Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15344
Title: Contact parameter computation and analysis of air circuit breaker with permanent magnet actuator
Authors: Fang, S
Lin, H
Ho, SL 
Wang, X
Jin, P
Huang, Y
Yang, S
Keywords: Air circuit breaker
Double-breaker contact
Electromagnetic repulsion force
Permanent magnet actuator
Issue Date: 2013
Source: Journal of electrical engineering and technology, 2013, v. 8, no. 3, p. 595-602 How to cite?
Journal: Journal of Electrical Engineering and Technology 
Abstract: An air circuit breaker (ACB) with novel double-breaker contact and permanent magnet actuator (PMA) is presented. Three-dimensional (3-D) finite element method (FEM) is employed to compute the electro-dynamic repulsion forces, including the Holm force and Lorentz force, which are acting on the static and movable contacts. The electro-dynamic repulsion forces of different contact pieces are computed, illustrating there is an optimal number of contact pieces for the ACB being studied. The electro-dynamic repulsion force of each contact, which varies from the outer position to the inner position, is also computed. Finally, the contacts of the double-breaker are manufactured according to the analyzed results to validate the simulations.
URI: http://hdl.handle.net/10397/15344
ISSN: 1975-0102
DOI: 10.5370/JEET.2013.8.3.595
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