Huawei
H12-411_V2.0 · Question #249
A UPS2000-G-15K at a certain location has a three-phase input and a single-phase output. After installation, it was found that the main bypass input was three-phase, the output was single- phase…
The correct answer is A. The wiring method is correct and the UPS can start normally. D. This wiring method is wrong. The correct wiring method should be that the bypass input is single-. See the full explanation below for the reasoning.
Question
A UPS2000-G-15K at a certain location has a three-phase input and a single-phase output. After installation, it was found that the main bypass input was three-phase, the output was single- phase, and the main and bypass were from the same source. Which of the following descriptions of the wiring method of the UPS are correct? (Multiple choice)
Options
- AThe wiring method is correct and the UPS can start normally.
- BThe wiring method is wrong. If the front-end AC input switch is closed, the UPS will be damaged
- CThis wiring method is wrong, which will cause the UPS to not work in battery mode, but can still
- DThis wiring method is wrong. The correct wiring method should be that the bypass input is single-
How the community answered
(25 responses)- A84% (21)
- B12% (3)
- C4% (1)
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