The sleep of the UPS module is to turn off the inverter of some modules when the system load rate is low and stable, so that some modules go to sleep, and the remaining un-hibernated modules bear a larger load to solve the problem of the low efficiency when the system load is light.

• A.True
• B.False

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What can be detected by the optional battery inspection instrument? (Multiple choice)

• A.Frequency
• B.Voltage
• C.Battery case temperature
• D.Internal resistance

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Huawei NetCol5000-A line-level precision air conditioner mainly solves the hot issue of high-density data center.

• A.FALSE
• B.TRUE

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After the UPS5000-E system is installed, which of the following items need to be checked? (Multiple choice)

• A.if US and battery system mechanical installation is firm and stable
• B.The positive and negative terminals of the battery are wired correctly.
• C.if the cable layout considers other system wiring in the future.
• D.if the ground connection is reliable

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When ATS is in the automatic mode, the manual operating handle must be removed.

• A.False
• B.True

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