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Analysis of an Electromagnetic Actuator for Circuit Breakers
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 Title & Authors
Analysis of an Electromagnetic Actuator for Circuit Breakers
Shin, Dong-Kyu; Choi, Myung-Jun; Kwon, Jung-Lok; Jung, Hyun-Kyo;
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In this paper, we present an analysis of dynamic characteristics of an electromagnetic actuator for circuit breakers. It is indispensable to simultaneously analyze magnetic, electric, and mechanical phenomena to obtain the dynamic characteristics of the electromagnetic actuator because these phenomena are closely related to each other in an electromagnetic actuator system. The magnetic equations are computed by using the finite element method (FEM). The electric equations and the mechanical equations, which include the time derivative terms, are calculated by using the time difference method (TDM). The calculated results, which have been obtained by means of the FEM and the TDM, are presented with experimental data.
Circuit breaker;Dynamic characteristic;Electromagnetic actuator;Finite element method (FEM);Time difference method (TDM);
 Cited by
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