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Comparative study of pulse width modulation techniques for three-level voltage source based on cascaded connection of two-level inverters

Citace:
VOTAVA, M., GLASBERGER, T. Comparative study of pulse width modulation techniques for three-level voltage source based on cascaded connection of two-level inverters. In Proceedings of the 2015 16th International Scientific Conference on Electric Power Engineering (EPE). Ostrava: Technical University of Ostrava, 2015. s. 729-732. ISBN: 978-1-4673-6788-2
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Comparative study of pulse width modulation techniques for three-level voltage source based on cascaded connection of two-level inverters
Rok vydání: 2015
Místo konání: Ostrava
Název zdroje: Technical University of Ostrava
Autoři: Ing. Martin Votava , Ing. Tomáš Glasberger Ph.D. ,
Abstrakt EN: The objective of this paper is to give an overview and comparison of control techniques for a three-level voltage source inverter based on dual connection of two-level converters supplied by two independent voltage sources. The compared modulation techniques are based on carrier based PWM, six step and space vector PWM with changeover of the inverters roles from clamping to switching inverter and vice versa. A simulation model of the converter has been designed for comparison of mentioned control algorithms including phase disposition PWM with selected criteria as switching losses, balanced load of switching elements, spectral analysis and THD of the output voltage waveform.
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