Modulation for Three-Phase Transformerless Z-Source Inverter to Reduce Leakage Currents in Photovoltaic Systems. - Fabrício Bradaschia; Marcelo Cabral Cavalcanti; Pedro E. P. Ferraz; Francisco A. S. Neves; Euzeli C. dos Santos; J. H. G. M. da Silva (IEEE Trans. Ind. Electron., 2011)