Study of IGCT Based Superconducting Hybrid DC Circuit Breakers in Subway DC Traction Power Supply System
DC circuit breaker plays a salient character in the conservation of metro traction power supply system. The crucial point in designing the circuit breaker is to analyze the short circuit characteristics after a fault occurs. This paper presents the construction and features of the subway traction po...
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Veröffentlicht in: | IEEE transactions on applied superconductivity 2024-11, Vol.34 (8), p.1-4 |
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creator | Junaid, Muhammad Yu, Wenqing Yu, Xiaolong Cao, Shuzhi Wang, Jianhua |
description | DC circuit breaker plays a salient character in the conservation of metro traction power supply system. The crucial point in designing the circuit breaker is to analyze the short circuit characteristics after a fault occurs. This paper presents the construction and features of the subway traction power supply system, establishes the test circuit under faults f, e and d, and analyzes the short-circuit characteristics under the three fault conditions. Lastly, the topology of the IGCT-based superconducting hybrid DC circuit breaker (SDCCB) is described and the fault current interruption characteristics under faults f, e and d are analyzed. The results show that the nearer the short-circuit location is to the rectifier outlet, the higher the peak and rate of climb of the current. And the proposed SDCCB can be successfully interrupted in all three fault cases and normal cases. |
doi_str_mv | 10.1109/TASC.2024.3443012 |
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The crucial point in designing the circuit breaker is to analyze the short circuit characteristics after a fault occurs. This paper presents the construction and features of the subway traction power supply system, establishes the test circuit under faults f, e and d, and analyzes the short-circuit characteristics under the three fault conditions. Lastly, the topology of the IGCT-based superconducting hybrid DC circuit breaker (SDCCB) is described and the fault current interruption characteristics under faults f, e and d are analyzed. The results show that the nearer the short-circuit location is to the rectifier outlet, the higher the peak and rate of climb of the current. 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The crucial point in designing the circuit breaker is to analyze the short circuit characteristics after a fault occurs. This paper presents the construction and features of the subway traction power supply system, establishes the test circuit under faults f, e and d, and analyzes the short-circuit characteristics under the three fault conditions. Lastly, the topology of the IGCT-based superconducting hybrid DC circuit breaker (SDCCB) is described and the fault current interruption characteristics under faults f, e and d are analyzed. The results show that the nearer the short-circuit location is to the rectifier outlet, the higher the peak and rate of climb of the current. And the proposed SDCCB can be successfully interrupted in all three fault cases and normal cases.</description><subject>Circuit breakers</subject><subject>Circuit faults</subject><subject>Commutation process</subject><subject>DC circuit breakers</subject><subject>Electric power supplies</subject><subject>Fault location</subject><subject>Public transportation</subject><subject>Rectifiers</subject><subject>Short circuits</subject><subject>Substations</subject><subject>Subway construction</subject><subject>Subways</subject><subject>superconductive fault current limiter</subject><subject>Superconductivity</subject><subject>Topology</subject><subject>Traction</subject><subject>Traction power supplies</subject><subject>traction power supply</subject><subject>Voltage</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkNFKwzAUhoMoOKcPIHgR8LozJ0mb9HKrug0GCq3XIW0T7dzamrSMvr0t88Krc-B8_3_gQ-geyAKAxE_ZMk0WlFC-YJwzAvQCzSAMZUBDCC_HnYQQSErZNbrxfk8IcMnDGfpKu74ccGPxdp1keKW9KXHat8YVTV32RVfVn3gz5K4q8XOCk8oVfdXhlTP62ziPq3qk85Mepmvm9BhoavzenIybatrDgNPBd-Z4i66sPnhz9zfn6OP1JUs2we5tvU2Wu6AAEXWBFJG0hYlzZiyPrTCaMEsLHhFtuaBCEqJZyRiIXGtGgWvQUOYGIgmEC87m6PHc27rmpze-U_umd_X4UjESi5iSWMqRgjNVuMZ7Z6xqXXXUblBA1CRUTULVJFT9CR0zD-dMZYz5x0csGr2yX9qVcKU</recordid><startdate>20241101</startdate><enddate>20241101</enddate><creator>Junaid, Muhammad</creator><creator>Yu, Wenqing</creator><creator>Yu, Xiaolong</creator><creator>Cao, Shuzhi</creator><creator>Wang, Jianhua</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The crucial point in designing the circuit breaker is to analyze the short circuit characteristics after a fault occurs. This paper presents the construction and features of the subway traction power supply system, establishes the test circuit under faults f, e and d, and analyzes the short-circuit characteristics under the three fault conditions. Lastly, the topology of the IGCT-based superconducting hybrid DC circuit breaker (SDCCB) is described and the fault current interruption characteristics under faults f, e and d are analyzed. The results show that the nearer the short-circuit location is to the rectifier outlet, the higher the peak and rate of climb of the current. 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subjects | Circuit breakers Circuit faults Commutation process DC circuit breakers Electric power supplies Fault location Public transportation Rectifiers Short circuits Substations Subway construction Subways superconductive fault current limiter Superconductivity Topology Traction Traction power supplies traction power supply Voltage |
title | Study of IGCT Based Superconducting Hybrid DC Circuit Breakers in Subway DC Traction Power Supply System |
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