6 VRLA Battery Management
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
LCD Operation
Figure 6-2 Setting boost charging parameters on the LCD
6.2 Low Voltage Disconnection Protection
Principles
If an AC input is abnormal, batteries start to power loads. In this case, the SMU01C drives
contactors to disconnect loads and batteries in sequence based on preset disconnection
parameters. After the AC input resumes, the rectifiers begin to power loads and charge
batteries.
Parameters
Table 6-3 LVD parameter description
To enable or disable
the BLVD.
If the BLVD circuit
is powered off,
disabling the BLVD
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