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浙江大学学报(工学版)
浙江大学学报(工学版)
计算机技术，无线电电子学     
变拓扑N脉波相控整流器的电流预测控制方法
张达敏1,王仕韬2,林辉品1,吕征宇1
1. 浙江大学 电气工程学院,浙江 杭州 310027; 2. 国网技术学院,山东 济南 250061
Predictive current control method of N-pulse flexible-topology thyristor rectifier
ZHANG Da-min1, WANG Shi-tao2, LIN Hui-pin1, LV Zheng-yu1
1. School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;2. State Grid of China Technology College, Jinan 250061, China
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摘要：

为了减小网侧谐波电流,改善电能质量,提出N脉波变拓扑相控整流器(FTTR)的一般结构形式,并对工作模式、拓扑切换策略及拓扑切换的过渡过程进行分析,在此基础上利用平均值电流预测控制算法计算晶闸管触发时刻,实现快速的电流动态响应.鉴于预测控制算法对电感参数变化敏感的问题,提出应用最小二乘法在线校正电感参数,消除模型参数变化引起的电流稳态误差.以24脉波FTTR为研究对象进行仿真和实验分析,仿真和实验结果验证了N脉波FTTR的可行性以及电流预测控制算法的有效性.
Abstract:

A general structure of the N-pulse flexible-topology thyristor rectifier (FTTR) was proposed in order to mitigate the harmonic-current injection and improve the power quality. Then its operating mode and topology-switching strategy as well as transient performance were discussed. The predictive average-current control algorithm was presented to calculate the firing instance and thereby achieve the fast current response. As the predictive average-current control method is sensitive to the variation of the inductance value, the least square method (LSM) was employed to execute an on-line parameter correction of the inductor and eliminate the steady-state error of the inductor current. A simulation model and its corresponding experimental prototype based on a 24-pulse FTTR were developed. Simulation and experimental results showed the feasibility of the proposed N-pulse FTTR and the effectiveness of the current control method．
出版日期: 2014-08-04
:  TM 46  
基金资助:

国家自然科学基金资助项目(51177148)
通讯作者: 吕征宇，男，教授     E-mail: eeluzy@cee.zju.edu.cn
作者简介: 张达敏(1983-)，男，博士生，从事预测控制在电力电子变换器中的应用研究. E-mail: hqxmzj@sina.com
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张达敏,王仕韬,林辉品,吕征宇. 变拓扑N脉波相控整流器的电流预测控制方法[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.07.023.

ZHANG Da-min, WANG Shi-tao, LIN Hui-pin, LV Zheng-yu. Predictive current control method of N-pulse flexible-topology thyristor rectifier. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.07.023.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.07.023    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I7/1304

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