Huawei JUPITER-3000K-H1 Smart User Manual page 199

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
1.
2.
3.
4.
Replace measurement and control module 2 (CK2).
1.
2.
3.
4.
Procedure
Step 1 Remove the screws from the cable boxes on both sides of the measurement and
control module, and remove the cable boxes.
Step 2 Remove the screws from the PSU positioning kit and remove the PSU positioning
kit.
Step 3 Record the positions of cables connected to the measurement and control module,
and disconnect the cables.
Step 4 Remove the PSU (to be reused) of the measurement and control module. For
details, see
Module.
Step 5 Remove the screws from the bracket of the measurement and control module.
Step 6 Remove the bracket above the measurement and control module and take out the
measurement and control module.
Issue 02 (2023-09-30)
Turn off switch 1FB3 in measurement and control module 1.
Turn off the ACB (1QA) of LV PANEL A.
If there is a UPS, shut down the UPS inverter.
Turn off the vacuum circuit breaker (VCB) in the MV room.
Turn off switch 2FB2 in measurement and control module 2.
Turn off the ACB (2QA) of LV PANEL B.
If there is a UPS, shut down the UPS inverter.
Turn off the VCB in the MV room.
D ANGER
Before replacing the monitoring and control device, ensure that the secondary
side of the current transformer (CT) is short-circuited and the secondary side
of the potential transformer (PT) is open-circuited.
6.8.17 Replacing a PSU of the STS Measurement and Control
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
191