Abstract
This paper presents a study of a time-domain model of a magnetic induction microgenerator for energy harvesting applications. The model is based on a simple structure for which an analytical expression of the magnetic field distribution can be computed. From this analytical expression, geometric parameters that are not taken into account in the previous literature on microgenerators are considered. Starting from the magnetic field distribution in space of a circular current loop, the paper derives the induced electromotive force in a coil depending on the distance to the magnet. Simulations give insight into the validity of linear models implicitly assumed in frequency-domain analysis of these systems
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