Novel three-phase AC-DC-AC sparse matrix converter

摘要: A novel three-phase AC-DC-AC sparse matrix converter (SMC) having no energy storage elements in the DC link and employing only 15 IGBTs as opposed to 18 of a functionally equivalent conventional AC-AC (CMC) is proposed. It shown that realization effort could be further reduced 9 (ultra converter, USMC) case phase displacement fundamentals voltage current at input output limited /spl plusmn//spl pi//6. The dependency transfer ratios systems on operating parameters analyzed space vector modulation scheme described combination with zero commutation procedure. Furthermore, safe multi-step concept treated briefly. Conduction switching losses SMC USMC are calculated analytically closed form. Finally, theoretical results verified Part II paper by digital simulations first experimental investigation 10 kW/400 V prototype given.