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.

引用

页数：9

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