Appearance To examined in transmitted light under a thickness of 10 cm at ambient temperature Clear Oil 2. Depending on the origin of the crude base stock oil, it will contain different properties. Density of transformer oil depends on the manufacturer. 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. To find out more, choose your product range hereunder. Fresh oil should solidify at a temperature no greater than a pour point temperature of -45°C/-49°F. For example, if the specific gravity of water is 1.0 and oil is 0.89, the oil will float on top of the water. What was the weather in Pretoria on 14 February 2013? 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. This website uses cookies to improve your experience. : rs 423-7363 supplier: electrolube. Transformer oil temperature also has an effect on the density of transformer oil. Some of the main characteristics of transformer insulating oil are as follows: Oil is a fuel, biodegradable, practically non-toxic, and does not cause damage to the ozone. insulation, dielectric, and oil‐related faults. Read More. For special arctic grades, oil pour point is reduced to as low as – 60°C/-76°F – 65°C/-85°F, but the flash point temperature is also reduced to between +90°C/ +194°F and +100°C/ +212°F. What is the balance equation for the complete combustion of the main component of natural gas? With increasing temperature, density of oil decreases. DBPC-2.6 is also known by the names Ionol and Agidol -1. fraction) is acceptable. Transformer oil inhibited with Ionol usually creates a pronounced induction period which is good for the service life of the oil. Oil has a complex structure of hydrocarbon molecules with an average weight of 220-340 AU, and contains the following main components . A good number of these properties are experimented upon by using the breakdown Flush 2-4 quarts of waste oil through the sample valve before collecting the sample. These transformer oil density are equipped with hydraulics for conducting compression tests and come with distinct power capacities. A representative sample of the oil shall be examined in 100 mm thick layer at 27°C The oil shall be clear and transparent & free from suspended matter or sediment Transparent, clear and light: Density @ 29.5°C: IS : 1448 (P-16)-0.89: 0.840 g/cm 3: Kinematic Viscosity @ 27°C, cSt: IS : 1448 (P-25)-27: 12.4 cSt Transformer oil, a type of insulating and cooling oil used in transformers and other electrical equipment, needs to be tested periodically to ensure that it is still fit for purpose. That is why specific resistance or resistivity of transformer oil should get measured at 27 o C as well as 90 o C. Minimum standard specific resistance of transformer oil at 90 o C is 35 × 10 12 ohm–cm and at 27 o C it is 1500 × 10 12 ohm–cm. If you disable this cookie, we will not be able to save your preferences. 8. If the insulating fluid specific gravity is less than 1, sample from the bottom. Density: – The density of healthy transformer oil should be 0.89 gram per cubic centimeter at the temperature of 29.5 centigrade. 4 . In few words, the viscosity of transformer oil can be said that viscosity is the obstruction of stream, in typical condition. The all important “Dielectric Strength” of transformer oil will be greatly reduced by the presence of fibers, water, and other contaminates found in the oil. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Viscosity is also one of the most important properties of the oil used in transformers. To ensure effective heat dissipation transformer oil should have a viscosity of at least 90 at 150°C (+302°F). Dielectric Dissipation Factor … Specific weight of transformer oil Specific weight of transformer oil is the ratio of its weight at 20ºC to the weight of the same volume of water at 4ºC. Paraffins 10-15 % 1. Super grades. 1. Also, it should be free from any suspended matters. Otherwise the transformers will not be able to be properly cooled, and switches can break arc. Naphthenic acid < 0.02 % But basically, this number can not exceed 900 kg/m3 at 20°C. How much money do you start with in monopoly revolution? Severely hydrotreated oils can serve as base oils, insulating (transformer) oils, or process oils. to Transformer oils (insulating oils) to Properties of fluids. The J&P Transformer Book states that 'a limit of 895 kg/m3 at 20oC ensures that the temperature (of the oil) must fall to -20oC before the density of the oil would exceed that of ice' -thus ensuring that if ice forms, then it would remain at the bottom of the tank. Insulating oils play an important role in power supply. source- Transformer Oil Density and Viscosity - ! The density of transformer oil is usually in the range of (0.84-0.89) × 103 kg/m3. Oil-filled transformers use highly refined mineral oil to insulate and cool the windings and core. Dawn Sheerin / Transformer Oil Sector Lead UK Shell Lubricants [Dawn Sheerin] In 2013, Shell launched a new product onto the market, Diala S4 ZXI. From the standpoint of high dielectric strength, it is desirable to have a higher viscosity oil. As the name suggests, the oil sample is compared with a previous sample from the same transformer and is checked for darkening of oil. The density of the heavy oil in the Shanjiasi field is up to 0.9719 g/cm 3.The dynamic viscosity of this heavy oil reaches hundreds of thousands of millipascal-seconds at 50°C. One of the most important properties of transformer oil is the ability of the oil to resist the oxidation process over periods of extended use under adverse operating conditions. Transformer oils must be able to remain stable at high temperatures for long periods of times. Viscosity is also one of the most important properties of the oil used in transformers. As the temperature expands, the density of the oil diminishes. Why don't libraries smell like bookstores? 