描述
保持轉(zhuǎn)矩也叫靜力矩,是指步進(jìn)電機(jī)通電但沒(méi)有轉(zhuǎn)動(dòng)時(shí),定子鎖住轉(zhuǎn)子的力矩。由于步進(jìn)電機(jī)低速運(yùn)轉(zhuǎn)時(shí)的力矩接近保持轉(zhuǎn)矩,而步進(jìn)電機(jī)的力矩隨著速度的增大而快速衰減,輸出功率也隨速度的增大而變化,所以說(shuō)保持轉(zhuǎn)矩是衡量步進(jìn)電機(jī)負(fù)載能力最重要的參數(shù)之一。比如,一般不加說(shuō)明地講到1N.m的步進(jìn)電機(jī),可以理解為保持轉(zhuǎn)矩是1N.m。
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