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ADVANCED TOPICS IN ELECTRICAL ENGINEERING – ATEE 2017

Papers Proceedings »

Multilevel Direct PWM AC-AC Converters

Due to an increase in power demand, different direct AC-AC conversion structures were developed. Classical direct converters present the disadvantage of a high harmonic content and the consumption of reactive power. For these reasons, different classes of PWM AC choppers were developed during the last decade. Of these solutions, two-level and four-level PWM AC choppers are presented. Multilevel converters using the flying capacitor (FC) concept present the advantages of a lower voltage stress in the semiconductor devices, increased apparent frequency and lower output filters being useful for medium voltage static compensation (STATCOM) applications.

Author(s):

Bogdan Ionut GLOD    
University Politehnica of Bucharest
Romania

Lucian PARVULESCU    
University Politehnica of Bucharest
Romania

Dan FLORICAU    
University Politehnica of Bucharest
Romania

 

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