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In reply to the increasing demand for high power inverter units, multilevel inverters have been attracting in favor of academia as well as industry in the recent decade. Among the mature multilevel converter topologies, cascade multilevel H-Bridge inverter is promising one which is an alternative for grid-connected photovoltaic/ wind-power generator, flexible alternating current systems and motor...
This paper compares voltage gain of control methods for the Z-source inverter under a given boost factor. The control methods of the Z-source inverter are simple boost control, maximum boost control and maximum constant boost control respectively. The Z-source inverter advantageously utilizes the shoot-through switching states besides active and zero states. The Z-source network makes the shoot-through...
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...
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