Huawei UPS2000-H

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● Battery mode

When the mains is abnormal or disconnected, the DC-DC step-up transformer

boosts the DC power supplied by batteries, which is then supplied to the

inverter. Then the inverter converts the DC power into stable AC power to

supply loads.

Figure 2-4 Battery mode

● Bypass mode

The mains supplies power to loads after ltering. When the UPS is

overloaded, overheated, or faulty, it automatically transfers to bypass mode.

In this mode, the backup capability of batteries is unavailable.

Figure 2-5 Bypass mode

● ECO mode

If the bypass voltage and frequency are in the specied range, the UPS

supplies power to loads over the bypass. If the bypass voltage and frequency

are outside the range, the UPS transfers to normal or battery mode.

Figure 2-6 ECO mode

● Source-share mode

When the UPS works properly but the mains input power of the rectier is

insucient, the UPS transfers to source-share mode. In this mode, both the

UPS2000-H-(6 kVA-10 kVA)

User Manual 2 Product Overview

Huawei UPS2000-H - Page 29