Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems
A saturated iron-core superconducting fault current limiter (SI-SFCL) can significantly limit the magnitude of the fault current and reduce the stress on circuit breakers in direct current (DC) power systems. The SI-SFCL consists of three main parts: one magnetic iron-core, one normal conductive pri...
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Online Access: | https://www.mdpi.com/1996-1073/13/22/6090 |
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doaj-07927cbf74e74c74a9755611fc0bbf412020-11-25T04:09:43ZengMDPI AGEnergies1996-10732020-11-01136090609010.3390/en13226090Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power SystemsVan Quan Dao0Jae-In Lee1Chang Soon Kim2Minwon Park3Umberto Melaccio4Department of Electrical Engineering, Changwon National University, Changwon 51140, KoreaDepartment of Electrical Engineering, Changwon National University, Changwon 51140, KoreaDepartment of Electrical Engineering, Changwon National University, Changwon 51140, KoreaDepartment of Electrical Engineering, Changwon National University, Changwon 51140, KoreaDepartment of Industrial Engineering, University of Bologna, 40126 Bologna, BO, ItalyA saturated iron-core superconducting fault current limiter (SI-SFCL) can significantly limit the magnitude of the fault current and reduce the stress on circuit breakers in direct current (DC) power systems. The SI-SFCL consists of three main parts: one magnetic iron-core, one normal conductive primary coil (CPC), and one superconducting secondary coil (SSC). This paper deals with the design options for the coil system of the SI-SFCL and confirms their operating characteristics through a physical experiment. The electromagnetic characteristics and operational features of the SI-SFCL was analyzed by a 3D finite element method simulation model. The design of the SSC was based on shape, wire types, required fault current limit and protection aspects. In the CPC, the bobbin was designed based on material selection, cost, structural design, and the effects of the SI-SFCL on the fault current limit. Based on these simulation results, a laboratory-scale SI-SFCL was developed, specifically fabricated to operate on a 500 V, 50 A direct current (DC) power system. In the experiment, the operating characteristics of each coil were analyzed, and the fault current limit of the SI-SFCL according to the operating currents of the SSC and bobbin design of the CPC were confirmed. Finally, the cost analysis of the SI-SFCL with the proposed design options of the coil system was implemented. The results obtained through this study can be effectively used to large-scale SI-SFCL development studies for high-voltage direct current (HVDC) power systems.https://www.mdpi.com/1996-1073/13/22/6090electromagnetic transient analysisfault current limitsaturated iron-core superconducting fault current limiterVSC-DC power system |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Van Quan Dao Jae-In Lee Chang Soon Kim Minwon Park Umberto Melaccio |
spellingShingle |
Van Quan Dao Jae-In Lee Chang Soon Kim Minwon Park Umberto Melaccio Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems Energies electromagnetic transient analysis fault current limit saturated iron-core superconducting fault current limiter VSC-DC power system |
author_facet |
Van Quan Dao Jae-In Lee Chang Soon Kim Minwon Park Umberto Melaccio |
author_sort |
Van Quan Dao |
title |
Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems |
title_short |
Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems |
title_full |
Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems |
title_fullStr |
Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems |
title_full_unstemmed |
Design and Performance Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter for DC Power Systems |
title_sort |
design and performance analysis of a saturated iron-core superconducting fault current limiter for dc power systems |
publisher |
MDPI AG |
series |
Energies |
issn |
1996-1073 |
publishDate |
2020-11-01 |
description |
A saturated iron-core superconducting fault current limiter (SI-SFCL) can significantly limit the magnitude of the fault current and reduce the stress on circuit breakers in direct current (DC) power systems. The SI-SFCL consists of three main parts: one magnetic iron-core, one normal conductive primary coil (CPC), and one superconducting secondary coil (SSC). This paper deals with the design options for the coil system of the SI-SFCL and confirms their operating characteristics through a physical experiment. The electromagnetic characteristics and operational features of the SI-SFCL was analyzed by a 3D finite element method simulation model. The design of the SSC was based on shape, wire types, required fault current limit and protection aspects. In the CPC, the bobbin was designed based on material selection, cost, structural design, and the effects of the SI-SFCL on the fault current limit. Based on these simulation results, a laboratory-scale SI-SFCL was developed, specifically fabricated to operate on a 500 V, 50 A direct current (DC) power system. In the experiment, the operating characteristics of each coil were analyzed, and the fault current limit of the SI-SFCL according to the operating currents of the SSC and bobbin design of the CPC were confirmed. Finally, the cost analysis of the SI-SFCL with the proposed design options of the coil system was implemented. The results obtained through this study can be effectively used to large-scale SI-SFCL development studies for high-voltage direct current (HVDC) power systems. |
topic |
electromagnetic transient analysis fault current limit saturated iron-core superconducting fault current limiter VSC-DC power system |
url |
https://www.mdpi.com/1996-1073/13/22/6090 |
work_keys_str_mv |
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