GE產(chǎn)品說明IC693MDL240RR

交流伺服電機也是無刷電機,分為同步交流電機和異步交流電機.

目前運動控制中一般都用 同步電機 ，它的功率范圍大，可以做到很大的功率。大慣量，高轉(zhuǎn)動速度低，且隨著功率增大而快速降低。因而適合做低速平穩(wěn)運行的應(yīng)用。

伺服電機內(nèi)部的轉(zhuǎn)子是永磁鐵，驅(qū)動器控制的U/V/W三相電形成電磁場，轉(zhuǎn)子在此磁場的作用下轉(zhuǎn)動，同時電機自帶的編碼器反饋信號給驅(qū)動器，驅(qū)動器根據(jù)反饋值與目標值進行比較，調(diào)整轉(zhuǎn)子轉(zhuǎn)動的角度。 伺服電機的精度決定于編碼器的精度（線數(shù)） 。

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