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步進(jìn)電機轉矩(步進(jìn)電機在高速時(shí)增加轉矩的方法)

發(fā)布時(shí)間:??2021-03-11
分類(lèi)：行業(yè)資訊
作者：
來(lái)源:網(wǎng)絡(luò )
訪(fǎng)問(wèn)量：1355

降低匝數，使L減小：在電動(dòng)機制造商的標準產(chǎn)品中，如果電感L小，則額定電流會(huì )增加。下圖比較了具有相同輸入的兩相HB型步進(jìn)電動(dòng)機的速度-轉矩特性，同時(shí)保持了低速并改變了繞組數。高速時(shí)的額定電流越高（相同的安培數，越?。?，電動(dòng)機轉矩就越大（電動(dòng)機為兩相，HB型，1.8°，56mm，54mm長(cháng)）。

步進(jìn)電機高轉速增加轉矩

永久磁鐵的磁通要小：如果制造商無(wú)法減少永磁體，則可以增加氣隙以減少高速時(shí)的反電動(dòng)勢，增加電流，增加轉矩，并從低速改變轉矩特性。直線(xiàn)提高了高速轉矩，并提高了響應頻率。

選擇步距角大的電機：為有效地提高高速扭矩，請參考扭矩曲線(xiàn)，步距角分別為0.6°和1.2°。

上一篇：步進(jìn)電機的轉速取決于(步進(jìn)電機暫態(tài)阻尼特性的測量)

下一篇：步進(jìn)電機驅動(dòng)器(三菱伺服驅動(dòng)器可以設定輸出電流嗎)

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