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基于PI控制的交流电子负载内环电流控制的改进
引用本文:严雪飞,朱长青,赵月飞,安巧静,王佳.基于PI控制的交流电子负载内环电流控制的改进[J].电测与仪表,2015,52(17).
作者姓名:严雪飞  朱长青  赵月飞  安巧静  王佳
作者单位:军械工程学院 电力工程教研室 河北 石家庄 050003,军械工程学院 电力工程教研室 河北 石家庄 050003,军械工程学院 电力工程教研室 河北 石家庄 050003,军械工程学院 电力工程教研室 河北 石家庄 050003,军械工程学院 电力工程教研室 河北 石家庄 050003
摘    要:针对交流电子负载内环电流PI控制存在抗干扰能力差的缺点,在分析交流电子负载的主电路结构及其控制方法的基础上,提出将扰动电压前馈的复合控制方法,在保持内环电流PI控制器跟踪速度的前提下,提高了系统的抗干扰能力,并通过对交流电子负载的建模,按照典型型系统整定方法,确定了PI控制器中参数的大小,仿真表明,该方法能够很好的抑制电压侧带来的扰动,实现交流电子负载负载模拟的功能。

关 键 词:交流电子负载  内环电流  复合控制
收稿时间:2014/5/4 0:00:00
修稿时间:2014/5/4 0:00:00

Improved inner current control of AC electronic load based on PI control
(Yan Xue-fei,Zhu Chang-qing,Zhao Yue-fei,An Qiao-jing and WANG Jia.Improved inner current control of AC electronic load based on PI control[J].Electrical Measurement & Instrumentation,2015,52(17).
Authors:(Yan Xue-fei  Zhu Chang-qing  Zhao Yue-fei  An Qiao-jing and WANG Jia
Affiliation:Electronic power Engineering Teaching and Research Section,Ordnance Engineering College,Electronic power Engineering Teaching and Research Section,Ordnance Engineering College,Electronic power Engineering Teaching and Research Section,Ordnance Engineering College,Electronic power Engineering Teaching and Research Section,Ordnance Engineering College,Ordnance Engineering College
Abstract:The AC electronic load has the weaknesses of poor anti disturbance capacity when using PI control. This paper analyzes the main circuit structure of AC electronic load and its control method,presenting a combined control method to improve the PI control.This method keeps the tracking speed of the inner loop current controller and improve the anti-interference ability of the system , then according to type system to determine the parameters of PI controller. . The research is proved to be effective by simulation.
Keywords:AC electronic load  Inner loop current  combined control
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