DC Circuit Breaker Using Superconductor for Current Limiting

被引：57

作者：

Xiang, Bin ^{[1
]}

Liu, Zhiyuan ^{[1
]}

Geng, Yingsan ^{[1
]}

Yanabu, Satoru ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2015年 / 25卷 / 02期

关键词：

Direct-current circuit breaker (DCCB); gas circuit breaker (CB); parallel resistance; self-oscillation circuit; superconductor; FAULT-CURRENT LIMITER; ARC;

D O I：

10.1109/TASC.2014.2363058

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：

The unavailability of high-capacity HVdc circuit breakers (CBs) is one of the key stoppers for building HVdc multi-terminal networks. As the dc does not have a natural current zero, its interruption is very different. The objective of this paper is to propose a new type of dc CB (DCCB), including a current-limiting part and an interrupting part, which can interrupt a high short-circuit current. Experimental results show that the current-limiting part containing superconductor tapes and parallel resistance can limit the fault current from 20 to 1 or 2 kA very quickly within 1 ms. The interrupting part using the self-oscillation method can break this limited current. Therefore, this type of DCCB has the ability of interrupting a high short-circuit current.

引用

页数：7

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