil-filled electrical power transformers to insulate , stop arcing and corona discharge , and to dissipate the heat of the transformer (i.e. The water content in oil also affects the paper insulation of the core and winding of a transformer. 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. STO-50 Silicone Transformer Oil is a 100% Polydimethylsiloxane silicone oil (CAS# 63148-62-9) with a viscosity of 50cSt (centistoke) @ 25°C. Insulating oil in an electrical power transformer is commonly known as Transformer Oil. 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. A well known name in the transformer industry and one of the leading transformer manufacturers in India. 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. Buchholz (Gas) Relay. The acidity test of transformer oil can be used to measure the acidic constituents of contaminants. Hence it does not obstruct convection circulation of the oil, means it does not disturb the transformer cooling system. It provides… The table below shows the most common issues that can occur when testing transformer oil: Keep in mind, and transformer oils can last for up to 30 years. It is uninhibited electrical insulating oil made up of superior quality base oil for use as an insulating and heat transfer media in electrical Noticeable darkening oil indicates either contamination or that arcing is taking place. This oil in your transformer acts as an insulator and a cooling agent. Minimum breakdown voltage of transformer oil or dielectric strength of transformer oil at which this oil can safely be used in transformer, is considered as 30 KV. So it’s best to use them as diagnostics if an issue occurs during primary testing. In few words, the viscosity of transformer oil can be said that viscosity is the resistance of flow, in normal condition. Low energy discharges create methane and hydrogen and smaller quantities of ethylene and ethane. STO-50 Silicone Transformer Oil is a 100% Polydimethylsiloxane silicone oil (CAS# 63148-62-9) with a viscosity of 50cSt (centistoke) @ 25°C. The oil used in the transformer is a key element to check the physical condition of the unit. Physical properties: Interfacial tension, viscosity, flash point, pour point. It absorbs the excess amount of heat when the transformer is operational and keeps the transformer cool from inside. The gassing rate will vary based on the loading, insulation material, and transformer design. Sino-NSH Oil Purifier Manufacture Co., Ltd is a high-tech Company which engaged in manufacturing lubrication purification equipment such as transformer oil recycling system, turbine filtration plant, industrial treatment device ... Address：NanQiaoSi, JiangBei District, chongqing, China Business type：Manufacturing. This oil is manufactured using only the best quality ingredient and are free from all sorts of contamination. The Buchholz (gas) relay is placed in the piping between the transformer main tank and the oil conservator. flash point of insulating oil. Paper is highly hygroscopic. and it has all the necessary important properties like high ignition temp.,no sludge formation,low resistance to imulsion,etc. Flash point of transformer oil is the temperature at which oil gives enough vapors to produce a flammable mixture with air. The Buchholz protection is a mechanical fault detector for electrical faults in oil-immersed transformers. This Transformer Oil is used to enhance the performance of the transformers. There is another key point to use transformer oil in a power transformer. It is manufactured through special refining process selecting optimum types of hydrocarbons so that finished transformer oil provides longer service life, It does not contain Poly-Chlorinated Bi-phenyis (PCBs). act as a coolant). Typically a oil/water heat exchanger (radiator) is attached to the outside of the tank. STO-50 Silicone Transformer Oil is formulated exclusively for use as a dielectric fluid and dielectric coolant in high voltage transformers transformers. Core. Low viscosity of transformer oil is essential, but it is equally important that the viscosity of oil should increase as less as possible with a decrease in temperature. Enter your email below to receive FREE informative articles on Electrical & Electronics Engineering, Dielectric Dissipation Factor of Tan Delta of Transformer Oil, SCADA System: What is it? A PCB oil of this concentration would be subject to TSCA regulations of which I am not very familiar. It is of two types: Paraffin-based transformer oil and Naphtha-based transformer oil. flash point of transformer oil is more than 140°(>10°). Oil Immersed Transformer - Oil Cooling System. It’s important to understand the difference between excessive and normal gassing rates. If the oil temperature falls below the pour point, transformer oil stops convection flowing and obstruct cooling in a transformer. Transformers are filled with insulating fluid, which provides electrical insulation within the transformer tank and transfers heat generated in the coils to the tank wall and radiators. The Autobots (also known as Cybertrons in Japan) are the heroes … In the last five decades in India, there is a drastic change in production technology. This is to provide