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jack1009
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樓主  發(fā)表于: 2018-12-19 14:14
一個(gè)DC24V,15W的設備。
在斷電後，要能維持工作3秒。需要多大的電容??
如何計算呢??
自由的心
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1樓  發(fā)表于: 2018-12-20 08:52
W=½CUU,還要考慮放電電壓降低后的電機工作狀況。

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