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Active and Passive Electronic Components - Volume 23 2000, Issue 3, Pages 145-155

Department of Physics, University Med 1er, Faculty of Sciences, Oujda, Morocco

Department of Physics, Faculty of Sciences and Technology, Errachidia, Morocco

Department of Physics, University My ismaïl, Faculty of Sciences, Meknès, Morocco

Received 28 April 2000; Accepted 12 July 2000

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The present paper deals with design and realization of a New thermoelectric sensoradapted to conceive a circuit breaker, using the thermoelectric effects Joule, Peltier andSeebeck. The sensor includes two printed circuits. The first is constituted of two resistivetracks of constantan, it is the transmitting circuit. The second, a planar thermoelectriccircuit acting as a receiver, is constituted of many plated differential thermocouples. Thetransmitting circuit is placed on the top surface of the receiver circuit so that the resistivetracks are placed on the levels of thermoelectric junctions. The measuring methodconsists to passing electrical currents through the resistive tracks in order to generatetemperature gradients between junction points of the bimetallic circuit. Then the resultingtemperature differences between junction points is directly converted into a proportionalSeebeck voltage. As an application, the sensor is adapted to realize a differentialcircuit-breaker with a low difference current.

Author: K. Hachami, D. Moussaid, M. Rahmoun, and A. El Hassani



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