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.
介绍了一种转子绕线式电动机斩波调速系统的工作原理。
Described in this article is the working principle of chopper speed control system for wound rotor motor.
调速模型包括PWM输出模块、PI调节模型、电机本体模型、斩波控制模型、机械子系统模型、电机位置信号处理模型等。
The control model includes PWM output module, PI control module, motor module, current chopping module, mechanical subsystem module and signal processing module of rotor position.
建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；
Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established.
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。
This paper describes in detail the research process of chopper control system for Beijing testing 1200kw electrical cars.
分析了同步发电机交流励磁系统中存在的问题，提出应用斩波技术对其进行改造和优化。
A new type of reconstruction and optimization excitation system based on chopped wave technique is presented.
通过从如何减小逆变器的装置容量入手，根据矿井提升机的工艺特点，给出了斩波串级调速系统逆变变压器容量的设计方法。
From the angel of minimizing the inverse transformer capacity, a method to design inverse transformer capacity based on the technical features of mine-well hoist was given.
通过采用PWM斩波控制方式，使系统侧功率因数接近于1。
The circuit adopts PWM chopper control mode, power factor on the system side is close to 1.
为了满足生产工艺实际需要，针对水处理系统中水泵单耗高、资源浪费等问题，提出了一种用DSP数字信号处理器实现闭环控制的内反馈斩波调速解决方案。
To meet the practical needs of production technics, a solve scheme of inherent feedback chopping speed regulation is put forward by using DSP processor to realize closed loop control.
其次采用了两种不同方法对斩波串级调速系统的斩波回路进行了建模和分析，并得到斩波双闭环控制结构图；
Then two different method is given to analyze chopper and mathematics model is based, so double-close-loop control chart is got.
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 practical application of expert system to design of fault diagnosis of chopper circuits, as well as its theoretical basis, is presented.
同时对无位置传感器的全导通电流斩波方案在开关磁阻发电系统中的应用进行了分析与研究。最后针对上述控制方案进行了较全面的实验验证。
Finally, two novel control schemes, exciting voltage control and full conducted current chopping control, are discussed in detailed and proved by tests of SRG prototype system.
电源系统采用双核核心控制器，以dsp- TMS320 LF 2407为核心处理器，以P 89c54单片机为辅助处理器。DSP的3路PWM分别对斩波与逆变电路的IG BT进行驱动。
The system with binuclear as the core controller used DSP TMS320LF2407 as the core processor and takes P89C54 single chip microcomputer (SCM) as the assisted processor.
文章还介绍了斩波调速系统所采取的电流保护策略。
The paper also deals with current protection strategy employed in chopper's speed regulating system.
系统采用交流斩波控制调压技术，并介绍了该系统的速度和位置测试方法。
Ac chopping voltage regulator is characterized of high performance. The testing method of its speed and location is introduced.
系统采用交流斩波控制调压技术，并介绍了该系统的速度和位置测试方法。
Ac chopping voltage regulator is characterized of high performance. The testing method of its speed and location is introduced.
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