Power Current Transformer operation maintenance and inspection

1) Regularly check the Power Current Transformer for overheating, check the wiring terminals for discoloration, and check for sundries in the terminal box.

2) Check the oil level gauge for oil leakage in time to ensure that the oil level meets the standard of use, and there is no oil leakage. Clean the porcelain part thoroughly to prevent discharge and rupture.

3) Regularly inspect the insulation of the Power Current Transformer, and check the oil quality of the oil-filled Power Current Transformer, and drain the oil according to the actual situation.

4) When checking the ammeter, check the three-phase indication value comprehensively to prevent overload operation and ensure that it is within the specified range.

5) Carry out a careful inspection of the goodness of the secondary side grounding wire to ensure that there is no breakage, and fix the loose parts. The secondary side of the Power Current Transformer in operation must not be open.

6) Check the output current. If there is a large current, check whether there is an alarm signal such as a broken wire, a differential current, or a line crossing.

7) Check the reliability of the grounding of the Power Current Transformer.

8) Make sure that the operating temperature of the Power Current Transformer is below 50°C.

9) If the Power Current Transformer has an insulation breakdown caused by factors such as overvoltage or moisture, the damaged Power Current Transformer needs to be repaired as it is.

10) After the Power Current Transformer is repaired, it needs to be tested in time, and it can be used only after the inspection meets the requirements.