TY - JOUR T1 - Design of a back-to-back NPC converter interface for wind turbines with squirrel-cage induction generator JF - IEEE Tr. on Energy Conversion. Y1 - 2008 A1 - Emilio Bueno A1 - Santiago Cobreces A1 - F.J. Rodríguez A1 - Álvaro Hernández A1 - Felipe Espinosa VL - 23 ER -