1 results about "Loop closing" patented technology

The invention relates to an intelligent synchronous operation fast loop closing device, which comprises three fast vacuum circuit breakers and an intelligent controller, and is characterized in that the three fast vacuum circuit breakers are respectively arranged in three cabinet bodies, two of the cabinet bodies which are only provided with the fast vacuum circuit breaker are placed at master outlet switches of two transformer respectively, the cabinet body containing the fast vacuum circuit breaker acts as a bus connection switch, the intelligent controller is arranged on a bus connection cabinet body, the fast vacuum circuit breakers in the three cabinet bodies can be controlled simultaneously through a cable or an optical fiber, and the state of each fast vacuum circuit breaker is monitored in real time so as to realize self-inspection. According to the invention, the three fast vacuum circuit breakers are adopted to act as an executing mechanism, the opening time of the fast vacuum circuit breaker is ensured to be less than 3ms, and the closing time of the fast vacuum circuit breakers is ensured to be less than 5ms.