Modeling and Optimization of Capacitive Converter for Energy Scavenging System ()
ABSTRACT
A new converter with spherical cap for energy scavenging is proposed. Based on the method of separated variables within the torrid coordinate system, a corresponding analytical model for spherical cap converter is further established so as to obtain the analytic expressions of the topology capacitance and the output voltage. The concept of energy increment factor is specifically defined to denote the improvement of energy storage efficiency. With regard to spherical cap converters of different dimensions, the measured values of energy increment factor coincide well with the theoretical equivalents, indicating an effective verification of the proposed analytical model for the spherical cap converter topology.
Share and Cite:
J. Huang, N. Gao and H. Li, "Modeling and Optimization of Capacitive Converter for Energy Scavenging System,"
Energy and Power Engineering, Vol. 5 No. 4B, 2013, pp. 116-120. doi:
10.4236/epe.2013.54B022.
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