UPS5000-H-1200 kVA
User Manual (100 kVA Power Modules)
2 Overview
Issue 01 (2020-07-15)
Copyright © Huawei Technologies Co., Ltd.
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Figure 2-9
UPS conceptual diagram in ECO mode
Manual startup is required to ensure that the inverter is in standby state and the power flow has reached
the inverter.
2.4.2.5 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.