Current transformers are divided into metering current transformers, protective current transformers, zero-sequence protection current transformers, etc. They are transformers designed for different purposes. For metering current transformers, they are mainly used for electrical power measurement.

If a team or company want to do Electrical Substation Maintance or Electrical Substation Construction, to be a electrical substation contractors or electrical substation builders, need as following test equipment for supporting.

What tests should do for transformers in field?In order to ensure that transformer can function properly in fieldthe following tests should be performed:1) Transformer Temperature test: Temperature is a key factor to help judge whether transformer is running well or not. The upper oil temperature m