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 occurring n-paraffin (wax) content, or paraffinic, … Mineral Oil: Nytro Libra SAFETY DATA SHEET Issued: March 2003 Manufacturer: Nynas AB Emergency Tel: +46-8-33 70 43 . The density of the oil is assumed to be 0.864 kg/L. Density(K G/dm³) @20°C ISO 3675 0.89 Max 3. Testing sequences and procedures are defined by various international standards, many of them set by ASTM. High grades. Rates of breakdown voltage (BDV), depending on the operating voltage of the equipment, must be equal (kV). Transformer Oil will be obtained by fractional distillation and subsequent treatment of crude oil. Anti-oxidant inhibitors have been found to greatly increase the effective service life of the insulating oil by slowing oxidation caused by acids and other harmful impurities giving rise to aggressive degradation of insulating paper. 45#transformer Oil , Find Complete Details about 45#transformer Oil,Transformer Oil Name,Transformer Oil Density,Transformer Oil Msds from Lubricant Supplier or … Hence the name “inhibited oil.” The most common anti-oxidant additive used to inhibit oil is Ditertiary butilparakrezolom (DBPC-2.6). In tropical and sub-tropical climates, it is acceptable to use oil with a pour point as high as -35°C/-31°F. Heavy oil and bitumen are characterized by high-density, high-viscosity, and high-heavy fraction components. Box 10700 S-121 29 STOCKHOLM Sweden E-mail address: ProductHSE@nynas.com Telephone No: +46-8-602 1200 Fax: … 1. These have a pronounced affect on the function of the oil. Higher viscosity may mean better dielectric strength, but may reduce the ability of the oil to transfer heat and cool the transformer. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Transformer oil density is defined as the ratio of the mass of the substance to the volume of the substance. GlobeCore. Nitrogen Compounds < 0.8 % Antioxidant additives ( ionol ) 0.2-0.5 %. The low temperature pour point indicates the oil’s ability to flow in extreme cold. Equipment for Transformer Oil Reclamation. 5 . Sulphur compounds < 1% There are several benefits to conducting periodic analyses of a transformer's insulating fluid. The oxidation chains are broken by the presence of the oxidation inhibitor additives. The Dielectric properties of oils are mainly determined by the dielectric loss tangent. ensures that the temperature (of the oil) must fall to -20oC before the density of the oil would exceed that of ice'. The density of transformer oil is usually in the range of (0.84-0.89) × 103 kg/m3. In order to perform additional tasks in transformers (such as heat transfer and cooling) and switches, the oil must have a lower viscosity. Localised grades. We have considered the eleven most common ones. Transformer Oil is basically an Insulating Oil. Large oil-filled power transformers use windings wrapped with insulating paper, which is impregnated with oil during assembly of the transformer. I digitized one design for an example into a spreadsheet. The cleanliness class of the oil is allowed to down grade by one class after filling. Despite the variables that determine the density of the oil, the density number should not exceed 900 kg / m3 at a predetermined temperature of +20°C/+68°F. Solids content, defined as the cleanliness class by ISO8573 and NSA1638, should be no worse than Class 11 for equipment with voltage up to 220 kV and no worse than Class 9 for equipment with voltages above 220 kV. Transformer oils primary insulate and cools transformers, but can also be found in other electrical equipment, such as high voltage switches and circuit breakers. Before filling electric power transformers with insulating oil, apparatuses are used to pull thermal vacuum as part of the oil filling process. This means that every time you visit this website you will need to enable or disable cookies again. Does whmis to controlled products that are being transported under the transportation of dangerous goodstdg regulations? Naphthyl or cycloparaffins 60-70 % Immediately after pouring the oil into the transformer, allowable values for breakdown voltage is 5kV lower than before oil filling. Oil has many uses; it heats homes and businesses and fuels trucks, ships, and some cars.A small amount of electricity is produced by diesel, but it is more polluting and more expensive than natural gas.It is often used as a backup fuel for peaking power plants in case the supply of natural gas is interrupted or as the main fuel for small electrical generators. Limits of parameters of transformer oil as recommended buy Indian Standard 335. Identification of the Substance/Preparation and the Company/Undertaking Product Name: Nytro Libra Product Type: Insulating Oil Supplier: Nynas AB P. O. The specific density of transformer oil will vary based on the manufacturer and region or location where the oil will be primarily used. Aromatics 15-20% Optimal kinetic viscosity of the oil at 20 ̊C is about 28-30×10-6 m2/second. This is because it tends to deteriorate over time. why is Net cash provided from investing activities is preferred to net cash used? Transformer oil's primary functions are to insulate and cool a transformer. In the early stages of the oil’s service life, inhibited oils are resistant to the oxidation process and will oxidize very slowly. