电工技术学报  2022, Vol. 37 Issue (21): 5541-5547    DOI: 10.19595/j.cnki.1000-6753.tces.211753
电力电子 |
基于空间矢量调制的Vienna整流器无模型预测电流控制
张永昌1, 屈祈延2, 杨海涛2
1.华北电力大学电气与电子工程学院 北京 102206;
2.北方工业大学电力电子与电气传动北京市工程研究中心 北京 100144
Model Free Predictive Current Control of Vienna Rectifier Based on Space Vector Modulation
Zhang Yongchang1, Qu Qiyan2, Yang Haitao2
1. School of Electrical and Electronic Engineering North China Electric Power University Beijing 102206 China;
2. Power Electronics and Motor Drive Engineering Research Center of Beijing North China University of Technology Beijing 100144 China
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摘要 三相三电平Vienna整流器具有开关应力低、功率因数高等优点。为了消除传统无差拍预测电流控制(DPCC)对系统参数的依赖性,该文提出一种无模型预测电流控制(MFPCC)方法,其特点是利用超局部模型代替原有的Vienna整流器精确模型,并利用过去两个时刻的电压和电流信息实现超局部模型的增益和动态部分的在线更新。进一步结合DPCC预测得到下一时刻参考电压矢量,通过空间矢量调制(SVM)得到开关驱动信号。该方法鲁棒性强、计算量小、稳态和动态性能良好。在参数精确和失配的情况下,对传统DPCC和该文所提方法进行稳态和动态性能对比,仿真和实验结果验证了所提方法的优越性。
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关键词 Vienna整流器无模型预测电抗控制空间矢量调制    
Abstract:The three-phase three-level Vienna rectifier has the advantages of low switching stress and high power factor. In order to eliminate the dependence of traditional deadbeat predictive current control (DPCC) on system parameters, a model-free predictive current control (MFPCC) method is proposed in this paper. The features of the proposed method include using an ultra-local model instead of the conventional accurate model of the Vienna rectifier, and the online updating of the gain and the dynamic part of the ultra-local model based on the voltage/current information in the past two control periods. The proposed method is combined with DPCC to calculate the reference voltage vector at the next instant and space vector modulation (SVM) is used to generating the gating pulses. The proposed method has strong robustness, small amount of calculation, and good steady and dynamic performance. The proposed method is compared to conventional DPCC in terms of steady-state and dynamic performance under the condition of accurate and inaccurate model parameters. Simulation and experiment results verify the superiority of the proposed method.
Key wordsVienna rectifier    model free    predictive control    space vector modulation (SVM)   
收稿日期: 2021-11-01     
PACS: TM61  
基金资助:国家自然科学基金(52077002)、国家重点研发计划(2021YFB2400702)和华能集团总部科技项目海上风电与智慧能源系统科技专项(一期)(HNKJ20-H88)资助
通讯作者: 张永昌 男,1982年生,教授,博士生导师,研究方向为电力电子与电机控制。E-mail:zyc@ncepu.edu.cn   
作者简介: 屈祈延 女,1996年生,硕士研究生,研究方向为Vienna整流器控制。E-mail:qqyan213@163.com
引用本文:   
张永昌, 屈祈延, 杨海涛. 基于空间矢量调制的Vienna整流器无模型预测电流控制[J]. 电工技术学报, 2022, 37(21): 5541-5547. Zhang Yongchang, Qu Qiyan, Yang Haitao. Model Free Predictive Current Control of Vienna Rectifier Based on Space Vector Modulation. Transactions of China Electrotechnical Society, 2022, 37(21): 5541-5547.
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