摘 要：根據(jù)三相異步電動機(jī)的工作原理，電磁關(guān)系以及短路堵轉(zhuǎn)時的特點(diǎn)，建立電動機(jī)短路堵轉(zhuǎn)時的電磁變化規(guī)律和數(shù)學(xué)模型，從而對三相異步電機(jī)進(jìn)行短路堵轉(zhuǎn)試驗(yàn)的仿真研究。本文為短路堵轉(zhuǎn)試驗(yàn)的進(jìn)行提供了理論依據(jù)。 關(guān)鍵詞：三相異步電機(jī);數(shù)學(xué)模型;仿真;短路堵轉(zhuǎn) 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(zhuǎn)試驗(yàn)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(yàn)時轉(zhuǎn)子繞組短路，并把轉(zhuǎn)子卡住，使其不旋轉(zhuǎn)。需要注意的是，如果這時仍給定子加額定電壓，電流將高達(dá)額定電流的數(shù)倍，這顯然是不允許的，所以短路堵轉(zhuǎn)試驗(yàn)必須在低電壓下運(yùn)行。 詳情請點(diǎn)擊：MATLAB在三相異步電機(jī)短路堵轉(zhuǎn)試驗(yàn)中的應(yīng)用