Multilevel Converters: Recent Development of Topologies and PWM Control Methods
Résumé
Multilevel converters have become the enabling power conversion technology for high voltage high power applications in power systems and large motor drives. Since the mid of 1990s, many contributors have made great effort in developing new multilevel inverter topologies because the existing multilevel topologies have certain limitations and are not operable in some applications. In this tutorial, the relationship between the existing topologies of multilevel converters, like NPC, flying capacitor, cascaded, MMC and next generation multilevel converters will be analyzed and the different control methods be summarized, and their pros and cons in practical applications are reviewed by the world-class specialists. The emphasis of the tutorial is given to recent development of topologies and their control methods, and the following issues will be covered: 1) Multilevel inverters: a survey of topologies, controls, and application 2) Recent Advances in Multilevel Converter/Inverter Topologies and Applications 3) Topologies of Multi-level Converters and their development 4) Classification, and Application of Modular Multilevel Cascade Converter 5) Multi-level conversion: SMC high voltage inverters
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