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Transformer Oil Uses : Thing You Needs To Know About It

Transformer Oil Uses

Transformer oil is a special kind of lubricant having exceptional electrical insulating capabilities. Due to its excellent insulating properties, it is also called insulating oil. It does not become unstable even at high temperatures and is, thus, used in electrical power transformers where it dissolves heat and prevents arcing. On submerging the cores and windings of a transformer into a lubricant, insulating oil acts as a coolant and protects these essential components. 

Uses of transformer oil

The applications of transformer oil are as follows:                                               

  1. Circuit breakers
  2. High voltage capacitors
  3. Fluorescent lamp ballasts
  4. In oil-filled transformers
  5. High voltage switches 

Transformer oil mainly acts as a coolant and insulator. And that is why oil is used in transformers. 

1.) Cooling: The design of transformer coils can have copper capable of carrying high current, due to which these components become extremely hot. As transformer oil is an excellent heat conductor, it can reduce copper coils’ temperature, effectively protecting them from burning. 

2.) Insulating: It can resist high voltage due to its high dielectric strength, giving ideal insulation within a transformer. 

Secure Your Power Infrastructure :Schedule Transformer Oil Testing in Vadodara

Transformer Oil Types 

Transformer oil has two types based on its applications:                               

1.) Naphthenic oil: it is derived from crudes that are exceptionally low in n-paraffin, and it is a mineral-insulating oil. The oil has some lower wax content, so its pour point remains considerably lower than its paraffinic counterpart and has a boiling point of around 425°C.

2.) Paraffinic oil: It is also a mineral-insulating oil with a substantial amount of n-paraffin in the crudes that it comes from. Such oils have a higher pourpoint than Naphthenic oil due to higher levels of n-paraffin. And their boiling point is 530°C.

In conclusion, transformer oil is used in electrical power transformers due to its properties, such as high insulation, stability at higher temperatures, dielectric strength, etc. Also, one can find the used transformer oil from the suppliers in the market. For more information regarding transformer oils and their uses, visit us at Laxmi Associates

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Junior and Senior Testing and Commissioning Engineers
Experience - B Tech/ Diploma Electrical Engineers with 2 - 5 Years Experience - 15 positions
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