A New Z-Source DC Circuit Breaker

被引：188
作者：
Corzine, Keith A. [1 ]
Ashton, Robert W. [1 ]
机构：
[1] Creat Energy Solut, Thornton, PA 19382 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2012年 / 27卷 / 06期
关键词：
Circuit breakers; fault current limiters; power system faults; power system protection; thyristor circuits; Z-SOURCE INVERTER;
D O I：
10.1109/TPEL.2011.2178125
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel type of circuit breaker is introduced for operation at medium-voltage dc with future naval ship power systems as a targeted application. The breaker utilizes a z-source LC circuit in order to automatically commutate a main-path SCR during a fault. Compared to existing dc circuit breakers, the z-source breaker features fast turn-off, simple control, and the source does not experience the fault current. The operation and analysis of the new breaker is presented. Component sizing is carried out for three medium-voltage power levels. Incorporation of the new breaker within a drive system is also explored. Laboratory validation is carried out on a low-voltage prototype.
引用
收藏
页码：2796 / 2804
页数：9
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