Electromechanical relay

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2D model of an electro-mechanical relay.

Download model archive (relay.zip)
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Additional information

The example contains:

  • relay.pro: 2D model of a linear actuator [1][2].

It comprises a yoke, two permanent magnets, two coils and a mover. The yoke and the mover are made of iron. Eddy currents in the magnets and in the laminated yoke and mover are neglected. The permanent magnets constitute a magnetic lock that keeps the mover either in the upper or lower position tending to diminish the residual airgap. The mover is moved down or up by applying a voltage pulse to one of the coils. The commutation is facilitated by two springs.

References

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  2. Cite error: Invalid <ref> tag; no text was provided for refs named Sab2004_phd