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        防(fang)(fang)爆電(dian)(dian)器(qi)的(de)額(e)定電(dian)(dian)流為所驅(qu)動(dong)電(dian)(dian)動(dong)機(ji)額(e)定電(dian)(dian)流的(de)1．1～1．5倍，關于特別的(de)負載(zai)，如深水泵(beng)等(deng)則(ze)需求參考(kao)電(dian)(dian)動(dong)機(ji)性能(neng)參數，以******電(dian)(dian)流確認(ren)防(fang)(fang)爆電(dian)(dian)器(qi)電(dian)(dian)流和(he)過(guo)載(zai)才能(neng)。防(fang)(fang)爆電(dian)(dian)器(qi)電(dian)(dian)流巨細決議產品過(guo)載(zai)才能(neng)，由于防(fang)(fang)爆電(dian)(dian)器(qi)的(de)過(guo)載(zai)才能(neng)沒(mei)有電(dian)(dian)動(dong)機(ji)過(guo)載(zai)才能(neng)強，一旦電(dian)(dian)動(dong)機(ji)有過(guo)載(zai)，損壞的(de)首先是防(fang)(fang)爆電(dian)(dian)器(qi)。

假如機械設備選用的電動機功率大于實踐機械負載功率，并把電動球閥機(ji)械功率(lv)調理到(dao)到(dao)達電(dian)(dian)動機(ji)輸出(chu)功率(lv)，此(ci)(ci)刻，功率(lv)選用(yong)一(yi)定(ding)要等(deng)于或大于電(dian)(dian)動機(ji)功率(lv)。防爆電(dian)(dian)器電(dian)(dian)流(liu)(liu)巨細決議產品過載才能，個別電(dian)(dian)動機(ji)額定(ding)電(dian)(dian)流(liu)(liu)值較(jiao)特(te)別，不在常(chang)用(yong)規范規格附近，又有的(de)電(dian)(dian)動機(ji)額定(ding)電(dian)(dian)壓低，額定(ding)電(dian)(dian)流(liu)(liu)偏大，此(ci)(ci)刻要求防爆電(dian)(dian)器的(de)額定(ding)電(dian)(dian)流(liu)(liu)必須等(deng)于或大于電(dian)(dian)動機(ji)額定(ding)電(dian)(dian)流(liu)(liu)。