Schneider Electric Industries Sas

Longfei Hao

Gang Wang

Min Li

Xiangming Zeng

Haibo Huang

Xiaoqiang Lei

Dabin Wu

Jing Guo

Hongwei Wu

Zongqian Shi

Bingchang Wu

A DC circuit breaker device is provided, including: a circuit breaker module including a first circuit breaker and a second circuit breaker connected in series with the first circuit breaker; a commutation module connected in parallel with the first circuit breaker and including a commutation capacitor, a commutation switch module and a commutation inductor connected in series; the commutation switch module including a commutation switch positive branch and a commutation switch negative branch; and a control module coupled to the circuit breaker module and the commutation module, and configured to control the switching on/off of the commutation switch positive branch and the commutation switch negative branch after the first circuit breaker is re-closed. A method of controlling a DC circuit breaker is also provided.

Direct current circuit breaker device and control method therefor

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Shanghai, China

Longfei Hao