INTRODUCTION:
Distributed generation (DG) offers great potential in meeting future global energy needs. The dwindling supplies of crude oil and natural gas and the global challenges of climatic change and other environmental concerns have resulted in rapid growth of alternative energy sources. This thesis investigates various approaches to the modeling of photovoltaic systems. The mathematical model of the current-voltage characteristics of solar cells is an implicit nonlinear equation that is very difficult to solve. The complexity in modeling solar cells is further compounded by the fact that the solar cell parameters vary with changes in environmental conditions. Analytical methods and empirical methods used in modeling are presented.
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