Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/327935
Type: Artigo
Title: Measurement Of The Electric Energy Storage Capacity In Solar Thermoelectric Generators' Energy Harvesting Modules
Author: Dias
Pedro C.; Morais
Flavio J. O.; Duarte
Luis F. C.; Franca
Maria Bernadete M.; Spengler
Anderson W.; Cabot
Andreu
Abstract: Reducing energy consumption is mandatory in self-powered sensor nodes of wireless sensor networks that obtain all their energy from the environment. In this direction, one first step to optimize the network is to accurately measure the total energy harvested, which will determine the power available for sensor consumption. We present here a technique based on an embedded circuit with an ultra-low-power microcontroller to accurately measure the efficiency of flat-panel solar thermoelectric generators operating with environmental temperature gradients. Experimental tests showed that when a voltage of 180 mV (best case in an environmental flat-panel solar thermoelectric generators) is applied to the input of the DC-DC converter, the proposed technique eliminates a measurement error of 33% when compared with the conventional single supercapacitor strategy.
Subject: Energy Harvesting
Autonomous Sensor Networks
Dc-dc Converters
Thermoelectric Modules
Energy Measurement
Editor: Sage Publications Inc
Thousand Oaks
Rights: aberto
Identifier DOI: 10.1177/1550147716685423
Address: http://journals.sagepub.com.ez88.periodicos.capes.gov.br/doi/10.1177/1550147716685423
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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