Single-stage photovoltaic energy conversion system

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109 Citations (Scopus)

Abstract

For a photovoltaic (PV) array, the nonlinear output power relation of dP/dV against V and the near linear relation of dP/dV against I are discussed. Thus, using dP/dV as an index for current control is easier than for voltage control, allowing a simpler design. The current controller is employed in the PV energy conversion system to perform a rapid maximum power point tracking and to provide power to utilities with a unity power factor. As opposed to conventional two-stage designs, a single-stage PV energy conversion system is implemented, resulting in size and weight reduction, and increased efficiency. The proposed system performs a dual function; acting as a solar generator on sunny days and as an active power filter on rainy days. Computer simulations and experimental results demonstrate the superior performance of the proposed technique.

Original languageEnglish
Pages (from-to)339-344
Number of pages6
JournalIEE Proceedings: Electric Power Applications
Volume148
Issue number4
DOIs
Publication statusPublished - 2001 Jul 1

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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