Predictive control of a current-source inverter for solar photovoltaic grid interface

By Exposto, B.; Rodrigues, R.; Pinto, J.G.; Monteiro, V.; Pedrosa, D.; Afonso, J&pe

Proceedings - 2015 9th International Conference on Compatibility and Power Electronics, CPE 2015

2015

Abstract

Solar photovoltaic systems are an increasing option for electricity production, since they produce electrical energy from a clean renewable energy resource, and over the years, as a result of the research, their efficiency has been increasing. For the interface between the dc photovoltaic solar array and the ac electrical grid is necessary the use of an inverter (dc-ac converter), which should be optimized to extract the maximum power from the photovoltaic solar array. In this paper is presented a solution based on a current-source inverter (CSI) using continuous control set model predictive control (CCS-MPC). All the power circuits and respective control systems are described in detail along the paper and were tested and validated performing computer simulations. The paper shows the simulation results and are drawn several conclusions.

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