A. L. B. Ferreira, C. H. G. Treviso, L. C. Mathias, M. V. M. Rodrigues, and W. R. B. M. Nunes, “3kVA UPS for residential application with interface for solar panels and microprocessor control”, Semin., Exact Tech. Scienc., vol. 35, no. 1, pp. 39–54, May 2014.