Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems

This article describes the novel self-balanced switched capacitor multilevel inverter (SCMLI) for microgrid applications by utilizing the solar photovoltaic (PV) source. The proposed topology is the combination of corresponding controlled power switching devices and capacitors to enhance the expecte...

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Main Authors: Paneti Anjaneya Vara Prasad, C. Dhanamjayulu
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:Results in Engineering
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Online Access:http://www.sciencedirect.com/science/article/pii/S2590123025026040
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author Paneti Anjaneya Vara Prasad
C. Dhanamjayulu
author_facet Paneti Anjaneya Vara Prasad
C. Dhanamjayulu
author_sort Paneti Anjaneya Vara Prasad
collection DOAJ
description This article describes the novel self-balanced switched capacitor multilevel inverter (SCMLI) for microgrid applications by utilizing the solar photovoltaic (PV) source. The proposed topology is the combination of corresponding controlled power switching devices and capacitors to enhance the expected output voltage by operating in charging mode and discharging mode based on the requirement. The high voltage gain, low device count, and the capacitor self-voltage balancing are the main constructional advantages of this topology. The proposed topology usages a lower number of switches to generate the required output voltage level at the load side with the help of the average level constant carrier pulse width modulation (PWM) technique. The soft handling of switches and the balancing of capacitor voltage are also done with this PWM technique. This proposed topology also had merits like having less voltage stress, cost, losses, and total harmonic distortion (THD) along with high efficiency. The assessment concerning the comparison of presented topology by some already existing SCMLI topologies has been done by the constructional and performance parameters. To validate these advantages of the Proposed topology, the simulation outcomes, as well as experimental outcomes are presented.
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institution Kabale University
issn 2590-1230
language English
publishDate 2025-09-01
publisher Elsevier
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spelling doaj-art-5c4823e2cf754da3987d0f8cb990a22c2025-08-20T03:44:36ZengElsevierResults in Engineering2590-12302025-09-012710653510.1016/j.rineng.2025.106535Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systemsPaneti Anjaneya Vara Prasad0C. Dhanamjayulu1School of Electrical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, IndiaCorresponding author.; School of Electrical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, IndiaThis article describes the novel self-balanced switched capacitor multilevel inverter (SCMLI) for microgrid applications by utilizing the solar photovoltaic (PV) source. The proposed topology is the combination of corresponding controlled power switching devices and capacitors to enhance the expected output voltage by operating in charging mode and discharging mode based on the requirement. The high voltage gain, low device count, and the capacitor self-voltage balancing are the main constructional advantages of this topology. The proposed topology usages a lower number of switches to generate the required output voltage level at the load side with the help of the average level constant carrier pulse width modulation (PWM) technique. The soft handling of switches and the balancing of capacitor voltage are also done with this PWM technique. This proposed topology also had merits like having less voltage stress, cost, losses, and total harmonic distortion (THD) along with high efficiency. The assessment concerning the comparison of presented topology by some already existing SCMLI topologies has been done by the constructional and performance parameters. To validate these advantages of the Proposed topology, the simulation outcomes, as well as experimental outcomes are presented.http://www.sciencedirect.com/science/article/pii/S2590123025026040Multilevel InverterSwitched CapacitorBoostingPhotovoltaicSelf-balancingReliability
spellingShingle Paneti Anjaneya Vara Prasad
C. Dhanamjayulu
Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
Results in Engineering
Multilevel Inverter
Switched Capacitor
Boosting
Photovoltaic
Self-balancing
Reliability
title Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
title_full Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
title_fullStr Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
title_full_unstemmed Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
title_short Implementation of voltage self-balanced 17-level switched capacitor MLI topology for solar PV systems
title_sort implementation of voltage self balanced 17 level switched capacitor mli topology for solar pv systems
topic Multilevel Inverter
Switched Capacitor
Boosting
Photovoltaic
Self-balancing
Reliability
url http://www.sciencedirect.com/science/article/pii/S2590123025026040
work_keys_str_mv AT panetianjaneyavaraprasad implementationofvoltageselfbalanced17levelswitchedcapacitormlitopologyforsolarpvsystems
AT cdhanamjayulu implementationofvoltageselfbalanced17levelswitchedcapacitormlitopologyforsolarpvsystems