Huawei UPS5000-H-400 kVA User Manual page 121

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Module)
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
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.
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Issue 02 (2021-04-22)
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
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7 Single UPS Commissioning
Step 1.
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