Power Variation with External Load in Vertical Vibration based Electret-Cantilever Micro-Power Generation
Journal: International Journal of Scientific Engineering and Technology (IJSET) (Vol.3, No. 10)Publication Date: 2014-10-01
Authors : Akin-Ponnle A.E.; Ponnle A.A.; Falaki S.O.;
Page : 1287-1291
Keywords : electret; cantilever; micro-power generator; average output power; external load.;
- Power Variation with External Load in Vertical Vibration based Electret-Cantilever Micro-Power Generation
- Power Variation with Electret Surface Potential and Frequency of Vibration in Vertical Vibration based Cantilever-Electret Micro-Power Generation
- Comparative Analysis of Integrated Micro Windmills Strength and its Efficiency of Power Generation with Single Rotor Centralize Windmill with Horizontal Axis in Vertical Plane
- Design and Modeling of a Novel Micro-Power Generator based on Harvesting Omni-Directional Vibration Energy
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Abstract
We present a generator model to describe the generated electrical output power variation with external load for vertical vibration based electret-cantilever micro-power generator. The generator, being electrostatic, is represented by an equivalent current source model. A vertical vibration based electret-cantilever micro-power generator was set up in which CYTOP was used as the electret and the upper electrode was made in form of an A-shaped cantilever fabricated from materials of copper with embedded glass epoxy. Experiments were conducted on the set up in the laboratory to validate the model. The results (generated electrical output power variation) from experiments agree fully with expected characteristics from the mathematical model. Also, maximum average power was expended in the external load when its value is equal to the equivalent internal source resistance of the micro-power generator. Electret-cantilever micro-power generator is best suited for high impedance loads.
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Last modified: 2014-10-01 14:22:48