Electrical Power Definitions And Power Definitions

Electrical Power Definitions

Ground - pathway to earth
Noise - Electromagnetic (EMI) or Radio Frequency interference (RFI) that disrupts the power flow and can cause fluctuations
Transient Noise - short duration of power disruption
Clean Power - power that does not fluctuate

Power Definitions

Power Excess --过量

Spike: momentary high voltage 瞬间的峰值
Surge: prolonged high voltage 持续的高电压

Power Loss --损耗，丧失

Fault: momentary power out 掉电
Blackout: prolonged loss of power 持续的低电力供应

Power Degradation --降级退化
Sag: momentary low voltage --瞬间的低电压
Brownout: prolonged power supply that is below normal voltage --持续的低电压供电

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