UPS5000-A-500 kVA
User Manual (e-shelter)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
18
2.2.2.3 Battery Mode
If the AC input voltage is not normal, the UPS transfers to battery mode to obtain power from
batteries. The inverter then converts the power into AC outputs.
conceptual diagram of the UPS working in battery mode.
Figure 2-5
UPS conceptual diagram in battery mode
2.2.2.4 Maintenance Bypass Mode
The current flows through the maintenance bypass, instead of the power unit or bypass unit.
UPS maintenance can be performed in this mode.
Figure 2-6
UPS conceptual diagram in maintenance bypass mode