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http://dx.doi.org/10.6113/JPE.2015.15.6.1517

Wavelet PWM Technique for Single-Phase Three-Level Inverters  

Zheng, Chun-Fang (Department of Shipbuilding Engineering, Guangzhou Maritime Institute)
Zhang, Bo (Department of Electric Power, South China University of Technology)
Qiu, Dong-Yuan (Department of Electric Power, South China University of Technology)
Zhang, Xiao-Hui (Department of Electric Power, South China University of Technology)
Xiao, Le-Ming (Department of Shipbuilding Engineering, Guangzhou Maritime Institute)
Publication Information
Journal of Power Electronics / v.15, no.6, 2015 , pp. 1517-1523 More about this Journal
Abstract
The wavelet PWM (WPWM) technique has been applied in two-level inverters successfully, but directly applying the WPWM technique to three-level inverters is impossible. This paper proposes a WPWM technique suitable for a single-phase three-level inverter. The work analyzes the control strategy with the WPWM and obtains the design of its parameters. Compared with the SPWM technique for a single-phase three-level inverter under the same conditions, the WPWM can obtain high magnitudes of the output fundamental frequency component, low total harmonic distortion, and simpler digital implementation. The feasibility experiment is given to verify of the proposed WPWM technique.
Keywords
Single-phase three-level inverters; Sinusoidal pulse width modulation (SPWM); Wavelet modulation;
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Times Cited By KSCI : 1  (Citation Analysis)
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