A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems
This article discusses the potential of using modular multilevel converters (MMC)s in large-scale photovoltaic (PV) systems. A novel modular circuit configuration for the integration of the PV system into the grid using MMC is proposed. The proposed circuit is modular, scalable, and has excellent pe...
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2025
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| author | Elsanabary A. Mekhilef S. Seyedmahmoudian M. Stojcevski A. |
| author2 | 57221120034 |
| author_facet | 57221120034 Elsanabary A. Mekhilef S. Seyedmahmoudian M. Stojcevski A. |
| author_sort | Elsanabary A. |
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| content_provider | Universiti Tenaga Nasional |
| content_source | UNITEN Institutional Repository |
| continent | Asia |
| country | Malaysia |
| description | This article discusses the potential of using modular multilevel converters (MMC)s in large-scale photovoltaic (PV) systems. A novel modular circuit configuration for the integration of the PV system into the grid using MMC is proposed. The proposed circuit is modular, scalable, and has excellent performance during extreme PV shading conditions. Unlike other PV-MMC circuits, this circuit configuration eliminates the power unbalance between the arms of the converter. This feature enables the converter to deal only with the power unbalance occurring between the phases which eases the control process and ensures a wide range of power balancing of the MMC. A control strategy is adopted to provide a balanced operation of the converter under different conditions. It eliminates the power unbalance between the MMC phases by only injecting the dc circulating current component while the ac component is excluded which reduces the internal losses and increases the stability of the converter. The proposed circuit configuration and the control strategy are tested using the RT box Hardware-in-the-Loop technology. The corresponding analysis and results are provided to demonstrate the effectiveness and the excellent dynamic performance of the proposed system during various PV power generation conditions. ? 1986-2012 IEEE. |
| format | Article |
| id | my.uniten.dspace-36687 |
| institution | Universiti Tenaga Nasional |
| publishDate | 2025 |
| publisher | Institute of Electrical and Electronics Engineers Inc. |
| record_format | dspace |
| spelling | my.uniten.dspace-366872025-03-03T15:43:55Z A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems Elsanabary A. Mekhilef S. Seyedmahmoudian M. Stojcevski A. 57221120034 57928298500 55575761400 55884935900 Electric power system control Power converters Power quality System stability Timing circuits Circuit stability Energy-balancing Grid Legged locomotion Load flow Modular multilevel converter Modularity Modulars Multilevel converter Photovoltaic systems Power systems stability Electric load flow This article discusses the potential of using modular multilevel converters (MMC)s in large-scale photovoltaic (PV) systems. A novel modular circuit configuration for the integration of the PV system into the grid using MMC is proposed. The proposed circuit is modular, scalable, and has excellent performance during extreme PV shading conditions. Unlike other PV-MMC circuits, this circuit configuration eliminates the power unbalance between the arms of the converter. This feature enables the converter to deal only with the power unbalance occurring between the phases which eases the control process and ensures a wide range of power balancing of the MMC. A control strategy is adopted to provide a balanced operation of the converter under different conditions. It eliminates the power unbalance between the MMC phases by only injecting the dc circulating current component while the ac component is excluded which reduces the internal losses and increases the stability of the converter. The proposed circuit configuration and the control strategy are tested using the RT box Hardware-in-the-Loop technology. The corresponding analysis and results are provided to demonstrate the effectiveness and the excellent dynamic performance of the proposed system during various PV power generation conditions. ? 1986-2012 IEEE. Final 2025-03-03T07:43:55Z 2025-03-03T07:43:55Z 2024 Article 10.1109/TEC.2023.3318565 2-s2.0-85181568590 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85181568590&doi=10.1109%2fTEC.2023.3318565&partnerID=40&md5=3721b940f3b149c4690dcb6d2f93ccec https://irepository.uniten.edu.my/handle/123456789/36687 39 1 3 16 Institute of Electrical and Electronics Engineers Inc. Scopus |
| spellingShingle | Electric power system control Power converters Power quality System stability Timing circuits Circuit stability Energy-balancing Grid Legged locomotion Load flow Modular multilevel converter Modularity Modulars Multilevel converter Photovoltaic systems Power systems stability Electric load flow Elsanabary A. Mekhilef S. Seyedmahmoudian M. Stojcevski A. A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title | A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title_full | A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title_fullStr | A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title_full_unstemmed | A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title_short | A Novel Circuit Configuration for the Integration of Modular Multilevel Converter With Large-Scale Grid-Connected PV Systems |
| title_sort | novel circuit configuration for the integration of modular multilevel converter with large-scale grid-connected pv systems |
| topic | Electric power system control Power converters Power quality System stability Timing circuits Circuit stability Energy-balancing Grid Legged locomotion Load flow Modular multilevel converter Modularity Modulars Multilevel converter Photovoltaic systems Power systems stability Electric load flow |
| url_provider | http://dspace.uniten.edu.my/ |