It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.

它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。

youdao

This scheme is based on the rotor flux, through the fixed switching frequency and using space vector modulation (SVPWM) method vector control.

本文方案是基于转子磁链定向、通过固定开关频率、运用空间矢量调制(SVPWM)方法的矢量控制。

youdao

Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.

分析了下桥臂调制方式下绕组端电压波形，并基于此介绍了反电势法检测转子位置原理。

youdao