A Novel Space Vector Modulation Scheme for a 10-Switch Converter

Parviz Najafi, Abbas Houshmand Viki, Mahdi Shahparasti, S. Sajjad Seyedalipour and Edris Pouresmaeil
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Parviz Najafi: Electrical Engineering Department, Khajeh Nasir Toosi University of Technology, Tehran 19697-64499, Iran
Abbas Houshmand Viki: Electrical Engineering Department, Khajeh Nasir Toosi University of Technology, Tehran 19697-64499, Iran
Mahdi Shahparasti: Electrical Engineering Section, The Mads Clausen Institute, University of Southern Denmark, 5230 Odense, Denmark
S. Sajjad Seyedalipour: Electrical Engineering Department, Khajeh Nasir Toosi University of Technology, Tehran 19697-64499, Iran
Edris Pouresmaeil: Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland

Energies, 2020, vol. 13, issue 7, 1-19

Abstract: Three-level converters have drawn extensive attention due to their ability to deliver high-quality power. High semiconductor count is the main drawback of three-level converters. As a solution to this, a 10-switch converter is presented, that has advantages over both two- and three-level converters, simultaneously, plus it is applicable to a variety of power ranges. However, the switching pattern of 10-switch converter is not as simple as standard three-level converter due to lack of medium vectors. This paper presents a novel space vector modulation (SVM) for a 10-switch converter to reduce total harmonic distortion (THD) and common mode voltage (CMV) of this converter in comparison to prior carrier-based modulation methods. A simplified, low-cost modulation algorithm for the converter is proposed. The designed switching sequence has aimed at a low output THD and enhancement of DC bus voltage utilization. The performance of the proposed SVM is then compared to upgraded sinusoidal PWM. AC power quality and CMV of a 10-switch converter based on two modulation methods are investigated via simulation models. It was validated via simulation and experimental models that the proposed SVM utilized DC bus voltage more efficiently, generated remarkably less THD compared to other methods, and had a lower peak and rms CMV.

Keywords: space vector; total harmonic distortion; 10-switch converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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