1. Department of Renewable Energy Engineering; Center of Alternative and Renewable Energy, Federal University of Paraíba, Caixa Postal 5115, Cidade Universitária; João Pessoa Paraíba 58059-970 Brazil
2. Graduate Program in Renewable Energy, Center of Alternative and Renewable Energy, Federal University of Paraíba, Caixa Postal 5115, Cidade Universitária; João Pessoa Paraíba 58059-970 Brazil