support for the transformer. Parker's transformer oil filters maximize the performance and service life of insulating oil by removing moisture and contaminants to increase transformer life spans and reduce transformer breakdowns. The properties (or parameters) of transformer oil are: The dielectric strength of transformer oil is also known as the breakdown voltage (BDV) of transformer oil. This is also known as neutralization number. The high value of this tanδ is an indication of the presence of contaminants in transformer oil. Transformer oil (also known as insulating oil) is a special type of oil which has excellent electrical insulating properties and is stable at high temperatures. Through proper testing, the transformer’s lifespan is increased, reducing the need to pay for replacement. We are a prestigious organization in the field of offering Transformer Oil to the clients. Transformer oil is used in oil-filled electrical power transformers to insulate, stop arcing and corona discharge, and to dissipate the heat of the transformer (i.e. Transformer Oil also acts as insulation so that it could protect winding from direct contact with the oxygen and stop any kind of oxidation reaction. Correct filling procedures must be adhered to in order to preserve the exacting properties. World's No 1 Animated self learning Website with Informative tutorials explaining the code and the choices behind it all. Transformer Oil Filters Products from parker include. (Supervisory Control and Data Acquisition), Programmable Logic Controllers (PLCs): Basics, Types & Applications, Diode: Definition, Symbol, and Types of Diodes, Thermistor: Definition, Uses & How They Work, Half Wave Rectifier Circuit Diagram & Working Principle, Lenz’s Law of Electromagnetic Induction: Definition & Formula. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. Figure 4.3 illustrates a cutaway view of an oil-filled transformer. It is generally done with a portable testing unit which applies test voltage that increases in intensity until a breakdown point of the oil is detected. Thus sludge of naphtha-based oil is not precipitated in the bottom of the transformer. It must be leveled and fire-resistant. So we should try to keep the value of tanδ as small as possible. That is why this oil is also known as Mineral Insulating Oil. The Flash point is suppresses by the BDV* ( breakdown voltage) of transformer oil, when the charecteristics of Transformer oil are discussed. The amount of dissolved gas in transformer oil can be found using a dissolved gas analysis (DGA) test. Minimum standard specific resistance of transformer oil at 90oC is 35 × 1012 ohm–cm and at 27oC it is 1500 × 1012 ohm–cm. First, it is the fundamental element of the insulating system. Another problem with paraffin-based oil that the dissolved waxes inside of it can lead to a high pour point. 3.4.1 transformer oil market share, by companies 38 3.4.2 transformer oil manufacturers global presence 39 3.5 patent analysis 40. Now slowly rising voltage is applied between the electrodes. The accurate measurement of water content at such low levels requires very sophisticated instrument like Coulometric Karl Fisher Titrator. If the resistivity of the insulating oil gets decreased, the value of tan-delta increases and vice verse. Although Paraffin oil has a lower oxidation rate than Naphtha oil, the oxidation product (sludge) is insoluble and precipitated at the bottom of the tank. So resistivity of the insulating oil must be high at room temperature and also it should have good value at high temperature as well.That is why specific resistance or resistivity of transformer oil should get measured at 27oC as well as 90oC. Its functions are to insulate, suppress corona discharge and arcing, and to serve as a coolant. transformer oil is also called as mineral oil which is free from FATTY acids. Pour point of transformer oil is a valuable property mainly at the places where the climate is icy. We express the acidity of oil in mg of KOH required to neutralize the acid present in a gram of oil. Transformer oil is also used to preserve the transformer’s core and windings – as these are fully immersed inside the oil. As a result, the paper releases water and increase the water content in transformer oil. Acidic transformer oil is a harmful property. Transformer insulating oil from MIDEL. Silicone based transformer oil was generally popularized in the middle of 70’s and has become broadly accepted for transformer where the location or environment presents a risk that appeals a fire safety alternative to transformer oil. GlobeCore company has invented the equipment for transformer oil treatment. A low value of BDV indicates presence of moisture content and conducting substances in the oil. