Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters

A study on the capacity increase of a power converter according to the increase in the single capacity of wave energy converters and four-leg topology that can supply stable power even under unbalanced load conditions during independent operation is required. Therefore, in this paper, the performanc...

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Main Author: Chan Roh
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/8/2839
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author Chan Roh
author_facet Chan Roh
author_sort Chan Roh
collection DOAJ
description A study on the capacity increase of a power converter according to the increase in the single capacity of wave energy converters and four-leg topology that can supply stable power even under unbalanced load conditions during independent operation is required. Therefore, in this paper, the performances of various four-leg inverters, from two-level inverters to three-level inverters, which are used as power converters for wave energy converters, are compared respectively. Since the four-leg converter has an unusual structure, the performance of each four-leg inverter was analyzed by applying the model predictive control that can easily and simply configure the controller. To verify the performance of each four-leg inverter, a comparison was performed under balanced load and unbalanced load conditions. Based on this, a suitable four-leg topology of the power converter for wave energy converters was confirmed.
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spelling doaj.art-55498c8f791f4e6bbc201f0529d278c12023-12-01T20:49:01ZengMDPI AGEnergies1996-10732022-04-01158283910.3390/en15082839Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy ConvertersChan Roh0Department of Energy Engineering, In-je University, 197 Inje-ro, Gimhae-si 50834, KoreaA study on the capacity increase of a power converter according to the increase in the single capacity of wave energy converters and four-leg topology that can supply stable power even under unbalanced load conditions during independent operation is required. Therefore, in this paper, the performances of various four-leg inverters, from two-level inverters to three-level inverters, which are used as power converters for wave energy converters, are compared respectively. Since the four-leg converter has an unusual structure, the performance of each four-leg inverter was analyzed by applying the model predictive control that can easily and simply configure the controller. To verify the performance of each four-leg inverter, a comparison was performed under balanced load and unbalanced load conditions. Based on this, a suitable four-leg topology of the power converter for wave energy converters was confirmed.https://www.mdpi.com/1996-1073/15/8/2839four-leg invertermodel predictive controlbalanced loadunbalanced loadwave energy converter
spellingShingle Chan Roh
Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
Energies
four-leg inverter
model predictive control
balanced load
unbalanced load
wave energy converter
title Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
title_full Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
title_fullStr Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
title_full_unstemmed Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
title_short Performance Comparisons of Three-Phase/Four-Wire Model Predictive Control-Based DC/AC Inverters Capable of Asymmetric Operation for Wave Energy Converters
title_sort performance comparisons of three phase four wire model predictive control based dc ac inverters capable of asymmetric operation for wave energy converters
topic four-leg inverter
model predictive control
balanced load
unbalanced load
wave energy converter
url https://www.mdpi.com/1996-1073/15/8/2839
work_keys_str_mv AT chanroh performancecomparisonsofthreephasefourwiremodelpredictivecontrolbaseddcacinverterscapableofasymmetricoperationforwaveenergyconverters