UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
2 Overview
Issue 05 (2018-01-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15
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.