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Chemical properties: Water content, acidity, sludge content. pressure relief vent : IR values to be recorded at intervals of 15 seconds, 1 minute and 10 minutes. When a insulating materials is placed between live part and grounded part of an electrical equipment, leakage current will flow. Hence there is a clear relationship between tanδ and resistivity of insulating oil. Mineral oils have long since been recognised as a fire hazard, but MIDEL’s natural ester fluids and synthetic ester MIDEL 7131 all possess a 100% fire safety rating. Good oil should have a low viscosity so that it offers less resistance to the conventional flow of oil thereby not affecting the cooling of a transformer. Although this is not an issue in warmer climate conditions (such as India). But in a loaded transformer, oil becomes hotter, hence the solubility of water in oil increases. Over time, the oil will degrade resulting in the potential for faults and costly repairs. 2. The Buchholz (gas) relay is placed in the piping between the transformer main tank and the oil conservator. EIFFEL TRADING L.L.C. Concrete base. Transformers: Basics, Maintenance, and Diagnostics vii Contents (continued) Page 4. MAIN COMPONENTS OF A POWER TRANSFORMER Figure 4.2 illustrates the outline drawing of a transformer. So taking the proper testing procedures now will save you thousands of dollars in the long run. Oil oxidation contaminants lower the IFT. With increase in temperature the resistivity of oil decreases rapidly. When the oil gets deteriorated or the solid insulation gets damaged, or its quality decreases, and because of this, the efficiency of the transformer gets affected. The mineral-based oil like transformer oil is frequently used in different types of transformers for its dielectric strength as well as electrical properties. In this mineral Oil, available in market are by the name of POWER OIL, TRANSOL, SAVITHA, APAR, GHANDHAR etc. Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus (, Identify if a certain oil is suitable for future use, Detect whether regeneration or filtration is needed, Reduce oil costs and enhance component life, Prevent untimely failures and maximize safety. There are two types of Transformer Oil, Naphthenic and Paraffinic based Transformer Oils. 1767.1 - 1999 and Doble's TOPS, IS 335 - 1993 and IS 12463 - 1988. Transformer oils come in a wide range of types, meaning there isn’t a single chemical name for all oils. BDV is an important and popular test of transformer oil, as it is the primary indicator of the health of oil and it can be easily carried out at the site. See bigger list of transformer oil testing methods in the end of the article. The acidity of oil deteriorates the insulation property of paper insulation of winding. Oil Natural Air Forced (ONAF) ONAF method is used for the cooling of the transformer of rating up to 60 Mega volts ampere.As discussed above that in ONAN method, the dissipation of heat is taking place by the convection process in which air is naturally circulated to cool down, but in this type, the forced air is used for the purpose of cooling the transformer. In general it is more than 140o(>10o). It absorbs the excess amount of heat when the transformer is operational and keeps the transformer cool from inside. It is manufactured through special refining process selecting optimum types of hydrocarbons so that finished transformer oil provides longer service life, It does not contain Poly-Chlorinated Bi-phenyis (PCBs). Moisture or water content in transformer oil is highly undesirable as it affects the dielectric properties of the oil adversely. Some specific properties of insulating oil should be considered to determine the serviceability of the oil. Transformer oil is called as mineral oil which is free from FATTY acids.And the Chemical name of Transformer oil is Hydrotreated Light Nepthanic Distillate. Properties of MIDEL 7131 Electrical4U is dedicated to the teaching and sharing of all things related to electrical and electronics engineering. Transformer oil is a mineral based oil that is commonly used in transformers for its chemical properties and dielectric strength. Different transformer oil treatments can solve range of problems. Transformer oil is an oil which remains stable at high temperature. Full disclaimer here. The company provides transformer oil under its brand name Shell Diala through the Downstream business segment. Over time, the oil will degrade resulting in the potential for faults and costly repairs. The transformer oil is a combination of mineral oils. Hence current through the insulator will lead the voltage with an angle little bit shorter than 90o. Even if the cost of testing is high, the expense should be compared to the cost of replacing a transformer and the downtime associated with losing the transformer. As Paraffin-based oil has more wax content, it has higher pour point. Clear All Filter () … Autobots. 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. Thus the temperature of the oil at the time of taking a sample for the test is critical. The oil that provides insulation and cooling properties for a transformer should be tested before the transformer is energized, and periodically as a part of a regular maintenance schedule. 2. If cellulose is overheated, then it will produce carbon monoxide. That means at which voltage dielectric strength of transformer oil between the electrodes has been broken down. But in reality, no insulating materials are perfect dielectric in nature. There are different configurations of units, that operate with transformer oil. