New type LCCT-Z-source inverters

Marek Adamowicz, Ryszard Strzelecki, Fang Zheng Peng, Jaroslaw Guzinski, Haitham Abu-Rub

Research output: Chapter in Book/Report/Conference proceedingConference contribution

62 Citations (Scopus)

Abstract

Z-source inverters are suited for applications which require a large range of gain, such as in renewable energy. Recently proposed Trans-Z-source inverters (TZSIs) and T-source inverters (TSIs) characterize improved voltage gain thanks to the application of coupled inductors with turns ratio higher than one. The present paper extends the concept of Trans-Z-source (T-source) inverters. Two novel impedance networks: the LCCT (inductor-capacitor-capacitor-transformer) Z-source impedance network and the LCCT-qZ-source impedance network are presented. The former contains two built-in DC-current-blocking capacitors connected in series with transformer windings and therefore prevent the transformer core from saturation while the latter contains one built-in DC-current-blocking capacitor and combines the features of qZ-source and T-source impedance networks. The novel topologies of LCCT-impedance-source inverters: LCCT-Z-source inverter (LCCT-ZSI) and LCCT-quasi-Z-source inverter (LCCT-qZSI) proposed in the paper characterize available continuous input current which is the advantage compared to TZSIs and TSIs. Simulations and experimental results are provided to verify the analysis of two proposed topologies.

Original languageEnglish
Title of host publicationProceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011
Publication statusPublished - 2011
Event2011 14th European Conference on Power Electronics and Applications, EPE 2011 - Birmingham, United Kingdom
Duration: 30 Aug 20111 Sep 2011

Other

Other2011 14th European Conference on Power Electronics and Applications, EPE 2011
CountryUnited Kingdom
CityBirmingham
Period30/8/111/9/11

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Capacitors
Topology
Transformer windings
Electric potential

Keywords

  • Converter control
  • Digital control
  • High frequency power converter
  • Z-source inverter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Adamowicz, M., Strzelecki, R., Peng, F. Z., Guzinski, J., & Abu-Rub, H. (2011). New type LCCT-Z-source inverters. In Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011 [6020595]

New type LCCT-Z-source inverters. / Adamowicz, Marek; Strzelecki, Ryszard; Peng, Fang Zheng; Guzinski, Jaroslaw; Abu-Rub, Haitham.

Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011. 2011. 6020595.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adamowicz, M, Strzelecki, R, Peng, FZ, Guzinski, J & Abu-Rub, H 2011, New type LCCT-Z-source inverters. in Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011., 6020595, 2011 14th European Conference on Power Electronics and Applications, EPE 2011, Birmingham, United Kingdom, 30/8/11.
Adamowicz M, Strzelecki R, Peng FZ, Guzinski J, Abu-Rub H. New type LCCT-Z-source inverters. In Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011. 2011. 6020595
Adamowicz, Marek ; Strzelecki, Ryszard ; Peng, Fang Zheng ; Guzinski, Jaroslaw ; Abu-Rub, Haitham. / New type LCCT-Z-source inverters. Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011. 2011.
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