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http://dx.doi.org/10.6113/JPE.2016.16.5.1716

Topologies of Active-Switched Quasi-Z-source Inverters with High-Boost Capability  

Ho, Anh-Vu (School of Engineering, Eastern International University)
Chun, Tae-Won (Department of Electrical Engineering, University of Ulsan)
Publication Information
Journal of Power Electronics / v.16, no.5, 2016 , pp. 1716-1724 More about this Journal
Abstract
This paper proposes both an active-switched quasi-Z-source inverter (AS-qZSI) and an extended active-switched qZSI (EAS-qZSI), which are based on the classic qZSI. The proposed AS-qZSI adds only one active switch and one diode to the classic qZSI for increasing the voltage boost capability. Compared with other topologies based on the switched-inductor/capacitor qZSI, the proposed AS-qZSI requires fewer passive components in the impedance network under the same boost capability. Additionally, the proposed EAS-qZSI is designed by adding one inductor and three diodes to the AS-qZSI, which offers enhanced boost capability and lower voltage stress across the switches. The performances of the two proposed topologies are verified by simulation and experimental results obtained from a prototype with a 32-bit DSP built in a laboratory.
Keywords
Active switch; Quasi-Z-source inverters; Switched inductor; Voltage boost capability;
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Times Cited By KSCI : 2  (Citation Analysis)
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