Abstract
SUMMARY A new type of permanent magnet actuator driven by elec-tromagnetic repulsive force in breaking course and electromagnetic attrac-tion force during closing course is presented in this paper, and the staticand dynamic characteristics for contactor with this new type actuator aremainly focused on by simulation and experiment simultaneously. Firstly,the static electromagnetic attraction force in closing course and electromag-netic repulsive force in breaking course are studied by FEM simulation andexperiment. Secondly, by coupling of the electrical and mechanical dif-ferential equations, the dynamic electromagnetic attraction force in closingcourse and dynamic electromagnetic repulsive force in breaking course areobtained respectively. Thirdly, by constructing the mechanical model ofcontact system and permanent magnet actuator, the displacements of mov-ing contact and moving core while both contactors’ closing and breakingare obtained by simulation and experimental study. It is indicated that sim-ulation results coincide well with that of experiment.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
