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JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
6.6 Maintaining Inverters and PCSs (Applicable to LV
Coupling Scenarios Where the Inverter and PCS Are
Connected to the Same MCCB)
In the LV coupling scenario where the inverter and PCS are connected to the same
MCCB, when maintaining the inverter and PCS, ensure that the DC switches of the
PCS and inverter connected to the same MCCB are turned off.
In the LV coupling scenario where the inverter and PCS are connected to the same
MCCB, ensure that the power-on conditions are met before powering on the
inverter and PCS. For details, see
LV Coupling Scenarios Where the Inverter and PCS Are Connected to the
Same
Powering Off Inverters
Step 1 Send a shutdown command to the inverter and PCS connected to the same MCCB.
Step 2 Turn off the DC switches of the inverters.
Step 3 Turn off the upstream DC switches of the PCSs.
●
●
Step 4 Disconnect the corresponding MCCBs in the STS.
----End
Powering Off PCSs
Step 1 Send a shutdown command to the inverter and PCS connected to the same MCCB.
Step 2 Turn off the upstream DC switches of the PCSs.
●
●
Step 3 Turn off the DC switches of the inverters.
Step 4 Disconnect the corresponding MCCBs in the STS.
----End
Issue 02 (2023-09-30)
D ANGER
MCCB).
If a DC LV Panel is configured, turn off the switch of the PCS DC LV Panel
corresponding to the MCCB.
If no DC LV Panel is configured, turn off the PCS switch in the ESS
corresponding to the MCCB.
If a DC LV Panel is configured, turn off the switch of the PCS DC LV Panel
corresponding to the MCCB.
If no DC LV Panel is configured, turn off the PCS switch in the ESS
corresponding to the MCCB.
Copyright © Huawei Technologies Co., Ltd.
Inverter and PCS Status Check (Applicable to
6 System Maintenance
109
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