Theory Analysis of Harmonic Current Generation and Harmonic Current Extraction of Three-phase Grid-connected Inverter

被引：0
|
作者：
Sun, Shaohua [1 ]
Ben, Hongqi [2 ]
Li, Yingge [1 ]
Wang, Leyi [1 ]
Yu, Shuai [2 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Automat & Elect Engn, Qingdao, Peoples R China
[2] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Peoples R China
来源：
2015 9TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE-ECCE ASIA) | 2015年
关键词：
adaptive notch filter; theory of the harmonic current generation; three-phase grid-connected inverter; unbalanced grid conditions; ACTIVE POWER FILTER; SYNCHRONIZATION; CONVERTERS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Theory of the harmonic current generation of three-phase grid-connected inverter under unbalanced grid conditions is analyzed in detail in this paper. Based on the characteristic of three-phase currents, the structure of three adaptive notch filter(ANF) cells collaborating with fast positive and negative sequence decomposition(FPNSD) cell is proposed, which employs for the extraction of harmonic current. The main function of this harmonic current extraction method is to provide harmonic current for voltage regulation and power control of inverter. Moreover, this method is capable of extracting a selective order of harmonic where elimination of certain harmonic is of concern. The performance and analysis of the proposed structure in this study are verified through experimental cases.
引用
收藏
页码：2724 / 2729
页数：6
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