Influence of Modulation Method on Using LC-Traps with Single-Phase Voltage Source Inverters

被引：0
|
作者：
Wang, Xiongfei [1 ]
Huang, Min [1 ]
Bai, Haofeng [1 ]
Loh, Poh Chiang [1 ]
Blaabjerg, Frede [1 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Pontoppidanstraede 101, DK-9220 Aalborg, Denmark
来源：
2015 17TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'15 ECCE-EUROPE) | 2015年
关键词：
Pulse width modulation; LC-trap filter; Voltage source inverters; Harmonics; Resonance; GRID-TIED INVERTER; FILTER;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The switching-frequency LC-trap filter has recently been employed with high-order passive filters for Voltage Source Inverters (VSIs). This paper investigates the influence of modulation method on using the LC-traps with single-phase VSIs. Two-level (bipolar) and three-level (unipolar) modulations that include phase distortion and alternative phase opposition distortion methods are analyzed. Harmonic filtering performances of four LC-trap-based filters with different locations of LC-traps are compared. It is shown that the use of parallel-LC-traps in series with filter inductors, either grid or converter side, has a worse harmonic filtering performance than using series-LC-trap in the shunt branch. Simulations and experimental results are presented for verifications.
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页数：9
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