A Novel Bidirectional Γ-Z-Source Solid State Circuit Breaker for More Electirc Aircraft

Yixi Yang, Tao Zhang, Zhongzheng Zhou, Yu Ding, Dongpo Deng, Weilin Li

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

Abstract

Due to the requirements by climate change, significant advancements have been made in the electric power system (EPS) of More Electric Aircraft (MEA), leading to the widespread use of High Voltage DC (HVDC) EPS. An effective protection measure for HVDC is the Solid-State Circuit Breaker (SSCB). To guarantees the power density of bi-directional SSCB, this paper proposes a bi-directional Γ-Z-source SSCB (ΓZSCB) with a high device reuse rate. A mathematical model is established by analyzing the steady state and fault transient. Furthermore, a Saber simulation is conducted to validate the topology's autonomous shutdown characteristics and load mutation capability. The effectiveness of the proposed topology is verified along with the modeling method.

Original languageEnglish
Title of host publication2025 International Conference on Industrial Technology, ICIT 2025 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331521950
DOIs
StatePublished - 2025
Event26th International Conference on Industrial Technology, ICIT 2025 - Wuhan, China
Duration: 26 Mar 202528 Mar 2025

Publication series

NameProceedings of the IEEE International Conference on Industrial Technology
ISSN (Print)2641-0184
ISSN (Electronic)2643-2978

Conference

Conference26th International Conference on Industrial Technology, ICIT 2025
Country/TerritoryChina
CityWuhan
Period26/03/2528/03/25

Keywords

  • Bidirectional
  • Electric Power System
  • More Electirc Aircraft
  • Solid-state Circuit Breaker
  • Γ-z Source Circuit Breaker

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