Design of Power Converter and Wireless Data Acquisition System for TEG Energy Harvester

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dc.contributor.authorXing, Shaoxuen
dc.contributor.committeechairZuo, Leien
dc.contributor.committeememberNgo, Khai D.en
dc.contributor.committeememberWicks, Alfred L.en
dc.contributor.committeememberYang, Yalingen
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2016-11-02T08:00:44Zen
dc.date.available2016-11-02T08:00:44Zen
dc.date.issued2016-11-01en
dc.description.abstractIn order to avoid the accidents like Fukushima Disaster and monitor the operation status of nuclear power plant, a wireless sensor system which is powered by the Thermoelectric Generator (TEG) Energy Harvester is designed and built. Meanwhile, a power converter circuit has also been designed to converter the output voltage of TEG Energy Harvester to a DC voltage to charge the battery or power the application systems. Several prototypes based on this power converter circuit have been built for Thermoelectric Generator (TEG) energy harvester and tested in both working and laboratory conditions. The reliability of the TEG Energy Harvester system in the gamma radiation environment has been examined in the experiments. Based on the experiments results, the design was optimized. And an optimized Maximum Power Point Tracking algorithm has also been applied in the prototype to extract the maximum power from the TEG Energy Harvester in all conditions. The TEG Energy Harvester system would be greatly simplified as a new type of sensor will be applied. The design of the signal conditioning circuit for this sensor has also been presented.en
dc.description.abstractgeneralIn this work, a comprehensive electronic systems for Thermoelectric Generator (TEG) Energy Harvester was designed and built. The system consists of two parts. One part is a converter circuit which can regulate the output voltage of the energy harvester and charge the battery efficiently while the other part is data acquisition and wireless communication system, which can collect data via different kinds of sensors and send the data out with the help of wireless communication modules. The prototype of the system was tested with the actual working conditions in the laboratory experiments and later optimized and improved based on the experiments results. An optimized Maximum Power Point Tracking algorithm was applied in the control of the power converter to ensure that the TEG Energy Harvester can output the maximum power in all conditions. Also, a new type of sensor was also developed for future system simplify and improvement.en
dc.description.degreeMaster of Scienceen
dc.format.mediumETDen
dc.identifier.othervt_gsexam:9066en
dc.identifier.urihttp://hdl.handle.net/10919/73361en
dc.publisherVirginia Techen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectEnergy Harvesteren
dc.subjectPower Converteren
dc.subjectData Acquisitionen
dc.subjectWireless Communicationen
dc.subjectMPPTen
dc.subjectSensoren
dc.titleDesign of Power Converter and Wireless Data Acquisition System for TEG Energy Harvesteren
dc.typeThesisen
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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