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http://dx.doi.org/10.6113/JPE.2019.19.1.134

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

Chen, Jianfei (School of Electrical Engineering, Chongqing University)
Wang, Caisheng (Department of Electrical and Computer Engineering, Wayne State University)
Li, Jian (School of Electrical Engineering, Chongqing University)
Publication Information
Journal of Power Electronics / v.19, no.1, 2019 , pp. 134-145 More about this Journal
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.
Keywords
Five-level; PS-PWM; Self-balance; Single-phase; Step-up;
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Times Cited By KSCI : 1  (Citation Analysis)
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