Protective grounding: Grounding refers to the direct connection with the earth, and a certain point of the live part of an electrical device or electrical circuit is connected to a large point. When the electrical device or other device is normal, a certain point of the uncharged part is artificially connected to the earth.
The use of water fire and foam fire extinguishing systems in the data center will not cause damage to communication equipment.
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.
The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .
pPUE is a data center PUE An extension of the concept, used to evaluate the energy efficiency of a local area of a data center or equipment And analysis.
When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range ____________ It can work normally in the inverter state of the main circuit.
The condensate of the air conditioner is formed by condensation after the air warning surface cooler cools down.
The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.
Huawei Monitoring System NetEco Only the infrastructure of a single data center can be managed, and the centralized and unified management of multiple geographically divided data center infrastructures is not possible.
The valve-controlled sealed lead-acid battery safety valve has ____________ Function.
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