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Whar are the operation regulations of HV switchgear?
Jan 06, 2017


10kV High voltage switchgear operation regulations

1. Switching operation requirements

a. When the operator gets order from shift leader, he should take record of the content, repeat and verify, then operate.

b. Verify the operation place, double codes of equipment, check every items according to the operation permit.

c. Operators should wear the protection suits, one operates, another supervises.

d. Operators should be familiar with the operation mode of equipment and operation contents.

2. Operation procedures

Power supply operation

a. Check and verify the equipment and forbid operating without permission.

b. Check if the switch going to be closed is at test position.

c. Open the grounding disconnecting switch.

d. Check if the CB is at test position, energy accumulation circuit power indication light is on.

e. Turn the switch to working position by the handle and the status indicator on the cabinet indicates working position.

f. Push CLOSE button to close CB and observe the close indication light is on and electrified indicator is on.

g. Make sure everything is normal and the power supply operation is done, put running mark.

Power off operation

a. Check and verify the equipment and forbid operating without permission.

b. Push OPEN button to open CB and observe the open indication light is on and electrified indicator is off.

c. Turn the switch to test position by the handle and the status indicator on the cabinet indicates test position.

d. Observe the electrified indicator light is off, make sure everything is normal. Power-off operation is done.

e. Close grounding disconnecting switch(operate when maintain).

f. put power-off mark.


3. Operation record           

Take record in shift log and operation record for check.