Comparison of harmonics and common mode voltage in NPC and FLC Multilevel converters

Three-level converters are widely utilized by industries thanks to the advantages of less dv/dt and less frequency common mode voltage in comparison to conventional two-level PWM inverters. Since these converters utilize switches as fully on or fully off elements and they feed a floating output syst...

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Bibliographic Details
Main Authors: Hoosh, B M, Zaimeddine, R, Undeland, T M
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Converters
Electrical Drive
Harmonic analysis
Harmonics
High Voltage Power Converter
Inverters
Multilevel Converters
Pulse width modulation
Topology
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Summary:Three-level converters are widely utilized by industries thanks to the advantages of less dv/dt and less frequency common mode voltage in comparison to conventional two-level PWM inverters. Since these converters utilize switches as fully on or fully off elements and they feed a floating output system, common mode voltage will be unavoidable. This paper presents a comprehensive analysis of common mode voltage in NPC and FLC Multilevel converters using different structures of sine-triangle pulse-width-modulation schemes. Simulations have been performed in Matlab/Simulink ® environment.
DOI:10.1109/EPEPEMC.2010.5606787