電(dian)(dian)動(dong)車(che)控制器(qi)是借(jie)助 PWM 電(dian)(dian)路來控制電(dian)(dian)機(ji)輸出(chu)功(gong)率的,實現開關(guan)調制作用(yong)的是高頻開關(guan)功(gong)率器(qi)件 MOS 管(guan),用(yong)它來做執行高頻斬波(bo)斷續供(gong)電(dian)(dian)的開關(guan),從而有(you)效地解(jie)決了電(dian)(dian)機(ji)的速度和電(dian)(dian)流的操控性。