Power transmission operation steps

1 Install the back cover before closing the front door.

2 Operate and open the main shaft of the earthing switch.

3 Use a transfer truck (platform truck) to push the hand truck (in the open state) into the cabinet (test position).

4 Insert the secondary plug into the static socket (the test position indicator is on), and close the front middle door.

5 Use the handle to push the hand truck from the test position (opening state) to the working position (the working position indicator is on, the test position indicator is off).

6 closing circuit breaker handcart.

Power failure (repair) operation steps

1 Open the breaker handcart.

2 With the handle, withdraw the trolley from the working position (opened state) to the test position.

3 (Working position indicator is off, test position indicator is on).

4 Open the front middle door.

5 Pull the secondary plug out of the static socket (the test position indicator is off).

6 Use the transfer car to remove the handcart (in the open state) from the cabinet.

7 Operate and close the grounding switch spindle.

8 Open the back cover and the front lower door.

Note: The lower arrester handcart and the middle (lower) PT handcart can be pulled out of the cabinet directly when the bus is running.