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This paper will present an improved cascade multilevel converter that is the series-connection of a diode-clamp converter and several H-bridge converters with equal dc bus voltage. According to this topology, a hybrid modulation method which incorporates square-wave synthesis in conjunction with unipolar triangle carried-based PWM method is illustrated. By the hybrid control scheme, higher voltage...
A novel static compensator (STATCOM) is proposed in this paper. The new STATCOM is constructed by a hybrid topology cascading a neutral-point-clamped (NPC) inverter and several identical H-bridge inverters. With the novel topology consisting of a same DC bus voltage but different structure modules, the realization of a multilevel converter using a hybrid approach that involves higher voltage devices...
This paper proposed a novel hybrid cascade multilevel converter in which a Neutral-Point-Clamped (NPC) converter and several identical H-Bridge converters with equal dc bus voltage are series connected to form a converter phase leg. Accordingly, for the novel converter a hybrid modulation method which incorporates square-wave synthesis in conjunction with triangle carried-based PWM method is employed...
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