電(dian)(dian)(dian)(dian)動車控制器是借助 PWM 電(dian)(dian)(dian)(dian)路(lu)來控制電(dian)(dian)(dian)(dian)機輸出功(gong)率的(de),實(shi)現開(kai)關調(diao)制作用的(de)是高(gao)頻開(kai)關功(gong)率器件 MOS 管(guan),用它來做執(zhi)行高(gao)頻斬波斷續供電(dian)(dian)(dian)(dian)的(de)開(kai)關,從而有效(xiao)地解決了電(dian)(dian)(dian)(dian)機的(de)速度和電(dian)(dian)(dian)(dian)流的(de)操控性。