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[". 전기기 온도

2018-06-25View Original

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왜 전압이 낮을 때 전기기의 온도가 높을까요?
Reply #22018-06-26
P=UI, 전기기 출력功率是一定的,电压U降低,电流I就增大,电I圈电阻R式定定电流发热量QI*I*I*R因此。。。。。。
Reply #32018-06-26
전압이 낮아지면 전기기의 전류가 증가하고 코일 온도가 상승하며,严重时使机械设备停止运转I无法启动I甚至烧毁电动机。  ......I...I..I..I..I..I.I.I.I.I.I.II.III
Reply #42018-06-27
...I..I.I.I.I.I.I.II.II.

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