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型號(hào)
:恩施2098-DSD-HV050X羅克韋爾伺服驅(qū)動(dòng)器哪里好
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Allen Bradley 1398-DDM-005X-NV
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Allen Bradley 1398-DDM-019X-DN
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:恩施2098-DSD-HV050X羅克韋爾伺服驅(qū)動(dòng)器哪里好三相鼠籠式異步電動(dòng)機(jī)是當(dāng)前工礦企業(yè)中應(yīng)用廣泛的電動(dòng)機(jī),其電機(jī)繞組的接線方法分星形接法Y和三角形接法Δ,下面介紹錯(cuò)誤接線帶來(lái)的后果。定子繞組星形運(yùn)行的電動(dòng)機(jī),其每相繞組承受的電壓即相電壓是電動(dòng)機(jī)額定電壓(電源線電壓)的1/3倍(0.58倍)。若錯(cuò)接成三角形運(yùn)行,即相電壓升高至廠家規(guī)定的1.73倍。,電源電壓380伏,星形運(yùn)行,相電壓為220伏,接成三角形,則相電壓升高至380伏。由于繞組的相電壓升高,鐵芯將高度飽和,鐵芯磁通的勵(lì)磁電流將急劇增加,再加上負(fù)載電流,定子繞組電流大大增加,將使繞組銅損急劇增大,終導(dǎo)致定子繞組過(guò)熱燒毀。