Transformer Insulating Oil

Insulating oils or transformer oils are mineral electrical insulating oils processed from fractional distillation and treatment of crude petroleum.

Transformer insulating oil.

It is normally obtained by fractional distillation and subsequent treatment of crude petroleum. Transformer oil is basically an insulating oil. The insulating oil in a power transformer performs two major functions. English south africa description.

Now there are two main reasons for using this insulation oil in power transformers. First it serves as electrical insulation to withstand the high voltages present inside the transformer. Insulating oil in an electrical power transformer is commonly known as transformer oil. That is why this oil is also known as mineral insulating oil transformer oil serves mainly two purposes one it is liquid insulation in electrical power transformer and two it.

Insulation in oil immersed transformers the most common insulation today for high voltage windings in transformer is an enamel coating on the wire with kraft paper used between layers. Thus the oil must maintain good electrical properties while. Introduction of insulating oil. Testing sequences and procedures are defined by various international standards many of them set by astm.

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. Electrical transformers need an adequate insulation. One of the most important components of insulation system is transformer insulating oil. Sasol electrical insulating oil 15 is a naphthenic oil specially refined to have high dielectric strength and good long term oxidation.

Act as a coolant. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. Electrical insulating oil 15. 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.

It is a fluid or liquid substance that is common for transformer system and known as the most popular insulating material all over the world. English south africa safety datasheet. An insulating oil must have the following properties. 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.

Second it functions as a heat transfer medium to dissipate heat generated within the transformer windings. 2 high resistivity leading to better insulation values between windings. 1 excellent dielectric properties resulting in minimum power loss. Transformer oil testing consists of measuring breakdown.

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. This oil used to collect through the partial distillation of crude petroleum. Generally the oil we use for the electrical power transformer insulation and cooling purpose is called the transformer oil or insulating oil.