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02
Apr

What are the features, oil immersed transformer vs cast resin dry transformer?

Power transformers can be divided into dry transformers and oil-immersed transformers according to the cooling mode. Most dry transformers are cast resin. Then what are the features, Oil Immersed Transformer vs cast resin dry transformer? To know this can help us to choose right type of transformers.

oil transformer characteristics:

Oil-type transformers take away heat by natural convection of oil. The oil-immersed air cooling system is based on the oil-immersed self-cooling system, and the fan is added to blow the oil tank and oil pipe to enhance the heat dissipation effect. Forced oil circulation is to pump the hot oil inside the transformer to the outside of the transformer for cooling, and then into the transformer.

Resin cast dry transformer characteristics:

Safe, fire prevention, no pollution, can be directly operated in the load center;

2.High mechanical strength, short circuit resistance, small partial discharge, good thermal stability, high reliability, long service life.

Low loss, low noise, obvious energy-saving effect, maintenance-free;
Good heat dissipation performance, strong overload capacity, can improve the capacity of operation when forced air cooling;

5.Good moisture proof performance, suitable for high humidity and other harsh environment.

Oil Immersed Transformer vs Cast resin dry transformer