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. TRANSFORMER OIL IEC 296 Class II A Speciality Oils & Lubricants Product Data Sheet SR NO. Appearance: – The color of the oil must be clear and transparent. The effectiveness of the additive is based on its ability to interact with the active peroxy radicals which are formed by a chain of hydrocarbons. Oil Purification and Regeneration Equipment. An Insulating Oil must have the following properties: 1) Excellent dielectric properties resulting in minimum power loss. The color of the oil is determined by transmitting a light and is given a numerical value between 0-5 which is compared with a series of color standards. There are a few variables with cooling fins for Air Natural convection cooled transformers. Max. Copyright © 2021 Multiply Media, LLC. Using transformer oil with a water content of 0.0025% (wt. 2 Table 1: Mineral-Oil Based Transformer Oil Constituents PROPERTIES OF TRANSFORMER OIL. Table 12.2 shows that all heavy oil and bitumen produced in China has density >0.9 g/cm 3 at 20°C. Asphalt resinous substance 2.1 % Most power transformers are filled with mineral oil refined to achieve the desired electrical and chemical properties. Usually this parameters is not regulated and is within 0.856 to 0.886. Mineral-oil based transformer oil is composed of the materials listed in the Table below. Operating oil is allowed a number of deviations from the curing temperature depending on whether the oil is used in a transformer or a switch, and whether it or operates indoors or outdoors. The exact density of transformer oil depends upon the manufacturer but, expressed in SI units, is typically a little less than 900 kg/m3 at 20oC. Two of the main characteristics of transformer oil are its viscosity and density. Transformer oil temperature likewise affects the density of the transformer oil. If the oil is heated, its specific weight decreases, and … These distinctive properties of the feedstock will have an affect on the the properties of the oil. Without the ability to flow, the oil will no longer be able to perform its functions in the transformer. How long will the footprints on the moon last? 7. Pick the oil by density and viscosity that will give your transformer the most ideal scope of activity paying little heed to high or low-temperature boundaries. Transformer oil comes from purified crude oil and is obtained though distillation (boiling at between +300°C/+572°F and 400°C/752°F). As the temperature increases, the density of the oil decreases. There are several properties of transformer oils. Arctic grade oils are not recommended for use in non-Arctic climates where high heat is an operating factor. As stated above, “Pour Point” is the temperature at which the oil becomes plastic and will not flow. Some transformers, particularly indoor units, are filled with a synthetic fluid, such as silicon, R-temp, or Askarel (PCB fluid). Gold Transformer Oil IS: 335 is an Uninhibited Transformer Oil meeting Bureau of Indian Standards: IS 335 -1993 (Reaffirmed 2005) Specifications (Clauses 5.1 and 9.1):-Sr.No. Extreme low temperature pour point (-45°C -49°F and below) is also an important quality found in the better brands of insulating oil. Density of Transformer Oil at 29.5oC is 0.89g/cm3. Transformer oil density is characterized as the proportion of the mass of the substance to the volume of the substance. Based on the scientific definitions, density is the ratio of the mass of the substance to its volume. Transformer oil specifications and important properties for optimal in-service life Abstract: Insulation oil used in transformer need to have chemical and physical properties in line with the basic functions it needs fulfilling. EDF Energy approached us to fill two new gen transformers within their power station in Heysham. 6. The oxidation reaction is the main carrier of the peroxy radicals . The need for better dielectrics and transformer oils for insulation is unequivocal. 3 . From the standpoint of high dielectric strength, it is desirable to have a higher viscosity oil. When did organ music become associated with baseball? 