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《Journal of Electric Power Science and Technology》 2009-01
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Research on a new unsymmetrical PWM technique for large capacity inverter

ZHANG Bing,QIU Jin,HE Yan(Electric Power Research Institute of SGCC,Wuhan 430074,China)  
A new unsymmetrical PWM technique is introduced in this paper,which is particularly applied to high-power inverter control in flexible AC transmission systems(FACTS).The proposed pulse pattern possesses only half-wave inverse symmetry,but its quarter-wave symmetry is absent,the freedom degree of switching angles is doubled,the specific harmonics are thus controlled by their amplitudes and phase angles.In the lower switching frequency,the technique is designed for use in an active power filter.The good performance of this technique in harmonics compensation is verified by the simulation of a parallel compensator using Simplorer.
【CateGory Index】: TM464
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 LI Song(College of Electrical Engineering,East China jiaotong University,Nanchang 330013,China);Study of three-level inverter modulation technology[J];Journal of Electric Power Science and Technology;2007-03
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 HUANG Hua (School of Electrical and Electronic Engineering,East China Jiaotong University,Nanchang 330013,China);A novel current-doublers-rectifier zero-voltage-switching PWM full-bridge three-level DC converter[J];Journal of Electric Power Science and Technology;2008-03
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Zhan Changjiang Qin Quanhua Han Yinduo Wang zhonghong Tsinghua University,Beijing,100084 China Chen Jian Huazhong University of Science and Technology,Wuhan,430074 China;STUDY ON MATHEMATICAL MODEL AND SYSTEM SIMULATION OF THE THREE LEVEL PWM REVERSIBLE RECTIFIER[J];Proceedings of the Csee;1999-07
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