2018-03-11電動葫蘆要有斷相保護措施嗎
電(dian)(dian)(dian)動葫蘆會出現一(yi)些卷筒擠(ji)碎、吊鉤組擠(ji)壓變(bian)形、鋼(gang)絲繩拉斷等故障。電(dian)(dian)(dian)動葫蘆一(yi)般是三相(xiang)電(dian)(dian)(dian)源工作(zuo),當(dang)電(dian)(dian)(dian)源錯誤時,電(dian)(dian)(dian)機也不可以正常運轉。特別是相(xiang)序(xu)變(bian)化之后,電(dian)(dian)(dian)機會反向運轉,按(an)下下降(jiang)...
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