Ferreira, A. L. B.; Treviso, C. H. G.; Mathias, L. C.; Rodrigues, M. V. M.; Nunes, W. R. B. M. 3kVA UPS for Residential Application With Interface for Solar Panels and Microprocessor Control. Semin., Exact Tech. Scienc. 2014, 35, 39-54.