Title :
A Novel Modulation Technology for Multilevel Inverter Based on Equivalent Area
Author :
Zhang, Yun ; Yun-ping Zou ; Wang, Cheng-zhi ; Zhang, Jie ; Wu, Zhen-xing
Author_Institution :
Huazhong Univ. of Sci. & Technol., Wuhan
Abstract :
This paper presents a novel equalarea modulation strategy to be applied to multilevel voltage-source inverter. The proposed method used in 7-level inverter can generate output- stepped waveforms with equalarea sinusoidal and minimized total harmonic distortion (THD) of voltage. By using mathematic analyses and comparing with selected harmonic elimination PWM (SHEPWM), experimental simulation waveforms and corresponding spectrums demonstrate that the proposed method is more effective for the reduction of total harmonic distortion.
Keywords :
PWM invertors; harmonic distortion; mathematical analysis; modulation; 7-level inverter; THD; equalarea modulation strategy; equivalent area; mathematic analyses; modulation technology; multilevel voltage-source inverter; selected harmonic elimination PWM; total harmonic distortion; Analytical models; Circuits; Harmonic analysis; Industrial Electronics Society; Notice of Violation; Pulse width modulation inverters; Space vector pulse width modulation; Switches; Total harmonic distortion; Voltage;
Conference_Titel :
Industrial Electronics Society, 2007. IECON 2007. 33rd Annual Conference of the IEEE
Conference_Location :
Taipei
Print_ISBN :
1-4244-0783-4
DOI :
10.1109/IECON.2007.4460021
