UPS5000-S-1600 kVA
User Manual
2 Overview
Issue 04 (2020-03-03)
Copyright © Huawei Technologies Co., Ltd.
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Figure 2-4
UPS conceptual diagram in bypass mode
2.2.2.3 Battery Mode
If the mains input is abnormal or the rectifier becomes abnormal, the UPS transfers to battery
mode. The power module obtains DC power from batteries, and the power is converted into
AC output by the inverter.