(1)電動(dòng)機(jī)和生產(chǎn)機(jī)械的機(jī)械特性曲線(xiàn)n=f(TM)和n=f(TL)必須有交點(diǎn)(即拖動(dòng)系統(tǒng)的平衡點(diǎn))。(2)當(dāng)轉(zhuǎn)速大于平衡點(diǎn)所對(duì)應(yīng)的轉(zhuǎn)速時(shí),TM<TL,即若干擾使轉(zhuǎn)速上升,當(dāng)干擾消除后應(yīng)有TM-TL<0;而當(dāng)轉(zhuǎn)速小于平衡點(diǎn)所對(duì)應(yīng)的轉(zhuǎn)速時(shí),TM>TL,即若干擾 (共 436 字) [閱讀本文] >>