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Ripple Correlation Control of a Multiple-Input Dc-Dc Converter

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3 Author(s)
N. D. Benavides ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL ; T. Esram ; P. L. Chapman

A multiple-input buck-boost converter is used to combine a photovoltaic source with a secondary source to meet the load requirement. A maximum power point tracking technique called ripple correlation control is used to maximize the power out of the photovoltaic source. The output voltage of the converter is simultaneously regulated using a simple proportional-integral feedback controller. Ideal steady-state equations are developed for duty cycles of the converter. Experimental results are compared to the ideal formulation in a power budgeting application

Published in:

2005 IEEE 36th Power Electronics Specialists Conference

Date of Conference:

16-16 June 2005