The impact closing test of a transformer does not necessarily have to be conducted from the high voltage side, which is related to the application scenario of the transformer. Generally, this test is conducted in conjunction with the operation of the transformer. Due to the fact that most of the tra
When a power transformer is working normally, the transformer core and clamps are usually grounded at one point. If there are two or more grounding points on the iron core or clamping components, a closed circuit is formed between the two points. Under the action of the transformer leakage magnetic
I. The impact closing test of the transformer does not necessarily have to be conducted from the high voltage side, which is related to the application of the transformer. Generally, this test is combined with the operation of the transformer. Since most of the transformers we use are step-down tran
The winding is the heart of the transformer and the core of the transformer transmitting and converting electrical energy. Reliable winding insulation is the basic guarantee for the long-term safe operation of the transformer. Winding insulation becomes particularly important for high voltage transf
I. Causes of multi-point grounding faults in transformer iron cores1) The iron core is connected to the outer shell. Loose displacement of the iron core and metal components left at the lower part of the iron core (such as screw caps, metal powder and wires from the grinding of submersible pump bear