Huawei UPS5000-H Series - Cold-Starting the UPS Using Batteries

Figure 7-5 Normal bypass
Figure 7-6 Abnormal bypass
Step 2 After the inverter shuts down, turn o the downstream output switch.
Step 3 Switch
o the battery string circuit breaker. If there are multiple battery strings,
switch o the general circuit breaker between battery strings and the UPS and
then switch
o the circuit breaker for each battery string.
Step 4 Turn o the upstream mains and bypass input switches.
----End
7.3 Cold-Starting the UPS Using Batteries
Lead-Acid Battery Cold Start
Step 1 Check that batteries are properly connected. Use a multimeter to measure the
voltage of each battery string. The value should be greater than the
specied
value (Voltage of a single battery x Number of batteries in the battery string).
Step 2 Turn o the mains and bypass input switches in the external input PDC, and
switch on the battery circuit breaker. If there are multiple battery strings, switch
on the circuit breaker for each battery string and then the general circuit breaker
between the battery strings and the UPS.
UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module) 7 System Commissioning
Issue 01 (2020-11-30) Copyright © Huawei Technologies Co., Ltd. 74