Byung Tae Bae

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A performance of a high-voltage circuit breaker is mainly dependent on the mechanical efficiency of spring operating mechanism. To predict the performance of the circuit breaker, the analysis of the performance of the circuit breaker is required. In this paper, the analysis model including friction and efficiency of spring was developed to predict a dynamic(More)
A performance of circuit breaker is dependent on the dynamic behavior of spring operating mechanism (SOM) in terms of mechanical system. The response speed of the circuit breaker is one of important part in the performance of circuit breaker and the response speed of the circuit breaker was determined by latch mechanism. The latch mechanism consists of(More)
A circuit breaker is widely used to protect electric power system from fault of electric currents or system errors. In this study, a circuit breaker with spring operating mechanism operated by the stored elastic energy of the close spring was addressed. In case of the closing mechanism of this circuit breaker, the torque generated by closing spring rotates(More)
A circuit breaker is widely used to protect electric power system from fault currents or system errors; in particular, the opening mechanism in a circuit breaker is important to protect current overflow in the electric system. In this paper, multibody dynamic model of a circuit breaker including switch mechanism was developed including the electromagnetic(More)
Since the performance of a circuit breaker which has the spring operating mechanism mainly depends on the dynamic behavior of a coil spring, the analysis of the dynamic behavior of a coil spring is required for a performance evaluation of a circuit breaker. When a spring moves so fast from the releasing state, a lot of energy is used to move a self-weight(More)
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