電(dian)(dian)(dian)動車控(kong)制器(qi)是(shi)借助 PWM 電(dian)(dian)(dian)路(lu)來(lai)(lai)控(kong)制電(dian)(dian)(dian)機輸出功率的,實現開(kai)關(guan)(guan)(guan)調制作用(yong)的是(shi)高頻開(kai)關(guan)(guan)(guan)功率器(qi)件 MOS 管,用(yong)它來(lai)(lai)做(zuo)執行高頻斬波斷續供電(dian)(dian)(dian)的開(kai)關(guan)(guan)(guan),從而有效地解決了電(dian)(dian)(dian)機的速度和(he)電(dian)(dian)(dian)流的操控(kong)性。