Patrol Inspection of Current Transformer Operation
Dec 21, 2022| (1) Check that the porcelain part should be clean, free from damage, cracks, and discharge traces.
(2) Check that the oil level should be normal, the oil color should be transparent and not black, and there should be no leakage or leakage.
(3) Check that the current transformer should have no abnormal sound and burnt smell.
(4) Check that the lead wire connector on the primary side is firm, the crimping screw is not loose, and there is no overheating phenomenon.
(5) Check that the grounding wire of the secondary winding should be good, the grounding is firm, there is no looseness, and no breakage.
(6) Check that the terminal box should be clean, free from moisture, the secondary terminals are in good contact, and there is no open circuit, discharge or ignition.