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A Review on Multilevel Converters Topologies with Multicell Structures
This paper presents an overview and analysis of multilevel converters topology and control strategy on the basis of harmonic distortion and efficiency provided by the converters. Reducing the harmonic distortion at different operation conditions while maintaining efficiency and controllability is an important need and still a considerable challenging task for designers. The existing methods are studied and compared on the basis of topological complexity, operational limitations, and controllability. Finally a converter configuration on the basis of these study is proposed for future research and development.
Keywords
Multilevel Converters, Multicell Topologies, Harmonic Mitigation, Power Quality Improvement.
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