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	Improvement of Z-source inverter properties using advanced PWM methods	[View]   [Download]
Author(s)	Jacek RABKOWSKI
Abstract	This paper describes improvement of the Z-source inverter (ZSI) properties possible due to advanced PWM methods. Switching conditions and distribution of semiconductor power losses in the ZSI are analyzed in reference to Voltage Source Inverter and Boost Converter system. Two new PWM methods are proposed, including Asymmetric Optimized Switching Type (AOST) with efficiency improvement by 2,7\%. Considerations are illustrated with datasheet based calculations, simulation results and test of the Z-source inverter 2,5kVA laboratory model.
Download	Filename: 0339-epe2009-full-12212547.pdf Filesize: 900.9 KB
Type	Members Only
Date	Last modified 2010-01-27 by System