本文提出了绕线式感应电机转子回路电阻的斩波调节原理，设计了双环调速系统，并进行了计算机辅助设计和仿真研究。
This paper presents a chopper adapting principle of rotor's resistance of induction motor, develops a two loops speed governing system, and gives computer simulation results.
针对城市照明系统，设计了一种基于交流斩波技术的新型城市照明节电器。
A new city lighting energy saver based on AC chopper technology for city lighting system was designed.
实现了系统的电压PWM斩波控制方式下的稳定运行。
The system achieve steady courses based on voltage PWM control.
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