Huawei UPS5000-E-200K-SM User Manual page 197

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Step 4 Power on the parallel system.
1.
2.
3.
4.
5.
If the input power is normal, the rectifier starts automatically. The MDU starts and
displays the progress bar. Wait until the MDU starts properly.
Step 5 Check that the software versions of all UPSs are consistent.
On the LCD of each UPS, choose System Info > About > Version Info and check
whether all software versions are consistent. If not, update all software versions to
be consistent.
Step 6 Set parallel parameters for each UPS.
1.
2.
Issue 17 (2023-07-10)
Turn off the external output power switch for each UPS to ensure that the
UPS outputs are independent of each other.
Turn on the general bypass and mains input switches.
Turn on the internal bypass input switch of each UPS.
Turn on the internal output switch of each UPS.
Turn on the internal mains input switch of each UPS.
NO TE
If you turn on the internal input switch prior to the internal output switch, an alarm
indicating neutral wire missing may be generated. This alarm is normal and does not need
to be handled before the mains input switch is turned on.
System Settings: On the LCD, choose System Info > Settings > System
Settings. Alternatively, on the WebUI, choose Monitoring > UPS System >
Running Parameter > System Settings.
Table 5-1 System Settings
Item Setting
Single/Parallel Parallel
Parallel ID Number UPSs in
sequence
(example: 1, 2,
3, 4).
Requisite UPSs Sets it based on
the actual
number of UPSs.
Redundant Sets it based on
UPSs the actual
number of UPSs.
Battery Settings: On the LCD, choose System Info > Settings > Battery
Settings. Alternatively, on the WebUI, choose Monitoring > Battery System >
Running Parameter > Battery Settings.
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 Parallel System Commissioning
Description
-
-
– In a parallel system, the two
parameters must be set to the
same values for all UPSs.
– The total number of UPSs in a
parallel system is the sum of
Requisite UPSs and Redundant
UPSs.
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