Carrier interleaved PWM techniques in modular multilevel converters: A comparison based on same voltage level waveforms

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URI: https://hdl.handle.net/11556/2835
ISBN: 9781479956982
DOI: 10.1109/ECCE.2014.6953907
Publication date
2014-11-11
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Institute of Electrical and Electronics Engineers Inc.
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Abstract
Depending on the modulation method the upper and lower arms of the modular multilevel converter are controlled, the topology can generate two different output voltage levels (N+1 and 2N+1) using the same number (N) of sub-modules (SMs). The analysis and evaluation presented in this paper demonstrates that for an output voltage with a given number of levels and same amount of stored energy in the arms, carrier interleaving between the arms of the MMC results in a similar overall performance compared to an MMC without carrier interleaving, despite having less SMs in each arm. The set of presented results complement existing analysis for carrier interleaving applied to MMCs with a given number of SMs per arm. The simulation and experimental results confirm the similar performance of the two configurations and modulation techniques.
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Publisher Copyright: © 2014 IEEE.
Keywords
Carrier interleaving , Carrier-based PWM , Modular multilevel converter , Pulse-width modulation , Fuel Technology , Energy Engineering and Power Technology
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conference output
Citation
Darus , R , Konstantinou , G , Pou , J , Ceballos , S & Agelidis , V G 2014 , Carrier interleaved PWM techniques in modular multilevel converters : A comparison based on same voltage level waveforms . in 2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014 . , 6953907 , 2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014 , Institute of Electrical and Electronics Engineers Inc. , pp. 3725-3730 . https://doi.org/10.1109/ECCE.2014.6953907