[1]臧晓笛,田德文.低开关频率下永磁同步电机弱磁区电流谐波抑制[J].控制与信息技术(原大功率变流技术),2016,(06):1-6.[doi:10.13889/j.issn.2095-3631.2016.06.200]
 ZANG Xiaodi,TIAN Dewen.Current Harmonic Suppression of Permanent Magnet Synchronous Motor in Weak Magnetic Field under Low Switching Frequency[J].High Power Converter Technology,2016,(06):1-6.[doi:10.13889/j.issn.2095-3631.2016.06.200]
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低开关频率下永磁同步电机弱磁区电流谐波抑制()
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《控制与信息技术》(原《大功率变流技术》)[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2016年06期
页码:
1-6
栏目:
变流与控制
出版日期:
2016-12-05

文章信息/Info

Title:
Current Harmonic Suppression of Permanent Magnet Synchronous Motor in Weak Magnetic Field under Low Switching Frequency
文章编号:
2095-3631(2016)06-0001-06
作者:
臧晓笛 1田德文2
(1. 中车株洲电力机车研究所有限公司,湖南株洲 412001;2. 中国北方车辆研究所,北京 100072)
Author(s):
ZANG Xiaodi1 TIAN Dewen2
( 1. CRRC Zhuzhou Institute Co.,Ltd., Zhuzhou, Hunan 412001, China; 2. China North Vehicle Research Institute, Beijing 100072, China )
关键词:
永磁同步电机低开关频率电流谐波
Keywords:
permanent magnet synchronous motor low switching frequency current harmonic
分类号:
TM301. 2
DOI:
10.13889/j.issn.2095-3631.2016.06.200
文献标志码:
A
摘要:
针对内嵌式永磁同步电机在低开关频率下高速深度弱磁区电流畸变、转矩波动大等问题,分析了电机常规控制下系统对扰动信号的抑制作用;常规SVPWM 过调制运行时会产生周期性扰动,结合试验及仿真数据,提出采用特定谐波消除SHEPWM 调制抑制电流谐波的控制策略,改善了电机平稳运行能力。对所提出的优化脉冲模式进行Matlab 仿真和试验验证,结果表明:采用特定谐波消除SHEPWM 调制模式,可以有效抑制电机高速弱磁区的电流谐波,改善了系统稳态转矩控制效果。
Abstract:
Aiming at the problems of embedded permanent magnet synchronous motor at low switching frequency, such as current distortion of high speed deep weak magnetic field and large torque ripple, it analyzed the inhibitory effect of conventional motor control system on disturbance signal. As periodical disturbance would be generated in conventional SVPWM over modulation operation, combining experiment and simulation data, it put forward a control strategy using a selective harmonic elimination modulation(SHEPWM) to realize current harmonic suppression, so that the motor stable operation ability could be improved. Matlab simulation and experimental verification were implemented for the proposed optimal pulse mode. The results show that it can effectively inhibit current harmonic of motor in high-speed week magnetic fields and can improve control effect of the system steady-state torque by the method of SHEPWM.

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备注/Memo

备注/Memo:
收稿日期:2016-08-31
作者简介:臧晓笛(1983-),女,工程师,主要研究方向为风电机组电气系统研究。
更新日期/Last Update: 2016-12-26