[1]刘 勇,甘韦韦,胡 仙.一种简单的三电平变流器SVPWM 过调制策略[J].控制与信息技术(原大功率变流技术),2017,(02):17-22.[doi:10.13889/j.issn.2095-3631.2017.02.003]
 LIU Yong,GAN Weiwei,HU Xian.A Simple SVPWM Over-modulation Scheme for Three-level Converter[J].High Power Converter Technology,2017,(02):17-22.[doi:10.13889/j.issn.2095-3631.2017.02.003]
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一种简单的三电平变流器SVPWM 过调制策略()
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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:
2017年02期
页码:
17-22
栏目:
变流与控制
出版日期:
2017-04-05

文章信息/Info

Title:
A Simple SVPWM Over-modulation Scheme for Three-level Converter
文章编号:
2095-3631(2017)02-0017-06
作者:
刘 勇甘韦韦胡 仙
(中车株洲所电气技术与材料工程研究院,湖南株洲 412001)
Author(s):
LIU Yong GAN Weiwei HU Xian
( CRRC ZIC Research Institute of Electrical Technology & Material Engineering, Zhuzhou, Hunan 412001, China )
关键词:
三电平电压型变流器空间矢量PWM过调制集成门极换流晶闸管电机驱动
Keywords:
three-level VSC SVPWM over-modulation IGCT motor drive
分类号:
TM46
DOI:
10.13889/j.issn.2095-3631.2017.02.003
文献标志码:
A
摘要:
针对三电平电压型变流器在过调制区间工作时采用常规的过调制策略会导致较大的中点电压波动问题,文章提出了一种空间矢量PWM(SVPWM)过调制策略,其能实现输出电压和参考电压的伏秒平衡,同时能减少中点电位的波动,且易于实现。这种控制策略已成功运用于采用国产IGCT 的二极管箝位三电平大功率变流器电机驱动系统中,仿真和试验结果验证了该控制策略的有效性。
Abstract:
Traditional over-modulation scheme can lead to a large fluctuation of neutral-point voltage when three-level voltage source converter (VSC) works at over-modulation region. A SVPWM over-modulation scheme was proposed which was easy to implement and could realize volt-second balance between output voltage and reference voltage, and reduce the fluctuation of neutral-point voltage. The control strategy has been successfully applied in the NPC motor drive system based on the domestic IGCTs. Simulation and experiment results show the validity of the method.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:刘勇(1981-),男,博士,高级工程师,主要从事机车电力牵引交流传动控制和工业变频器交流传动控制方面的科研工作。
基金项目:国家科技支撑计划项目(2012BAF09B02)
更新日期/Last Update: 2017-04-26