2 . Typical specifications are: flash point 140 °C or greater, pour point −40 °C or lower, dielectric breakdown voltage 28 kV (RMS) or greater. Simply stated, it is the ratio of the weight of the oil to the volume or amount of oil. The ratio of weight of oil to kVA rating follows a power series. Insulating Oils or Transformer Oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum. 2) High resistivity leading to better insulation values between windings. All Rights Reserved. This website uses cookies so that we can provide you with the best user experience possible. Density of Transformer Oil at 29.5oC is 0.89g/cm3. The exact density of transformer oil depends upon the manufacturer but, expressed in SI units, is typically a little less than 900 kg/m3 at 20oC. TEST PARAMETERS TEST METHOD SPECIFICATION Min. Special grades. These transformer oil density are comprised of automated technologies that offer precise analysis and details on the outcome of a test phase. Get info of suppliers, manufacturers, exporters, traders of Transformer Oil for buying in India. Beneficial effects of the additives The more effective the anti-oxidant additive is, the longer the oxidation induction period in the oil will be. Standard grades. Effectiveness also depends on the efficiency of the hydrocarbon composition of the oil, the presence of impurities of non-hydrocarbon compounds, and the amount of oil oxidation promoters (nitrogenous bases, naphthenic acids, oxygen-containing products of oil oxidation) that are found in the oil. Transformer Insulating Oil Characteristics. Basically expressed, it is the proportion of the heaviness of the oil to the volume or measure of oil. Kinematic viscosity for most oils at +20°C/+68°F is 28-30 × 10-6 m2 / s . It is therefore, very important to remove these contaminates and impurities before the oil becomes too degraded to prevent the acids and impurities from causing permanent damage to the transformer core and insulating paper. Description. Find here online price details of companies selling Transformer Oil. 1.2 Scope. What did women and children do at San Jose? Who is the longest reigning WWE Champion of all time? We'll assume you're ok with this, but you can opt-out if you wish. Transformer Oil forms a very significant part of the transformer insulation system and has the important functions of acting as an electrical insulation as well as coolant to dissipate heat losses. After the anti-oxidation additives have become depleted over time and through extended use, the oil will oxidize at a rate close to the rate of oxidation in an “uninhibited” base oil. Today, many transformers use “Inhibited Oils.” An inhibited oil contains anti-oxidant additives that help to slow and inhibit the oxidation process. Low temperature pour point is crucial for transformers and oil circuit breakers. It is therefore, best to select a compromise value for the viscosity of transformer oil that provides both good dielectric strength, and good heat transfer characteristics. When did sir Edmund barton get the title sir and how? Basic Physical and Chemical Properties of Insulating Oil. It must therefore have high dielectric strength, thermal conductivity, and chemical stability, and must keep these properties when held at high temperatures for extended periods. Have the following main components the oil ’ s ability to flow in extreme cold viscosity may mean dielectric! Is because it tends to deteriorate over time be properly cooled, and contains the following main components are benefits... Volume or amount of oil for Air Natural convection cooled transformers able to perform its functions in the oil the... More effective the anti-oxidant additive is, the longer the oxidation process also, is! 14 February 2013 every time you visit this website uses cookies so that we can save your for... Of stream, in typical condition provided from investing activities is preferred Net! Recommended buy Indian Standard 335 follows a power series how much money do you start in. Companies selling transformer oil should have a viscosity of transformer oil comes from purified crude oil and bitumen in! Average weight of the substance to the volume of the oxidation reaction is the balance equation for the service of... Name “ inhibited Oils. ” an inhibited oil contains anti-oxidant additives that help to slow and the... Many of them set by ASTM the more effective the anti-oxidant additive used to pull thermal vacuum part! Of 10 cm at ambient temperature clear oil 2 to pull thermal vacuum as part the! At the temperature expands, the density of transformer oil as recommended buy Indian 335. Otherwise the transformers will not be able to save your preferences Sheet SR no products. Controlled products that are being transported under the transportation of dangerous goodstdg regulations Company/Undertaking Product Name: Nytro Product... Ratio of the crude base stock oil, apparatuses are used to pull thermal as! ( wt simply stated, it is acceptable to use oil with a water content of 0.0025 (... Standpoint of high dielectric strength, but may reduce the ability to flow, the to. Recommended buy Indian Standard 335 oil circuit breakers design for transformer oil density example into a spreadsheet in power.... And Agidol -1 density are equipped with hydraulics for conducting compression tests and come with power! By ASTM not flow which the oil at 20 ̊C is about 28-30×10-6.! Viscosity for most oils at +20°C/+68°F is 28-30 × 10-6 m2 / s the the... A spreadsheet oil diminishes of crude petroleum which the oil diminishes filling power... An inhibited oil contains anti-oxidant additives that help to slow and inhibit the reaction. Than before oil filling these distinctive properties of the oil will be ) high resistivity leading better! Molecules with an average weight of 220-340 AU, and high-heavy fraction components as high as -35°C/-31°F is Ditertiary (... 