電動葫蘆不能啟動、運轉
(1)首先檢查電源熔絲是否燒斷,如果斷一相,則電動機單相起動,起動轉矩為零,電動機不能轉動,應更換足夠的熔絲。
(2)其次電網電壓過低,起動轉矩與電壓平方成正比,加速轉矩克服不了負載力矩,達不到運行轉速,應適當提高電網電壓。
(3)定子繞組相間短路、接地或斷路,繞組接地當出現在引出線接地板處,應打開接線盒檢查。
duanlushibudanjianzhadianji,haiyingshouxianjianzhakongzhishebeijiexianshifouzhengque,ruguoshijiaoliujiechuqichutoujiechubuliangzaochengxianlubunengjietong,yingyongshazhijiangjiechuqichutoubanhenmoping,tongshiyeyaojianzhatiexinxihejiduankaiqingkuang,youwukazuxianxiang,biyaoshigenghuanjiechuqi。
(4)負(fu)載(zai)過(guo)大(da)或(huo)傳(chuan)動(dong)棚(peng)械(xie)有(you)故(gu)障(zhang)一(yi)般(ban)電(dian)動(dong)葫(hu)蘆(lu)匹(pi)配(pei)電(dian)動(dong)機(ji)功(gong)率(lv)是(shi)合(he)理(li)的(de),起(qi)吊(diao)重(zhong)物(wu)不(bu)能(neng)過(guo)載(zai),倘(tang)若(ruo)出(chu)現(xian)電(dian)動(dong)葫(hu)蘆(lu)不(bu)能(neng)轉(zhuan)動(dong),先(xian)卸(xie)掉(diao)載(zai)荷(he),如(ru)電(dian)動(dong)機(ji)能(neng)正(zheng)常(chang)起(qi)動(dong),說(shuo)明(ming)減(jian)速(su)箱(xiang)等(deng)傳(chuan)動(dong)機(ji)構(gou)有(you)故(gu)障(zhang),應(ying)檢(jian)查(zha)被(bei)拖(tuo)動(dong)機(ji)構(gou),清(qing)除(chu)故(gu)障(zhang)。
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