Communication Dans Un Congrès Année : 2023

A low power and efficient microcontroller-based extraction circuit for HVAC applications

Résumé

In this paper, we report a low power implementation of a Power Management Circuit (PMC) performed by means of a microcontroller unit (MCU) surrounded by discrete components. In the context of HVAC applications with the aim of converting rotational movements into electrical energy, a non-linear extraction technique is implemented by controlling a Flyback converter at the maximum voltage of a magnetoelectric harvester. Compared with the Standard Energy Harvesting (SEH) interface, a power gain up to 1.75 was measured at a frequency of 47 Hz and a Flyback efficiency up to 80% for an output power of 0.5 mW. This architecture contributes to increase the versatility of PMCs addressing lowly-coupled piezoelectric harvesters (PEHs).

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Dates et versions

cea-04225959 , version 1 (03-10-2023)

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  • HAL Id : cea-04225959 , version 1

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Pierre Gasnier, Maxime Gallardo, Rammouz Ramzy, Nicolas Garraud, Louis Araouzos, et al.. A low power and efficient microcontroller-based extraction circuit for HVAC applications. JNRSE 2023 - Journées Nationales sur la Récupération et le Stockage de l’Energie, Jun 2023, Paris, France. ⟨cea-04225959⟩
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