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Huawei H12-425_V2.0 - HCIP-Data Center Facility Deployment V2.0

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Total 55 questions

The power system of a UPS2000-G-15K at a site is three-phase input and single-phase output. After installation, it is found that the mains and bypass inputs are three-phase, the output is single-phase, and the mains and bypass inputs share a power source. Which of the following statements are true about the UPS wiring mode?

A.

The wiring mode is incorrect, if the upstream mains input switch is turned on, the UPS will be short-circuited and damaged immediately.

B.

The wiring mode is correct. The UPS can start properly.

C.

The wiring mode is incorrect. The UPS cannot work in battery mode, but can still work in bypass mode or inverter mode.

D.

The wiring mode is incorrect. The correct wiring mode should be single-phase bypass input, three-phase mains input, and one power source.

Which of the following statements is true about UPS5000 power modules and bypass modules?

A.

The UPSS000-E-200K and UPS5000-E-400K use the same power module and provide the same capacity of 50 kVA but have different numbers of power modules.

B.

For UPSs of the same model but in different power segments, their bypass module capacity is the same.

C.

The power module capacity of both the UPS5000-S and UPS5000-E is 50 kVA. Therefore, the two types of UPS can be used together.

D.

The power modules used in the UPSS000-S-1200K are the same as those used in the UPS5000-E-200K.

If multiple SmartLi battery cabinets are combined, press and hold the POWER ON/OFF button on each battery management module for more than 2s, and then switch on the battery circuit breaker in any cabinet to start all battery cabinets.

A.

True

B.

False

To modify the FusionModule2000 plan view of the ECC800-Pro, users need to log in to the WebUI as admin account.

A.

True

B.

False

The UPS can generate large leakage currents. A circuit breaker equipped with a residual current device (RCD) is not recommended. If leakage protection is required, consider the leakage current of the UPS and downstream devices.

A.

True

B.

False

When will the bypass module of Huawei integrated UPS to start to work?

A.

Both the active and standby ECMs are abnormal.

B.

The power module overload times out.

C.

The UPS works in ECO mode, and the bypass voltage is within the preset range.

D.

The UPS is lust powered on and the inverter is not started.