Figure 7-4 Normal bypass
After you shut down the inverter, the UPS supplies no power if the bypass is
abnormal, which causes a power failure for the loads.
Figure 7-5 Abnormal bypass
NO TE
To shut down the inverter and transfer the system to bypass mode, check that the UPS has
not generated an alarm and perform
Step 2 After the inverter shuts down, turn off the downstream output switch.
Step 3 Switch off the battery string circuit breaker. If there are multiple battery strings,
switch off the general circuit breaker between battery strings and the UPS and
then switch off the circuit breaker for each battery string.
Step 4 Turn off the upstream mains and bypass input switches.
----End
UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Modules)
7 Single UPS Commissioning
Issue 05 (2021-10-13)
Copyright © Huawei Technologies Co., Ltd.
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