Conference proceeding
Proactive Thyristor-Based DC Solid-State Circuit Breaker
Conference proceedings - IEEE Applied Power Electronics Conference and Exposition, v 2023-, pp 1616-1621
19 Mar 2023
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This paper introduces a new proactive solid-state circuit breaker (P-SSCB) for direct current (dc) medium voltage applications. The P-SSCB aims to apply high-power rating thyristors while achieving a fast response speed and high efficiency. To manually turn off thyristors, a complimentary commutation technique is used; meanwhile, full-controlled switches are employed in the auxiliary branch to minimize the reaction time interval. To implement the complementary commutation and achieve a reliable turn-off process in the main thyristor, the injection capacitor in the auxiliary branch is charged by the dc system. The charging process of the injection capacitor is controlled by a thyristor, which helps to obtain a fast and reliable re-closing and re-breaking. During fault current interruption, the injection capacitor is prevented from being reversely charged using an anti-parallel diode to facilitate using polar capacitors. The proposed P-SSCB is validated in a medium-voltage dc test setup by experiments of 1.5 kV/265 A. The results show that the peak voltage across the main and auxiliary branches reaches 2895 V and 2852 V, respectively.
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Details
- Title
- Proactive Thyristor-Based DC Solid-State Circuit Breaker
- Creators
- Reza Kheirollahi - Drexel UniversityShuyan Zhao - Drexel UniversityYao Wang - Drexel UniversityHua Zhang - Rowan UniversityFei Lu - Drexel University
- Publication Details
- Conference proceedings - IEEE Applied Power Electronics Conference and Exposition, v 2023-, pp 1616-1621
- Publisher
- IEEE
- Number of pages
- 6
- Grant note
- DE-AR0001114 / U.S. Department of Energy (10.13039/100000015)
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:001012113601114
- Scopus ID
- 2-s2.0-85162267780
- Other Identifier
- 991022207163104721
UN Sustainable Development Goals (SDGs)
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Electrical & Electronic