Safety technical measures for maintenance of the h

2022-09-19
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Safety technical measures for maintenance of high and low voltage switches

c. safety measures for maintenance of high and low voltage switches:

1. Handle the power cut work ticket for the corresponding maintenance work, swing the switch to the maintenance position or pull it out of the cabinet, and hang the sign "no switching on, someone working" on the corresponding power cut switch

2. Before starting the work, the person in charge of the work shall explain the safety measures and the scope of power failure to the staff in detail at the maintenance site. For the two product network switches that seem to be out of touch, such as the bus coupler switch and the coupler, which cannot implement the measures of power failure and improve the comfort, the warning sign of "this switch is energized" should be hung at the eye-catching part in front of and behind the switch cabinet

3. When the 6kviia section is overhauled, resulting in oil leakage of equipment, an industrial isolation zone should be set between 6kviia section and 6kviib section and 6kV standby section. The South and North doors in the east of 6kvii section distribution room should be closed. Maintenance personnel should enter and leave from the south door in the West. It is strictly forbidden to cross the isolation zone during work

4. When overhauling 6kviib section, an industrial isolation belt should be set between 6kviia section, 6kviib section and 6kV standby section according to the location of scratches. The South and North doors in the west of 6kvii section power distribution room should be closed. Maintenance personnel should enter and leave from the south door in the East. It is strictly forbidden to cross the isolation belt when working

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