點(diǎn)擊圖片查看大圖0-51890 O-51890 051890
0-51890 O-51890 051890
MKD090B-058-KG0-KN
①先用萬用表查看電動(dòng)機(jī)接線端子處的電壓，如果沒有電壓或者只有一相電壓，說明電源沒有接通或者供電電源有故障。
?、谌绻妱?dòng)機(jī)接線端子處三相電壓基本平衡，說明電動(dòng)機(jī)定子繞組接線有問題，大可能就是中性點(diǎn)沒接好或者引出線沒接好。
2、現(xiàn)象：接通電源后，電動(dòng)機(jī)只有嗡嗡聲但不轉(zhuǎn)動(dòng)
處理：必須立即斷開電源，然后再仔細(xì)查找原因
?、賳蜗噙\(yùn)行首先檢查電源，看是否是電源一相斷線、熔斷器一相熔斷、接觸器一相接觸不好；再者檢查電機(jī)定子繞組引出線，是否一相未接好。
?、跈z查機(jī)棫部分是否被卡。這種故障在起動(dòng)前檢查電機(jī)時(shí)，看電動(dòng)機(jī)能否輕輕轉(zhuǎn)動(dòng)，很容易發(fā)現(xiàn)
③電源電壓過低或者▲形接法的電動(dòng)機(jī)技接成Y形，并且?guī)ж?fù)載起動(dòng)。只要測(cè)定電源電壓及電動(dòng)機(jī)接線方式是否正確就能發(fā)現(xiàn)。
在典型的數(shù)字電源控制系統(tǒng)結(jié)構(gòu)中，輸出電壓感應(yīng)排列類似于模擬系統(tǒng)。
3．現(xiàn)象：通電后起動(dòng)電機(jī)，熔斷器很快熔斷（或過流保護(hù)動(dòng)作）
福州卓凱電子科技有限公司
地址：福州市閩侯西江濱大道77號(hào)正榮潤園一號(hào)樓1205室
大量現(xiàn)貨abb,施耐德等國外多家品牌，產(chǎn)品涉及變頻器，儀器儀表，變送器，可編程控制器plc和人機(jī)界面。
電話：15506917382 0591-62182535
傳真：0591-22989937 QQ：583745937 聯(lián)系人：王工
歡迎來電咨詢
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