A DC Circuit Breaker with Artificial Zero Current Interruption

被引：0
|
作者：
Singh, Shrishti [1 ]
Bhattacharya, Subhashish [1 ]
White, Leonard W. [1 ]
机构：
[1] NC State Univ, FREEDM Syst Ctr, Raleigh, NC 27695 USA
来源：
2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2019年
关键词：
DCCB; DC Circuit Breaker; HVDC; High Voltage Direct Current; current interruption; zero crossing;
D O I：
10.1109/ecce.2019.8912956
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A method for inducing a forced DC crossing applied to a Direct Current Circuit Breaker (DCCB) for High Voltage Direct Current (HVDC) applications is described. A low voltage prototype was developed, and theoretical analysis was done on the circuit to derive an expression for the fault clearance time. The circuit was modelled on PLECS for verification of the working principle. Hardware was fabricated for a 40 VDC, 2 A continuous current rating; the ideal analytical expression for fault clearance time was verified from the experimental value, which was observed to be 62.76 mu S. Work described is covered by US Patent Publication No. 2017/0345587.
引用
收藏
页码：1047 / 1051
页数：5
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