一种基于电压矢量优化组合的双三相电机共模电压抑制方法

微特电机 ›› 2023, Vol. 51 ›› Issue (7): 40-45.

一种基于电压矢量优化组合的双三相电机共模电压抑制方法

张伯虎¹, 印晓梅², 华浩¹, 罗响¹

1.上海交通大学电子信息与电气工程学院,上海 200240;
2.国网上海市电力公司松江供电公司,上海 201600

收稿日期:2023-02-10 出版日期:2023-07-28 发布日期:2023-07-24
作者简介:张伯虎(1998—),男,硕士研究生,研究方向为双三相永磁同步电动机控制。

A Common Mode Voltage Suppression Method for Dual Three-Phase Motors Based on Optimal Combination of Voltage Vectors

ZHANG Bohu¹, YIN Xiaomei², HUA Hao¹, LUO Xiang¹

1. College of Electronic Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China;
2. State Grid Shanghai Songjiang Electric Power Supply Company, Shanghai 201600, China

Received:2023-02-10 Online:2023-07-28 Published:2023-07-24

摘要/Abstract

摘要： 电压型PWM逆变器中的共模电压(CMV)对电机驱动系统产生不利影响。针对双三相永磁同步电机驱动系统在抑制共模电压时需要提高线性调制范围的问题,提出了一种基于中间矢量的增强型空间矢量脉宽调制方法,采用特殊的基本矢量来合成中间矢量。与现有方法相比,该方法在保证CMV抑制效果的前提下,可以获得更高的线性调制范围。仿真结果验证了该方法的有效性。

关键词: 共模电压, 双三相, 线性调制范围, 空间矢量脉宽调制

Abstract: Common mode voltage (CMV) in voltage source PWM inverter has adverse effects on motor drive system. Aiming at the problem that the dual three-phase permanent magnet synchronous motor drive system needed to improve the linear modulation range when suppressing the common mode voltage, an enhanced space vector pulse width modulation method based on the intermediate vector was proposed,which used special basic vectors to synthesize the intermediate vector. Compared with the existing methods, the method could obtain a higher linear modulation range while ensuring the CMV suppression effect. Simulation results verify the effectiveness of this method.

Key words: common mode voltage(CMV), dual three-phase, linear modulation range, space vector pulse width modulation(SVPWM)

中图分类号:

TM464

张伯虎, 印晓梅, 华浩, 罗响. 一种基于电压矢量优化组合的双三相电机共模电压抑制方法[J]. 微特电机, 2023, 51(7): 40-45.

ZHANG Bohu, YIN Xiaomei, HUA Hao, LUO Xiang. A Common Mode Voltage Suppression Method for Dual Three-Phase Motors Based on Optimal Combination of Voltage Vectors[J]. Small & Special Electrical Machines, 2023, 51(7): 40-45.

参考文献 11

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