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.
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。
A new city lighting energy saver based on AC chopper technology for city lighting system was designed.
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。
Described in this article is the working principle of chopper speed control system for wound rotor motor.
介绍了一种转子绕线式电动机斩波调速系统的工作原理。
Chopper is an important part of infrared detecting system and laser radar; the transfer function is used to characterize the optical transfer characteristics of chopper.
斩波器是红外探测系统、激光雷达系统等的重要组成器件，传递函数可以用来描述斩波器的光学传递特性。
The practical application of expert system to design of fault diagnosis of chopper circuits, as well as its theoretical basis, is presented.
提出了直流斩波电路故障诊断专家系统的理论根据及设计方法。
The circuit adopts PWM chopper control mode, power factor on the system side is close to 1.
通过采用PWM斩波控制方式，使系统侧功率因数接近于1。
The basic principle of controlling the voltage build-up rate of chopper is adopted to reduce the current impact, which stables the running of mechanical and electrical system of locomotive.
采用通过控制斩波器电压上升斜率以减小电流冲击的基本原理，使机车的机电系统达到运行平稳。
This paper describes in detail the research process of chopper control system for Beijing testing 1200kw electrical cars.
本文详尽地叙述了北京地铁1200千瓦斩波调速系统的研制经过。
The measuring system was constructed by dual optical tweezers and a synchronized chopper.
本课题对光纤光镊的一种——单光纤光镊进行了系统的研究。
The measuring system was constructed by dual optical tweezers and a synchronized chopper.
本课题对光纤光镊的一种——单光纤光镊进行了系统的研究。
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