Electric Field Harvesting

Campbell, Benjamin (2011) Electric Field Harvesting. [Abstract]

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The growing number of battery dependent small power consuming portable electronic devices warrants research of harvesting energy as a mode of augmenting or in some cases replacing batteries. There are several sources of electric fields that can provide this energy; some occurring naturally, many of these sources have been thoroughly examined. The fair-weather electric field of the Earth is an electric field that is created by thunderstorms and the interaction of the ionosphere with the solar winds and is continually present all over the earth because of charge generation in the Earth-Ionosphere cavity. Large storms produce very large electric fields, which are more evident because of the phenomena of lightning. Also electromagnetic radiation from power lines can be harvested as an alternating current signal. The goal of this project is to create a working prototype that can harvest energy from these electric fields. Louis Vleminqc created a novel approach to turning high voltage and low current sources into useful power with a spark gap based relaxation oscillator. This circuit along with power regulating chips LTC3588-1 and LTC4071 has the potential to safely charge lithium ion batteries through the harvesting of electric fields. We built, tested and modeled the spark gap based relaxation oscillator and built and tested the power regulating and lithium ion battery charging circuit. Attempts were made to harvest the potential energy of electric fields but the mountainous terrain of Durango makes this difficult.

Item Type: Abstract
Created by Student or Faculty: Student
Additional Information: 6th Annual Natural & Behavioral Sciences Undergraduate Research Symposium Program
Uncontrolled Keywords: Electric Field Harvesting, Battery, Louis Vleminqc, Atmospheric electricity, Electric fields, Electrostatics, Lightening, Thunderstorms, Energy storage
Subjects: School of Natural and Behavioral Sciences > Engineering
School of Natural and Behavioral Sciences > Environmental Studies
NBS Symposium
School of Natural and Behavioral Sciences > Physics
Depositing User: Alejandro Marquez
Date Deposited: 22 May 2013 09:32
Last Modified: 22 May 2013 09:32
URI: http://eprints.fortlewis.edu/id/eprint/324

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