An introduction was made on the test methods for loading testing of the electric furnacetransformer with large capacity under incomplete test conditions.
The supply power degree of transformer must be carefully selected in the melting process of electric furnace, so that it is reasonable to supply power.
电炉冶炼过程中，应慎选变压器供电档位，以达到合理供电的目的。
3
MW DC arc furnace uses the current 2-transformer rectifier bridge thyristor controlled by adjusting the angle trigger to compose 24 pulse wave rectifier circuit.