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Power Professional D

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WATTS

发布时间: 2010/04/08 人气 :1841
·WATTS
A unit of measurement to test the efficiency of AC power equipment. WATTS is the energy of actual delivery, and different from reactive power. Watts is simply the sum of load power consumption, which shows as mathematical style, like: input voltage (V) × current consumption (A) × power factor (Pf).