This paper features a comprehensive survey of all the plans, which are applicable to crane hoists, of the speed control of woundmotor rotor thyristor.
本文对起重装置适用的绕线电动机转子可控硅调速各种方案进行了综述。
2
PWM mode was analyzed, and a kind of variable-resistance timing Winch being of simple structure and large power supply was put forward by using wire-woundmotor and series resistance timing principle.