电工技术学报  2018, Vol. 33 Issue (6): 1347-1355    DOI: 10.19595/j.cnki.1000-6753.tces.161422
电力电子 |
一种基于优化电压矢量选择的电压源逆变器模型预测共模电压抑制方法
郭磊磊, 金楠, 申永鹏
郑州轻工业学院电气信息工程学院 郑州 450002
A Mode Predictive Common-Mode Voltage Suppression Method for Voltage Source Inverter Based on Optimum Voltage Vector Selection
Guo Leilei, Jin Nan, Shen Yongpeng
College of Electric and Information Engineering Zhengzhou University of Light Industry Zhengzhou 450002 China
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摘要 共模电压对电压源逆变器和电机控制系统有较大的危害。传统的共模电压抑制方法需要增加硬件电路,或采用复杂的PWM算法。采用模型预测控制实现电压源逆变器共模电压抑制时可有效克服上述缺点。然而,传统的电压源逆变器模型预测共模电压抑制方法还存在计算量大、开关频率高等缺点。为此,提出一种基于优化电压矢量选择的电压源逆变器模型预测共模电压抑制方法。与传统的模型预测共模电压抑制方法相比,所提方法在实现共模电压抑制的同时,可以减小计算量,降低开关频率。详细的实验对比研究表明,所提方法因可以降低开关频率而更适用于大功率场合。
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关键词 共模电压电压源逆变器电机控制系统模型预测控制优化电压矢量选择    
Abstract:Common-mode voltage has great harm to voltage source inverter (VSI) and motor control system. Hardware circuit or complex PWM modulation algorithm is required in the traditional common-mode voltage suppression methods. Model predictive control based common-mode voltage suppression methods for VSI can overcome these shortcomings. However, the conventional model predictive control based common-mode voltage suppression methods have disadvantages, such as large calculation amount and high switching frequency. Thus, an optimum voltage vector selection based mode predictive common-mode voltage suppression method for VSI is proposed in this paper. Compared to the conventional ones, the proposed method can suppress common-mode voltage while reducing calculation amount and switching frequency. Detailed contrast experiments show that the proposed strategy is more suitable for high power applications due to its low switching frequency characteristic.
Key wordsCommon-mode voltage    voltage source inverter    motor control system    model predictive control    optimum voltage vector selection   
收稿日期: 2016-09-05      出版日期: 2018-03-28
PACS: TM464  
基金资助:国家自然科学基金资助项目(51607159、51707176)
作者简介: 郭磊磊 男,1987年生,博士,讲师,主要研究方向为大功率风力发电系统驱动技术等。E-mail: 2006guoleilei@163.com(通信作者);金 楠 男,1982年生,副教授,硕士生导师,主要研究方向为新能源变换技术等。E-mail: jinnan@zzuli.edu.cn
引用本文:   
郭磊磊, 金楠, 申永鹏. 一种基于优化电压矢量选择的电压源逆变器模型预测共模电压抑制方法[J]. 电工技术学报, 2018, 33(6): 1347-1355. Guo Leilei, Jin Nan, Shen Yongpeng. A Mode Predictive Common-Mode Voltage Suppression Method for Voltage Source Inverter Based on Optimum Voltage Vector Selection. Transactions of China Electrotechnical Society, 2018, 33(6): 1347-1355.
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