ACTUATOR 2016 Manuscript C6.4

Author: Hubert Borgmann
Pages: 4
Language: English
Publication date: 01/06/2016
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Manuscript C6.4 published in Conference Proceedings ACTUATOR 2016
An Exploratory Study of the Retardation Ability of a Thomson Coil Actuator

G. Engdahl, J. Magnusson
KTH Royal Institute of Technology, Stockholm, Sweden
A. Bissal, ABB Corporate Research, Västerås, Sweden
M. Sparr, KTH Royal Institute of Technology, Stockholm, Sweden

In mechanical switching devices for HVDC, a feasible actuator concept for maneuvering the galvanic contacts is the so-called Thomson coil actuator. By this concept, hundreds of km/s2 can be attained. To ensure reliability and operational endurance, an effective retardation mechanism is required. In this work, an exploration of the feasibility to also use the Thomson concept for the retardation of the contact movement was performed. A conclusion is that it is possible to attain a complete retardation down to a velocity in the vicinity of stand still. This, however, only is possible if the amplitude of the excitation of the retardation coil is matched appropriately to the velocity and position of the incoming moving mass. The work performed has been to numerically explore within which ranges of the excitation voltage and separation distance a feasible retardation can be obtained for a specific configuration of a Thomson coil actuator system.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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