Single-Phase Step-Up Five-Level Inverter with Phase-Shifted Pulse Width Modulation

Jianfei Chen; Caisheng Wang; Jian Li

Single-Phase Step-Up Five-Level Inverter with Phase-Shifted Pulse Width Modulation

Jianfei Chen

Caisheng Wang

Jian Li

Vol. 19, No. 1, pp. 134-145, Jan. 2019

10.6113/JPE.2019.19.1.134

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Abstract

A single-phase step-up five-level inverter topology with a new phase-shifted pulse width modulation (PS-PWM) strategy is proposed in this paper. When compared with conventional single-phase five-level inverter topologies, the proposed topology can realize multilevel inversion with a double step-up ratio, a reduced number of switching devices and self-balanced capacitor voltages. When compared with the conventional PS-PWM strategy, the new PS-PWM strategy can be implemented with one carrier reduced, which makes it much easier to implement in a digital signal processor (DSP) system. Experimental results have been presented to verify the effectiveness of the proposed inverter and the PS-PWM strategy.

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Cite this article

[IEEE Style]

J. Chen, C. Wang, J. Li, "Single-Phase Step-Up Five-Level Inverter with Phase-Shifted Pulse Width Modulation," Journal of Power Electronics, vol. 19, no. 1, pp. 134-145, 2019. DOI: 10.6113/JPE.2019.19.1.134.

[ACM Style]

Jianfei Chen, Caisheng Wang, and Jian Li. 2019. Single-Phase Step-Up Five-Level Inverter with Phase-Shifted Pulse Width Modulation. Journal of Power Electronics, 19, 1, (2019), 134-145. DOI: 10.6113/JPE.2019.19.1.134.