Zhao Z M, Hua B, Meng S, et al. An effective method for neutral point balance of AC inverters[C]. Proceeding of IEEE International Conference on Electrical Machines and Systems (ICEMS), 2003, 1: 372-374.
Bendre A, Venkataramanan G. Radial state space vector modulation—a new space vector technique for reducing DC link capacitor harmonic currents in three level converter[C]. Proceeding of IEEE Industry Application Society (IAS), 2003, 1: 684-691.
[5]
Busquets Monge S, Somavilla S, Bordonau J, et al. A novel modulation for the comprehensive neutral-point balancing in the three-level NPC inverter with minimum output switching frequency ripple[C]. Proceeding of IEEE Power Electronics Specialists Conference(PESC), 2004: 4226-4232.
[6]
Wong M C, Tang J, Han Y D. Cylindrical coordinate control of three-dimensional PWM technique in three- phase four-wired tri-level inverter[J]. IEEE Transactions on Power Electronics, 2003, 18(1): 208-22.
[7]
Escobar G, Leyva Rama J, Carrasco J M, et al. Modeling of a three level converter used in a synchronous rectifier application[C]. Proceeding of IEEE Power Electronics Specialists Conference (PESC), 2004, 6: 4306-4311.
[8]
Yao W X, Lu Z Y, Zhao R X, et al. Hysteresis band control based PWM strategy of three-level neutral point balance[C]. Proceeding of IEEE Applied Power Electronics Conference and Exposition (APEC), 2005, 1: 415-418.
Busquets Monge S, Bordonau J, Boroyevich D, et al. The nearest three virtual space vector PWM—a modulation for the comprehensive neutral point balancing in the three-level NPC inverter[J]. IEEE Power Electronics Letters, 2004, 2(1): 11-15.
[13]
Wong M C, Dai N Y, Han Y D. Study of tri-level neutral point clamped inverter for 3-phase 3-wire and 3-phase 4-wire applications[C]. Proceeding of IEEE Power Electronics and Drive Systems (PEDS), 2003, 1: 380-385.
[14]
Wong M C, Zhao Z Y, Han Y D, et al. Three- dimensional pulse-width modulation technique in three-level power inverters for three-phase four-wired system[J]. IEEE Transactions on Power Electronics, 2001, 16(3): 418-426.
