Hybrid-Mode Cuk Inverter with Low-Voltage Ride-Through Capability under Grid-Faults

Byeongcheol Han, Minsung Kim, Jih Sheng Lai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

This paper proposes a hybrid-mode Cuk inverter with low-voltage ride-through (LVRT) capability under grid-faults. It operates as an unfolding-type inverter during normal grid condition and two-stage inverter during abnormal grid condition. Thus, it normally transfers the energy to the utility grid highly efficiently, and also has the LVRT ability under grid-faults. Moreover, two types of inverters share the full-bridge circuit on the grid-side and so the proposed circuit can be developed with low cost and reduced size. This paper outlines operation principles and control methods for the proposed inverter. The prototype of the proposed converter was implemented and experimental tests were carried out to demonstrate its practical feasibility.

Original languageEnglish
Title of host publicationICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2892-2898
Number of pages7
ISBN (Electronic)9788957083130
StatePublished - May 2019
Event10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia - Busan, Korea, Republic of
Duration: 27 May 201930 May 2019

Publication series

NameICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

Conference

Conference10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia
Country/TerritoryKorea, Republic of
CityBusan
Period27/05/1930/05/19

Keywords

  • Fault-ride through
  • Grid-connected inverter
  • Reactive power control
  • Repetitive control

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