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Title: Modeling a grid connected photovoltaic system with perturb and observe based maximum power point tracking
Authors: Naik, A.
Yaragatti, Udaykumar R.
Issue Date: 2013
Citation: Distributed Generation and Alternative Energy Journal, 2013, Vol.28, 4, pp.49-72
Abstract: This article deals with the integration study of distributed generation (DG) in the form of a photovoltaic (PV) plant in a three-phase system. Here the active power generated by the photovoltaic (PV) plant is injected into the grid system through a current controlled dual inverter topology. The main contribution in this article is the dual inverter topology. In this topology, a three level inverter output is obtained which reduces the PV injected current harmonic distortion into the grid. The control algorithm used in this article is simple and easy to implement. The PV system is operated through a maximum power point tracking (MPPT) stage. Perturb & Observe (P&O) is the modeling approach of MPPT system operation. The system is simulated and analyzed for a different set of loads with renewable source at different atmospheric conditions using MATLAB/ Simulink tool. The grid current becomes sinusoidal with three levels inverter and compared to existing three levels methods the dual inverter method is simple and easy to implement.
Appears in Collections:1. Journal Articles

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