UPS5000-E-(40 kVA-320 kVA)
User Manual
2 Overview
Issue 10 (2015-09-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15
Figure 2-3
UPS conceptual diagram in normal mode
2.3.2.2 Bypass Mode
The UPS automatically transfers to bypass mode upon detecting power module
overtemperature, overload, or other faults that may cause the inverter to shut down. The
bypass power supply is not protected by the UPS and therefore tends to be affected by mains
outages, and abnormal AC voltage and frequency.
shows the conceptual diagram of
the UPS working in bypass mode.