Battery Mode; Maintenance Bypass Mode - Huawei UPS5000-A User Manual

UPS5000-A-(60 kVA-120 kVA)-H
User Manual

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
Issue 05 (2020-01-10) Copyright © Huawei Technologies Co., Ltd.
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Figure 2-5 shows a
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