A Modified Harmonic Mitigation Analysis Using Third Harmonic Injection PWM in a Multilevel Inverter Control

被引：0
作者：
Colak, Ilhami [1 ]
Bayindir, Ramazan [1 ]
Kabalci, Ersan [2 ]
机构：
[1] Gazi Univ, Fac Technol, Dept Elect Elect Engn, TR-06500 Ankara, Turkey
[2] Nevsehir Univ, Dept Tech Programs, Vocat Collage Haci Bektas Veli, TR-50800 Nevsehir, Turkey
来源：
PROCEEDINGS OF 14TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (EPE-PEMC 2010) | 2010年
关键词：
Multilevel converters; Harmonics; Pulse Width Modulation (PWM); Voltage Source Inverters (VSI); Third Harmonic Injection PWM (THI-PWM);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A modified Third Harmonic Injection PWM (THI-PWM) modulator that reduces output harmonics has been presented in this paper. The modulator is combined with harmonic injection and phase shifting parts in Simulink design. The harmonic injection ratios have been analysed according to harmonic amplitude ratio of third harmonic to fundamental amplitude. The designed modulator is capable to minimize the injected harmonic ratio in order to increase the modulation index over 1.15 limit of regular THI-PWM control scheme. The proposed VSI in this paper supplies 7-level line voltages and 0.25% THDi ratio at 5 kHz while the modulation index is 1.2.
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页数：6
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