NDLI: Current-fed quasi-Z-source inverter with voltage buck-boost and regeneration capability

Content Provider	IEEE Xplore Digital Library
Author	Shuitao Yang Peng, F.Z. Lei, Q. Inoshita, R. Zhaoming Qian
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical and Computer Engineering, Michigan State University, East Lansing, 48824, USA (Peng, F.Z.; Lei, Q.) \|\| DENSO CORP., Japan (Inoshita, R.) \|\| College of Electrical Engineering, Zhejiang University, Hangzhou 31007, China (Shuitao Yang; Zhaoming Qian)
Abstract	The conventional current-source inverter has two major problems: unidirectional power flow and voltage boost operation, which makes it impossible to be used in many applications such as hybrid electric vehicles (HEVs) and general purpose variable speed motor drives. The Z-source inverters (ZSIs) can solve both problems. The quasi-Z-source inverters (qZSIs) were recently proposed as an important improvement to the traditional Z-source inverters. Besides the advantages inherited from the ZSIs, the qZSIs also have several of their own merits. The current-fed qZSI/ZSI is bidirectional with an additional diode, unlike the voltage-fed qZSI/ZSI that needs a switch to achieve bidirectional power flow. This paper presents a comprehensive study on the new features of the current-fed qZSI, including the advantageous buck-boost function, improved reliability, reduced passive component ratings, and unique regeneration capability. A modified SVPWM method is proposed and the available operating regions (motoring and regeneration operation) are analyzed in this paper. Since the current-fed qZSI has the same operation with the current-fed ZSI, many results of this paper are also applicable to the current-fed ZSI. A reverse blocking IGBT (RB-IGBT) based current-fed qZSI prototype was developed in the laboratory. Experimental results are shown to verify the theoretical analysis.
Starting Page	3675
Ending Page	3682
File Size	531275
Page Count	8
File Format	PDF
ISBN	9781424428939
DOI	10.1109/ECCE.2009.5316557
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space vector pulse width modulation Insulated gate bipolar transistors Motor drives Voltage source inverter (VSI) Z-source inverter Bidirectional power flow Switches Inverters Hybrid electric vehicles Regeneration capability Diodes Load flow Voltage buck-boost Voltage Current source inverter (CSI)
Content Type	Text
Resource Type	Article

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