Controladores nebuloso e PI em sistema para bombeamento d´água para geração de eletricidade fotovoltaica (Fuzzy and PI controllers in pumping water system using photovoltaic electric generation)

Eudemario Souza de Santana (eudemario.santana@fieb.org.br)1, Jés Jesus Fiais Cerqueira (jes@ufba.br)2, Taniel Silva Flanklin (tanielfranklin@gmail.com)3


1CIMATEC/SENAI-BA
2Universidade Federal da Bahia
3Area1 - Faculdade de Tecnologia

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2014
Volume: 12,   Issue: 6 
ISSN: 1548-0992


Abstract:
This paper presents the description of a photovoltaic system as electric power source for water pumping. In order to improve the system performance, it is used a technique to reach the maximum power point (MPP) through the analysis of the short circuit current of the photovoltaic panels. In this study were analyzed two kinds of controllers to find the optimum operating frequency to drive the induction motor: the classic PI; and the fuzzy. The system has been studied including the effects of temperature and the solar radiation intensity. The results of the simulation have shown the viability of the system proposed.

Index Terms:
Photovoltaic system, water pumping, MPP, power electronic, fuzzy controller, fuzzy logic   


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