FBM242電纜P0916FJ

阻電機的構造

其中兩個環短路。電機作為單相感應電機工作，直到定子與單相電源對齊。離心傳輸分離輔助繞組，直到電機輸出接近大同步速度。通過主繞組操作，電機像單相電機一樣加速。

一旦電機速度接近同步速度，轉子就會傾向于在磁阻小的位置自行連接，從而產生扭矩。結果，轉子同步拖動。為了獲得適當的效率，負載慣性保持在可接受的范圍內。感應轉矩在同步時會消失，但由于同步磁阻時的轉矩，轉子將保持同步。

2.磁阻電機的優缺點

優勢：

（1） 不需要直流電源。

（2） 特性穩定

（3）維護較少

（4） 熱量少

（5） 無磁鐵

（6） 速度控制

弊：

1）效率較低

2）功率因數差

3） 變頻調速

4）這些電機的容量較小，無法驅動負載

5）需要較少的慣量轉子。

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