This standard specifies the basic requirements, operation condition, operating maintenance, abnormal operation and treatment, as well as requirements for installation, overhaul, test and acceptance related to the power transformer (hereinafter referred to as "the transformer").
This standard is applicable to 35kV~750kV power transformers and may be used as a reference for the converter transformer, reactor and auxiliary transformer used for power plant. The imported power transformers comply with this specification generally and may refer to the manufacturer's provisions if necessary.
