High frequency pulsewidth modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
2
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulsewidth 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。
3
According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulsewidth.