永磁式断路器直流主控分闸装置及方法
By designing a main control tripping circuit and a delayed re-operation circuit in the permanent magnet circuit breaker, the problem of circuit breaker failure to trip caused by failure to operate was solved, realizing reliable tripping operation and timely alarm of the circuit breaker, reducing the occurrence of circuit breaker failure to trip, and ensuring the safety and stability of the power system.
CN114783841BActive Publication Date: 2026-07-17JILIN YONGDA ELECTRIC SWITCH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JILIN YONGDA ELECTRIC SWITCH CO LTD
- Filing Date
- 2022-04-25
- Publication Date
- 2026-07-17
Smart Images
Figure CN114783841B_ABST
Abstract
永磁式断路器直流主控分闸装置及方法，涉及永磁式断路器安全保护领域，包括装置接线端子、信号检测回路、主控分闸回路、延时重动回路、四个二极管、第三继电器、第四继电器、三个电阻和故障报警回路；所述故障报警回路由报警继电器、自锁按钮和声光报警器组成；本发明的主控分闸回路与断路器本体分闸回路形成一主一备双分闸操作回路，当主控分闸回路操作失败后，自动退出主控分闸回路，并启动延时重动回路，利用断路器本体分闸回路进行分闸操作，通过两次分闸操作功能，降低了断路器因本体分闸回路失效所引起的拒分故障，并通过声光报警及输出触点进行报警，及时通知现场值守人员紧急处理。
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