Electromagnetic generators, on the other hand, are based on electromagnetic induction, a principle demonstrated by Faraday. The electromotive force can be generated by the relative movement between a coil and a magnet creating a fixed magnetic field, or by a temporal variation in the magnetic field.
The value of the voltage generated is determined by :
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(1) - ROUNDY (S.), WRIGHT (P.K.), RABAEY (J.) -
A study of low level vibrations as a power source for wireless sensor nodes.
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Computer communications, vol. 26, p. 1131-1144 (2003).
(2) - MARZENCKI (M.) -
Conception de microgénérateurs intégrés pour systèmes...
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