Huawei
H12-425_V2.0 · Question #502
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…
The correct answer is A. The wiring mode is incorrect, if the upstream mains input switch is turned on, the UPS will be. See the full explanation below for the reasoning.
Question
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?
Options
- AThe wiring mode is incorrect, if the upstream mains input switch is turned on, the UPS will be
- BThe wiring mode is correct. The UPS can start properly.
- CThe wiring mode is incorrect. The UPS cannot work in battery mode, but can still work in bypass mode
- DThe wiring mode is incorrect. The correct wiring mode should be single-phase bypass input,
How the community answered
(20 responses)- A75% (15)
- B15% (3)
- C5% (1)
- D5% (1)
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