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

Parviz Najafi, Abbas Houshmand Viki, Mahdi Shahparasti, S. Sajjad Seyedalipour, Edris Pouresmaeil

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)
80 Downloads (Pure)


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.

Original languageEnglish
Article number1855
Pages (from-to)1855-1873
Number of pages19
Issue number7
Publication statusPublished - 2020
MoE publication typeA1 Journal article-refereed


  • Space vector
  • Total harmonic distortion
  • 10-switch converter


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