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功率好像是测半小时或一小时的所耗电能 (瓦时) 再除以时间5 _& T+ k& l( K3 E- y
5 D# Y5 v+ M8 N, B) D9 Y% e/ W我看我们实验室家电工程师是这么做的
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" V( [7 T* a3 |2 Y1 q# {5 B) s- l h电压 根据标准
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) |" i' L, [# K0 {# I' H% Z6 }5.13 The tests for appliances with PTC heating elements are carried out at a voltage
3 |5 L* c/ A, _- G' j& Fcorresponding to the specified power input. When a power input greater than the rated power4 x5 b3 f @. ^; B8 c1 B
input is specified, the factor for multiplying the voltage is equal to the square root of the
" R: ~; P! O- L2 W' w" a8 U- R/ P3 \factor for multiplying the power input. |
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