A dP/dV Feedback-Controlled MPPT Method for Photovoltaic Power System Using II-SEPIC

Han-Eol Park; Joong-Ho Song

A dP/dV Feedback-Controlled MPPT Method for Photovoltaic Power System Using II-SEPIC

Han-Eol Park

Joong-Ho Song

Vol. 9, No. 4, pp. 604-611, Jul. 2009

10.6113/JPE.2009.9.4.604

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Abstract

A dP/dV feedback-controlled MPPT (Maximum Power Point Tracking) method for photovoltaic power systems using II-SEPIC (Isolated Inverse-SEPIC; Single Ended Primary Inductance Converter) is presented and a current-mode dP/dV feedback-controlled MPPT method is devised to apply for the PV power converter system. A control strategy for the current-mode dP/dV feedback control system is developed in this paper and the proposed MPPT shows relatively satisfactory dynamics against rapidly changing insolation conditions. In order to verify the validity and effectiveness of the proposed method, simulations and experiments of the PV power system using II-SEPIC converter are performed. These simulation and experiment results show that the proposed method enables the PV power system to extract maximum power from the photovoltaic module against the solar insolation variation.

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Cite this article

[IEEE Style]

H. Park and J. Song, "A dP/dV Feedback-Controlled MPPT Method for Photovoltaic Power System Using II-SEPIC," Journal of Power Electronics, vol. 9, no. 4, pp. 604-611, 2009. DOI: 10.6113/JPE.2009.9.4.604.

[ACM Style]

Han-Eol Park and Joong-Ho Song. 2009. A dP/dV Feedback-Controlled MPPT Method for Photovoltaic Power System Using II-SEPIC. Journal of Power Electronics, 9, 4, (2009), 604-611. DOI: 10.6113/JPE.2009.9.4.604.