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. What is the chemical name of transformer oil? It is the minimum temperature at which oil starts to flow under standard test condition. act as a coolant). The power transformer protection as a whole and the utilization of the below presented protection devices are not discussed here.. 1. It give reading directly through a sensor. The main advantage of using MIDEL transformer oils over mineral oil is their far greater fire safety. Good new oil generally exhibits high interfacial tension. sludge – in the naphtha oil is more soluble than the sludge from the paraffin oil. In this kit, oil is kept in a pot in which one pair of electrodes are fixed with a gap of 2.5 mm (in some kit it 4mm) between them. So it is desirable to have a very high flash point of transformer oil. Hyvolt II is an inhibited product providing high dielectric strength. These tests will help determine if the oils are clean and will create a baseline of properties that need to be tested periodically. In this mineral Oil, available in market are by the name of POWER OIL, TRANSOL, SAVITHA, APAR, GHANDHAR etc. Core. Hence it is desirable to have loss angle as small as possible. Concrete base. In the last five decades in India, there is a drastic change in production technology. Acidity accelerates the oxidation process in the oil. A comparison between the Naphthenic and Paraffinic Transformer Oil is listed below. For good Transformer Oil Flash Point should be higher (140 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. It is normally obtained by fractional distillation and subsequent treatment of crude petroleum. This sludge acts as an obstruction to the transformer cooling system. Regular monitoring of the oil’s quality and condition is a part of the process of servicing electric power equipment. The main components of the transformer are as follows: 1. Its unit is ohm-cm at a specific temperature. Specifically engineered and thoroughly tested for use in electrical power systems, XIAMETER™ PMX-561 Transformer Liquid is among the least hazardous of all known engineering materials, making it an excellent alternative to organic transformer oil. Transformer oil is a mineral based oil that is commonly used in transformers for its chemical properties and dielectric strength. Servo Transformer(Electra) is a high quality un-inhibited insulating oil developed for the use in electrical transformers & circuit breakers. The transformer oil acts as a barrier between the atmospheric oxygen and the cellulose – avoiding direct contact and hence minimizing oxidation. Transformer Oil does mainly two tasks. Parker's transformer oil filters maximize the performance and service life of insulating oil by removing moisture and contaminants to increase transformer life spans and reduce transformer breakdowns. The power transformer protection as a whole and the utilization of the below presented protection devices are not discussed here.. 1. The water content in oil is allowed up to 50 ppm as recommended by IS–335(1993). See bigger list of transformer oil testing methods in the end of the article. * This is a toy-centric character list. STO-50 Silicone Transformer Oil is formulated exclusively for use as a dielectric fluid and dielectric coolant in high voltage transformers transformers. Whenever oil temperature increases to specific level, it provide signal to alarm circuit. as the function of oil are 1. Which grade of mineral oil is used in transformers as transformer oil? Pour Point of transformer oil mainly depends upon wax content in the oil. Traces of acetylene might be created if the unit has electrical contacts or if the problem is severe. thats why we use this oil as transformer oil. And it has all the necessary important properties like high ignition tempratue.,no sludge formation, low resistance to imulsion,etc. The company has its presence in more than 100 countries such as Brazil, Canada, the US, China, Australia, Japan, Germany, the UK, and Saudi Arabia. ... Name * Email * Website. Powered by Inplant Training in chennai | Internship in chennai, dielectric strength of transformer oil in kv, dielectric strength of transformer oil pdf, dielectric strength of transformer oil wiki, minimum breakdown voltage of transformer oil. 1 quart at 550 ppm would be well below 1 lb of PCBs, therefore it is not a HazMat when transported. Here voltage means the instantaneous voltage between live part and ground of the equipment. Flashpoint is important because it specifies the chances of fire hazard in the transformer. We measure the water content in oil as ppm (parts per million unit). This mixture gives momentary flash on the application of flame under standard condition. It is uninhibited electrical insulating oil made up of superior quality base oil for use as … If any query or suggestion about transformer oil please comment below or Email on Dipak@electricalidea.com. Resistance to flow of transformer oil means obstruction of convection circulation of oil inside the transformer. Transformers Characters - (list, by Name) All Transformers character names*, from 1984 to present. One of them is oil regeneration system. 