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Jiuming X.,Yanshan University | Jiuming X.,Research Institute of Tianjin Benefo Machinery and Electrical Holding Group LTD | Dengyue S.,Yanshan University | Jianzhong W.,Research Institute of Tianjin Benefo Machinery and Electrical Holding Group LTD | And 2 more authors.
International Journal of Control and Automation | Year: 2014

This paper analyzes the advantages of double breaks under series connection for 126kV HV vacuum circuit breaker. It makes efforts in the break designing to avoid hidden danger brought by voltage-sharing capacitor. Voltage is evenly distributed in the shape of ▸ at the basic break that asks for no voltage-sharing capacitors. Permanent magnetic actuator is used to ensure the synchronization of opening and closing of double breaks. Based on this layout, this paper designs a new actuator and motion system for vacuum circuit breaker optimized by virtual prototype software ADAMS and genetic algorithm. Laboratory tests have proved that the opening and closing speed of the breaker meets the speed standard and that the 126kV HV vacuum circuit breaker is feasible. © 2014 SERSC.

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