A Novel Method for Selective Harmonic Elimination and Current Control in Multilevel Current Source Inverters

被引：0
作者：
Farahani, Hassan Feshki [1 ]
Rashidi, Farzan [2 ]
机构：
[1] Islamic Azad Univ, Dept Elect Engn, Ashtian Branch, Ashtian, Iran
[2] Hormozgan Univ, ECE Dept, Bandar Abbas, Iran
来源：
INTERNATIONAL REVIEW OF ELECTRICAL ENGINEERING-IREE | 2010年 / 5卷 / 02期
关键词：
Pulse Width Modulation; Multi Level Current Source Inverter; Selective Harmonic Elimination; Modulation Index and Current Control;
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：
One of the most important problems in power electronic, especially inverters, is its switching. The amplitude of the harmonics can be reduced by using of multilevel inverters. So it leads to decrease of output current total harmonic distortion (THD). In the multilevel current source (MLCSI) the entire harmonics cannot be removed and some of them can be appeared in the output current. This paper presents a novel method in which combination of chops and short circuit pulses are positioned in such a way that lower order harmonics are eliminated selectively besides current magnitude modulation with minimum switching frequency. Generalized equations which show the relationship of various PWM-SHEM parameters to the position of short circuit pulses and the number of chops per 360 degrees are provided and discussed in details. To verify proposed method, a sample multilevel current source inverter has been designed and simulated in PSPICE. Copyright (C) 2010 Praise Worthy Prize S.r.l. - All rights reserved.
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收藏
页码：356 / 363
页数：8
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