Coupled-Reactor Hybrid DC Circuit Breaker

Fast Fault Current Limiting

Coupling reactors enable arc-less or low-arc breaking, limiting fault current peaks while shortening current transfer and interruption times.

Cheng, Xian · Yan, Dongdong · Ge, Guowei · Qinglin, Bai · Qin, Cong

Diangong Jishu Xuebao/Transactions of China Electrotechnical Society 2023

Specifications

电流转移时间从

{'zh': '1.5', 'en': ''} ms

故障电流峰值降低

{'zh': '47.1', 'en': ''} %

关断时间缩短

{'zh': '1.9', 'en': ''} ms

电流转移时间从

{'zh': '204', 'en': ''} μs

Advantages

Fault current peak reduced from 1,980 A to 950 A (experiment)