Impact of Grid Impedance Variations on Harmonic Emission of Grid-Connected Inverters

被引：0
作者：
Hoseinzadeh, Bakhtyar [1 ,2 ]
Bak, Claus Leth [1 ]
Blaabjerg, Frede [1 ]
机构：
[1] Aalborg Univ, Aalborg, Denmark
[2] Univ Kurdistan, Sanandaj, Iran
来源：
2017 IEEE MANCHESTER POWERTECH | 2017年
关键词：
Harmonic magnification; resonance circuit; grid impedance; power electronics; voltage source inverter; grid-connected converter; strong grid; LCL filter;
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：
This paper addresses harmonic magnification due to resonance circuits resulting from interaction between uncertain grid impedance and converter. The source of harmonic may be either the grid or inverter. It is demonstrated that unknown and unpredictable grid impedance may result in variable resonance frequency, which challenges robust design of LCL filter of inverter.
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页数：5
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