Space vector pulse width amplitude modulation strategy for three‑level direct matrix converter

Peile Ye; Qiming Cheng

Space vector pulse width amplitude modulation strategy for three‑level direct matrix converter

Peile Ye

Qiming Cheng

Vol. 21, No. 7, pp. 974-985, Jul. 2021

10.1007/s43236-021-00243-7

Three-level direct matrix converter

Space vector modulation

Fictitious rectifier

Space vector pulse width amplitude modulation

Virtual space vector pulse width modulation

Abstract

The total harmonic distortion and switching stress of a three-level direct matrix converter (TLDMC) is greatly reduced in comparison with those of a conventional matrix converter (MC). Meanwhile, the TLDMC leads to major advantages in comparison with existing multi-level AC–DC–AC converter topologies in terms of reduced switch counts and lowered switching power loss. In this paper, a space vector pulse width amplitude modulation (SVPWAM) strategy for the TLDMC is proposed, which can reduce the number of switching actions and improve the voltage utilization by eliminating the zero vector of each sector. An indirect modulation model of a TLDMC is discussed according to the topology of TLDMC in this paper. For the space vector modulation of the TLDMC, the space vector pulse width modulation (SVPWM) with a zerovector of the fictitious rectifier stage is improved to form the SVPWAM. In addition, the virtual space vector pulse width modulation (VSVPWM) strategy is used for the fictitious inverter stage. Finally, simulation and experimental results verify the correctness of the proposed method.

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Cite this article

[IEEE Style]

P. Ye and Q. Cheng, "Space vector pulse width amplitude modulation strategy for three‑level direct matrix converter," Journal of Power Electronics, vol. 21, no. 7, pp. 974-985, 2021. DOI: 10.1007/s43236-021-00243-7.

[ACM Style]

Peile Ye and Qiming Cheng. 2021. Space vector pulse width amplitude modulation strategy for three‑level direct matrix converter. Journal of Power Electronics, 21, 7, (2021), 974-985. DOI: 10.1007/s43236-021-00243-7.