Experimental Verification of Novel Bi-Directional qZSI Based DC/DC Converter for Short Term Energy Storage Systems

Renewable Energy & Power Quality Journal 2011
Jānis Zaķis, Dmitri Vinnikov, Indrek Roasto, Leonīds Ribickis

This paper presents a new bi-directional isolated DC/DC converter for supercapacitor (SC) interfacing. During the SC charging mode, the converter operates as a VSI-based step-down DC/DC converter and during the energy recovery mode, as a qZSI-based step-up DC/DC converter. For galvanic isolation and voltage matching a medium frequency transformer was implemented. To achieve higher SC voltage boost the qZSI with the two-stage quasi-Z-source (qZS) network was introduced. The paper discusses the PSIM simulation and experimental results of proposed converter operating with a 14.4 V 142 F supercapacitor.

Keywords
DC/DC converter, quasi-Z-source inverter (qZSI)
DOI
10.24084/repqj09.550
Hyperlink
http://icrepq.com/icrepq'11/550-zakis.pdf

Zaķis, J., Vinnikov, D., Roasto, I., Ribickis, L. Experimental Verification of Novel Bi-Directional qZSI Based DC/DC Converter for Short Term Energy Storage Systems. Renewable Energy & Power Quality Journal, 2011, Vol. 1, No. 9, pp.1084-1088. ISSN 2172-038X. Available from: doi:10.24084/repqj09.550

Publication language
English (en)