Huawei FusionModule1000A40 Commissioning Manual page 53

FusionModule1000A40 Prefabricated All-in-One Data
Center
Commissioning Guide
You can also choose System Info > Maintenance. In the Maintenance screen, start the inverter.
Step 5 After the inverter starts, the UPS works in normal mode. The Bypass mode alarm disappears
from the MDU. Check that the UPS has transferred to normal mode by viewing the system
running diagram.
Step 6 Set battery parameters.
On the UPS main monitoring screen, tap System Info > Settings > Basic Param. and set the
battery capacity and number of cells based on the actual configurations. A 2 V battery is a cell.
If a battery is 12 V, the number of cells is equal to the number of batteries multiplied by 6. If a
battery is 2 V, the number of cells is equal to the number of batteries.
Number of cells indicates the number of 2 V batteries connected to the UPS. The Number of
cells parameter affects the charge voltage and discharge time. Incorrect setting will cause a
high or low charge voltage, which greatly shortens the battery lifespan. In addition, the UPS
may shut down in advance during discharging, which may result in data backup failure.
8-1 lists the examples about how to set the battery parameters.
Table 8-1 Battery parameter settings
Battery
Specifications
40 Ah/12 V
100 Ah/12 V
Issue 04 (2020-01-17)
Figure 8-2 Starting the inverter
Number of
Batteries
40 batteries
connected in
series
32 batteries
connected in
series
Copyright © Huawei Technologies Co., Ltd.
8 Commissioning Core Components
Number of Number of
Battery Cells
Strings
Three battery
40 x 6 = 240
strings
connected in
parallel to the
UPS
Two battery 32 x 6 = 192
strings
connected in
parallel to the
UPS
Table
Battery
Capacity
40 Ah + 40 Ah
+ 40 Ah = 120
Ah
100 Ah + 100
Ah = 200 Ah
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