Huawei UPS5000-H Series - Conceptual Diagram; Working Modes

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Figure 2-4 Conceptual diagram

2.5 Working Modes

2.5.1 Normal Mode

In normal mode, the rectier converts AC power into DC power. Then the inverter

converts DC power into AC output. At the same time, the rectier charges

batteries over a charger. The two conversions ensure high-precision and high-

quality output voltages, protecting loads from interferences such as input

harmonics, glitches, and voltage transients.

Figure 2-5 UPS conceptual diagram in normal mode

2.5.2 Bypass Mode

When the UPS detects that the power module experiences overtemperature,

overload, or other faults that may shut down the inverter, the UPS automatically

transfers to bypass mode. At the same time, the

rectier is started and charges

batteries over a charger. In bypass mode, loads are powered by the bypass

UPS5000-H-(400 kVA-600 kVA)

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