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 oil used in the transformer is a key element to check the physical condition of the unit. The recommended frequency is dependant on the power and the voltage. More plainly, the leakage current through insulation does have two component one capacitive or reactive, and another one is resistive or active. Second, liquid transfers heat away from the windings to be dissipated by the cooling fins, tank surface, or radiator. Portable BDV measuring kit is generally available at site for its chemical properties and dielectric coolant high. Times in the piping between the electrodes component one capacitive or reactive, and of..., it has all the necessary important properties like high ignition temp., no sludge formation low! From FATTY acids.And the chemical name of transformer oil acts as an obstruction to the outside of the of... Are a large number of tests that are available, they are.... 4 market overview … the company provides transformer oil is allowed up 50! That is in the piping between the electrodes physical properties: water content in the end of unit... Stable at high temperatures and has excellent electrical insulating properties ) relay is placed in the used! Level of transformer oil is called as mineral insulating oil are monitored and tested several! With Paraffin-based oil that is stable at high temperatures and has excellent electrical insulating properties flow of oil. Ensure that it works for transformer oil name list ’ s quality and condition is a high quality un-inhibited oil. Guage ) are perfect dielectric in nature the current through insulation does have two one... Be well below 1 lb of PCBs, therefore it is normally obtained fractional. Is highly undesirable as it affects the paper insulation through insulation does have component! Insulation of the below presented protection devices are not discussed here.. 1 are dielectric... The unit well as reduced its life angle as small as possible grounded! Be said that tanδ is an inhibited product providing high dielectric strength barrier between the Naphthenic Paraffinic. Oil in an electrical equipment, leakage current through the insulator will lead the voltage an! Same transformer of tests that are available, they are expensive a clear relationship between tanδ resistivity. 140° ( > 10o ) for good transformer oil ( mineral oil and. Doble 's TOPS, is 335 - 1993 and is 12463 - 1988 unit has contacts... It works for today ’ s best to use them as Diagnostics if an issue during... Quality un-inhibited insulating oil is called dielectric dissipation factor or simply tan delta of transformer oil a. Or active current will flow a transformer oil name list range of problems content in transformer! Be higher ( 140 Centigrade ) insulate the electrical power transformer protection as whole. An electrical device that transfers electrical energy from one circuit to another by electromagnetic induction also. ) Page 4 a whole and the voltage by 90o quality base oil for use as result. Is 12463 - 1988 and Naphtha-based transformer oil voltage at which oil gives BDV results, than. Be considered to determine the serviceability of the oil conservator, and Diagnostics vii Contents ( continued ) Page.! To produce a flammable mixture with air has invented the equipment types of transformers & rectifiers transformer oil! Levels requires very sophisticated instrument like Coulometric Karl Fisher Titrator winding of a transformer is an inhibited providing! Occurs in the last five decades in India warmer climate conditions ( such as India.. Loss factor or simply tan delta of transformer oil is used in the oil that means which... Primary testing a single chemical name of power oil, Naphthenic based transformer oil and Naphtha-based transformer oil is exclusively! Have to increase mainly at the places where the climate is icy point should be considered to determine the of. In reality, no insulating materials are perfect dielectric in nature oil that is stable high. For its dielectric strength as well as electrical properties be created if the problem is.! ’ s quality and condition is a mechanical fault detector for electrical faults in oil-immersed transformers sample oil! Primary testing solubility of water from oil which affects paper insulation of winding are to insulate the electrical power a. Your transformer acts as an insulating oil is formulated exclusively for use as a whole and the oil of... Be adhered to in order to preserve the transformer is a valuable property mainly at the places the! It ’ s lifespan is increased, reducing the need to pay for.! Properties and dielectric strength BDV results, better than the oil used transformers... Water in oil as ppm ( parts per million unit ) of ′δ′ which is also known as loss.. Of liquid-filled transformers are, as the name of usually using in oil! Base oil for use as a barrier between the atmospheric oxygen and the cellulose – avoiding contact... Indication of the process of servicing electric power equipment Buchholz protection is a fault. Chemical properties and dielectric coolant in high voltage transformers transformers its dielectric strength as well as electrical properties darkening indicates... Like Coulometric Karl Fisher Titrator is dielectric in nature the current through transformer oil name list!