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南城小巷
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樓主  發(fā)表于: 2015-10-27 14:23
一臺30KW  電流為57A的電動(dòng)機  采用星三角啟動(dòng)時(shí) 啟動(dòng)電流是多大怎么算  ，如果我用TM80D 脫扣器會(huì )引起跳閘嗎？  如果脫扣器選擇TM·100D的或更大一點(diǎn)的，會(huì )不會(huì )在電動(dòng)機出現過(guò)載了，斷路器也沒(méi)有起到作用��？ 如果過(guò)載了短時(shí)間內熱繼電器是不是不會(huì )動(dòng)作？
fom
冰心玉壺
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1樓  發(fā)表于: 2015-10-27 19:38
啟動(dòng)電流大約是114A，不能小于100A.

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