UPS5000-S-600 kVA
User Manual (Three-phase, Three-wire)
2 Overview
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
18
Figure 2-4
UPS conceptual diagram in bypass mode
2.2.2.3 Joint Power Mode
If the UPS works properly and the AC input power of the rectifiers is insufficient, the UPS
transfers to joint power mode. In this case, the power module obtains energy from both the
mains and batteries, and the energy is converted into AC outputs over the inverter.