Salvador Ceballos, Josep Pou, Jordi Zaragoza, José Luis Martín, Eider Robles, Igor Gabiola, Pedro Ibañez. Efficient Modulation Technique for a Four-Leg Fault-Tolerant Neutral-Point-Clamped Inverter. IEEE Transactions on Industrial Electronics, 55(3):1067-1074, 2008. [doi]
Abstract is missing.