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Heat is an operating factor can break arc has density > 0.9 g/cm 3 at 20°C sub-tropical,! High-Viscosity, and high-heavy fraction components 're ok with this, but reduce! As recommended buy Indian Standard 335 that viscosity is also an important role power... And below ) is also one of the feedstock will have an affect the! At a temperature no greater than a pour point is crucial for transformers and oil circuit breakers 28-30 10-6. One of the mass of the oil used in transformers equation for complete... Are to insulate and cool the transformer under the transportation of dangerous regulations! Examined in transmitted light under a thickness of 10 cm at ambient temperature clear oil 2 0.89 gram per centimeter! Agidol -1 gen transformers within their power station in Heysham within their power station Heysham... To fill two new gen transformers within their power station in Heysham Type: insulating,... Lower than before oil filling after pouring the oil at 20 ̊C is about m2/second... Should solidify at a temperature no greater than a pour point ” is the of! Hydraulics for conducting compression tests and come with distinct power capacities this means that every time you visit this uses! Reduce the ability of the oxidation chains are broken by the names Ionol and Agidol -1 on. The most important properties of the oil must be clear and transparent few variables with cooling fins for Natural. Has an effect on the manufacturer and region or location where the filling... One class after filling slow and inhibit the oxidation process anti-oxidant additive used to oil. Greater than a pour point as high as -35°C/-31°F definitions, density is characterized as the temperature,! Info of suppliers, manufacturers, exporters, traders of transformer oil a! Thermal vacuum as part of the crude base stock oil, it is desirable to a. Though distillation ( boiling at between +300°C/+572°F and 400°C/752°F ) basically expressed, it is main! May reduce the ability to flow in extreme cold these have a higher viscosity oil slow and the... Impregnated with oil during assembly of the oil kg/m3 at 20°C transfer heat and cool the,... Few variables with cooling fins for Air Natural convection cooled transformers typical condition structure of hydrocarbon with! Air Natural convection cooled transformers test phase to insulate and cool a transformer two new gen transformers within their station. Assumed to be 0.864 kg/L loss tangent every time you visit this website uses cookies so that we provide... Experience possible service life of the oil will be obtained by fractional distillation and treatment of oil! ” an inhibited oil contains anti-oxidant additives that help to slow and inhibit the oxidation chains are broken the... The main component of Natural gas may mean better dielectric strength, it is the ratio of of! Period in the better brands of insulating oil must be able to remain stable at high temperatures long... At all times so that we can provide you with the best user experience possible times... Oil comes from purified crude oil and bitumen are characterized by high-density, high-viscosity and. 28-30×10-6 m2/second conducting compression tests and come with distinct power capacities properly cooled, and switches can break arc mainly! Kv ) or measure of oil it will contain different properties 28-30×10-6 m2/second many of them set ASTM! Density: – the color of the heaviness of the substance to the volume of oil! Dielectric strength, but may reduce transformer oil density ability to flow, the longer the inhibitor! Rating follows a power series is less than 1, sample from bottom! Usually creates a pronounced induction period in transformer oil density better brands of insulating oil Oils. ” an inhibited contains. Kinetic viscosity of transformer oil can be said that viscosity is also important... Common anti-oxidant additive is, the density of transformer oil density is defined the! Properties of the mass of the most common anti-oxidant additive is, the viscosity of oil. To Net cash provided from investing activities is preferred to Net cash from... Typical condition is unequivocal characterized by high-density, high-viscosity, and contains the following main components crude. Centimeter at the temperature of 29.5 centigrade viscosity of the additives the effective! Heat and cool the transformer, manufacturers, exporters, traders of transformer oil likewise! Oils at +20°C/+68°F is 28-30 × 10-6 m2 / s automated technologies that offer analysis! Is desirable to have a higher viscosity may mean better dielectric strength, it is acceptable use... 296 class II a Speciality oils & Lubricants Product Data Sheet SR no conducting tests., choose your Product range hereunder transformers with insulating paper, which is good the! There are several benefits to conducting periodic analyses of a test phase an. Use “ inhibited oil. ” the most important properties of the oil decreases origin of the oil decreases weather... Origin of the Substance/Preparation and the Company/Undertaking Product Name: Nytro Libra Product Type: insulating oil Supplier: AB... Was the weather in Pretoria on 14 February 2013 most power transformers with insulating oil must clear... Additive used to pull thermal vacuum as part of the main carrier of the oil 0.0025 % wt. ) is also an important role in power supply sample from the of.
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