Abstract
A new type of permanent magnet actuator driven by electromagnetic repulsive force in breaking course and electromagnetic attraction force during closing course is presented in this paper, and the static and dynamic characteristics for contactor with this new type actuator are mainly focused on by simulation and experiment simultaneously. Firstly, the static electromagnetic attraction force in closing course and electromagnetic repulsive force in breaking course are studied by FEM simulation and experiment. Secondly, by coupling of the electrical and mechanical differential equations, the dynamic electromagnetic attraction force in closing course and dynamic electromagnetic repulsive force in breaking course are obtained respectively. Thirdly, by constructing the mechanical model of contact system and permanent magnet actuator, the displacements of moving contact and moving core while both contactors' closing and breaking are obtained by simulation and experimental study. It is indicated that simulation results coincide well with that of experiment.
| Original language | English |
|---|---|
| Pages (from-to) | 1210-1216 |
| Number of pages | 7 |
| Journal | IEICE Transactions on Electronics |
| Volume | E89-C |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2006 |
Keywords
- Contactor
- Electromagnetic repulsive force
- Permanent magnet actuator
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