Step 6 After installing copper bars and cables, check that battery strings are insulated
from the cabinet. Set a multimeter to the DC voltage mode and measure the
voltage between the uncoated part of the battery cabinet and the positive and
negative terminals of each battery string respectively. If the readings are less than
6 V DC, the insulation is good. Otherwise, contact technical support engineers.
Step 7 After checking that the battery strings are well insulated, close the front cover of
each battery module.
When closing the front cover on a battery module, check and arrange all cables of
the board (the cascading cable must be placed in the notch). Ensure that no cable
is squeezed by the covers.
Step 8 Attach PP sheets to the notches of the battery modules on the top layer to
prevent foreign matter from falling into the cabinet.
When attaching a sheet, align it with the edge of the front cover of battery
modules and ensure that the front cover can be opened and closed properly after
it is attached.
Figure 5-46 Attaching PP sheets (7+7 scenario used as an example)
Step 9 Reinstall the BCU.
SmartLi 3.0
User Manual (Short-Term Backup Power) 5 Installation and Cable Connection
Issue 10 (2024-01-31) Copyright © Huawei Digital Power Technologies Co., Ltd. 94
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