Fractional proportional integral controller applied into two parallel 3-phase PWM rectifiers

2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2017-03-25 DOI:10.1109/IAEAC.2017.8053966

T. Hoang, Xiaohong Wang, Xiaozhuang Zhou, Lianfang Tian, WeiChang Chen

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引用次数: 3

Abstract

With the ever-increasing requirements in industrial manufacturing as well as in the daily life activities of modern society, the control systems equipped with two or more parallel PWM rectifiers rather than solely with a PWM rectifier are widely used to meet the system demands of higher productivity, reliability and safety. Although the control result of the system using conventional PI controller in PWM rectifier is relatively ideal, the design parameters are the relative ones and they are sensitive to the changes of system parameters when conducting more than one PWM rectifier in parallel. For instance, higher overshoot of output voltage and difficulty in the choice of controller parameters. The Fractional Proportional Integral controller rather than the conventional PI controller is proposed in this paper to overcome the drawbacks above. The ideal control results and obviously improved control quality are illustrated by both simulations and experiments of Fractional Proportional Integral controller applied in two parallel PWM rectifiers.

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分数比例积分控制器应用于两个并联三相PWM整流器

随着工业制造和现代社会日常生活活动对PWM的要求越来越高，为了满足更高的生产率、可靠性和安全性的要求，在控制系统中广泛应用了两个或多个并联PWM整流器而不是单个PWM整流器。虽然在PWM整流器中采用传统PI控制器的系统控制效果比较理想，但设计参数是相对的，当并联多个PWM整流器时，设计参数对系统参数的变化比较敏感。如输出电压超调较大，控制器参数选择困难等。为了克服上述缺点，本文提出了分数比例积分控制器，而不是传统的PI控制器。仿真和实验结果表明，分数比例积分控制器应用于两个并联PWM整流器，控制效果理想，控制质量明显提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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