Patrol inspection run by Electrical Current Transformer

(1) Check the porcelain part should be clean, no damage, no cracks, no traces of discharge.

(2) Check that the oil level should be normal, the oil color should be transparent and not blackened, and there should be no oil leakage or oil leakage.

(3) Check that there should be no abnormal sound and burnt smell in the Electrical Current Transformer.

(4) Check that the lead connector of the primary side should be firm, and the crimping screw should not be loose or overheated.

(5) Check that the grounding wire of the secondary winding should be in good condition, and the grounding should be firm, without looseness or breakage.

(6) Check that the terminal box should be clean, free from moisture, and the secondary terminals are in good contact, and there is no open circuit, discharge or ignition.