摘 要：根據三相異步電動機的工作原理，電磁關系以及短路堵轉時的特點，建立電動機短路堵轉時的電磁變化規律和數學模型，從而對三相異步電機進行短路堵轉試驗的仿真研究。本文為短路堵轉試驗的進行提供了理論依據。 關鍵詞：三相異步電機;數學模型;仿真;短路堵轉 Abstract: According to the theory of three different step electrical machineries,electromagnetic relation and the characteristic of holding up and stopping up rotating,the article sets up the electromagnetic laws and mathematics model of holding up and stopping up rotating, and carrys on emulation to study the experiment of three different step electrical machineries holding up and stopping up rotating.The article offers the basis to the experiment of holding up and stopping up rotating. Keyword: Three Different Step Electrical Machineries; Mathematics Model;Emulation;Hold Up And Stop Up Rotating 1.前言 　　短路堵轉試驗是工程上用來求出短路阻抗X[sub]K[/sub]，R[sub]K[/sub]的有效方法。試驗時轉子繞組短路，并把轉子卡住，使其不旋轉。需要注意的是，如果這時仍給定子加額定電壓，電流將高達額定電流的數倍，這顯然是不允許的，所以短路堵轉試驗必須在低電壓下運行。 詳情請點擊：MATLAB在三相異步電機短路堵轉試驗中的應用