UPS5000-S-300 kVA User Manual
(3P3W, 200 V)
2 Overview
Issue 01 (2020-03-06)
Copyright © Huawei Technologies Co., Ltd.
18
Figure 2-5
Conceptual diagram in joint power mode
2.2.2.4 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.