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H12-411_V2.0 · Question #183

Which of the following descriptions of UPS working modes are correct? (Multiple choice)

The correct answer is A. When the UPS works in normal mode, the inverter outputs stable AC power to supply power to the B. When the UPS operates in ECO mode, it will supply power to the load through the bypass. C. If the mains voltage exceeds the UPS input voltage range, the UPS will switch to battery mode. D. If the UPS needs maintenance, the UPS can automatically switch to maintenance bypass mode. See the full explanation below for the reasoning.

Question

Which of the following descriptions of UPS working modes are correct? (Multiple choice)

Options

  • AWhen the UPS works in normal mode, the inverter outputs stable AC power to supply power to the
  • BWhen the UPS operates in ECO mode, it will supply power to the load through the bypass.
  • CIf the mains voltage exceeds the UPS input voltage range, the UPS will switch to battery mode.
  • DIf the UPS needs maintenance, the UPS can automatically switch to maintenance bypass mode.

How the community answered

(53 responses)
  • A
    100% (53)

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