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文章摘要
改进型解耦控制的牵引网低频振荡抑制研究
Study on low frequency oscillation suppression in traction network with improved decoupling control
Received:December 29, 2017  Revised:December 29, 2017
DOI：
中文关键词: 低频振荡  网侧整流器  dq解耦控制  主动阻尼补偿
英文关键词: 低频振荡  网侧整流器  dq解耦控制  主动阻尼补偿
基金项目:湖南省自然科学基金立项项目（2017JJ4021）；湖南省教育厅优秀青年项目（16B069）
Author NameAffiliationE-mail
zhangxiaohu Hunan University of Technology, School of electrical and Information Engineering 771401812@qq.com 
qiuxin* Hunan University of Technology, School of electrical and Information Engineering 919951242@qq.com 
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中文摘要:
      鉴于电气化铁路中采用基于双闭环瞬态直接电流控制的网侧整流器在发生牵引网低频振荡时通过调节 PI 控制器参数来抑制振荡的局限性，文中提出一种基于dq解耦控制的主动阻尼补偿的新方法，实现了网侧变流器有功功率与无功功率的独立解耦控制，将直流侧电压信号反馈至电压环控制器，再通过反馈环节进行阻尼补偿。仿真对比不同控制策略下网侧整流器应用于车网系统仿真模型的工作特性，结果表明，基于dq解耦控制的主动阻尼补偿方法能够实现实时无静差跟踪并具有良好的抗干扰性能，能够较好地抑制高速铁路牵引网低频振荡。
英文摘要:
      
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