Improved Modulation Strategy for Singe-Phase Cascaded H-Bridge Multilevel Inverter

In this letter, two new improved pulsewidth modulation (PWM) techniques are proposed for single-phase cascaded H-bridge inverter. Compared with the conventional modulation methods, including phase-shifted PWM (PS-PWM), level-shifted PWM (LS-PWM), discontinuous modulation (D-PWM), only PS-PWM can ens...

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Veröffentlicht in:	IEEE transactions on power electronics 2022-03, Vol.37 (3), p.2470-2474
Hauptverfasser:	Guo, Xiaoqiang, Wang, Xiaoming, Wang, Chaozhe, Lu, Zhigang, Hua, Changchun, Blaabjerg, Frede
Format:	Artikel
Sprache:	eng
Schlagworte:	Cascaded inverter Harmonic analysis High frequency Inverters Modulation Modules Pulse duration modulation Pulse width modulation pulsewidth modulation (PWM) single-phase inverter Switches Switching Switching circuits Switching loss
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