An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer
The integration of photovoltaic (PV) systems with the grid connected four-leg voltage source inverters (4LVSI) offers more efficient power conversion and distribution. However, the complexity of these higher-order systems presents significant control challenges due to the sensitive nature of both DC...
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2025-01-01
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| author | Chebabhi Ali Defdaf Mabrouk Syphax Ihammouchen Nicu Bizon Benbouhenni Habib Kessal Abdelhalim Rekioua Toufik Benkhoris Mohamed Fouad |
| author_facet | Chebabhi Ali Defdaf Mabrouk Syphax Ihammouchen Nicu Bizon Benbouhenni Habib Kessal Abdelhalim Rekioua Toufik Benkhoris Mohamed Fouad |
| author_sort | Chebabhi Ali |
| collection | DOAJ |
| description | The integration of photovoltaic (PV) systems with the grid connected four-leg voltage source inverters (4LVSI) offers more efficient power conversion and distribution. However, the complexity of these higher-order systems presents significant control challenges due to the sensitive nature of both DC bus voltage and 4LVSI output currents, which introduce complex dynamic interactions within the 4LVSI control system and limit its overall control performance, particularly under system uncertainties and disturbances such as variations in irradiance, PV cell temperature, and grid voltage. To address these challenges, an enhanced active disturbance rejection control (EADRC) scheme based on a super-twisting sliding mode observer (STSMO) is designed for the outer DC bus voltage control loop. The STSMO is incorporated in the ADRC method for its fast uncertainties and external disturbances estimations, high resilience against uncertainties, and good immunity to measurement noise. The proposed STSMO-based ADRC approach effectively estimates and compensates for system uncertainties and external disturbances, thereby enhancing DC bus voltage dynamics and stability, improving resilience against uncertainties, increasing immunity to measurement noise, ensuring better steady-state accuracy of the DC bus voltage, and increasing system reliability while reducing cost and size. The effectiveness and superiority of the proposed control method for the PV grid-connected 4LVSI system are validated through both simulation and real-time studies using the OPAL-RT simulator. The results demonstrate robust performance under parameter uncertainties and disturbances, including variations in irradiance, PV cell temperature, DC bus capacitor value, and grid voltage sags. |
| format | Article |
| id | doaj-art-5396a428839146a1a0902fca6005e4db |
| institution | Kabale University |
| issn | 2169-3536 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-5396a428839146a1a0902fca6005e4db2025-01-31T00:00:55ZengIEEEIEEE Access2169-35362025-01-0113186231864310.1109/ACCESS.2025.353301510850916An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode ObserverChebabhi Ali0https://orcid.org/0000-0002-2662-4298Defdaf Mabrouk1https://orcid.org/0000-0002-9100-057XSyphax Ihammouchen2https://orcid.org/0009-0005-5990-2644Nicu Bizon3https://orcid.org/0000-0001-9311-7598Benbouhenni Habib4https://orcid.org/0000-0001-8253-4863Kessal Abdelhalim5https://orcid.org/0000-0002-6059-7430Rekioua Toufik6https://orcid.org/0000-0002-6258-5708Benkhoris Mohamed Fouad7https://orcid.org/0000-0003-0739-7058Electrical Engineering Laboratory, Faculty of Technology, University of M’sila, M’sila, AlgeriaElectrical Engineering Laboratory, Faculty of Technology, University of M’sila, M’sila, AlgeriaLaboratoire de Technologie Industrielle et de l’Information (LTII), Université de Bejaia, Béjaïa, AlgeriaFaculty of Electronics, Communication and Computers, National University of Science and Technology POLITEHNICA Bucharest, Bucureşti, RomaniaDepartment of Electrical Engineering, University of Chlef, Chlef, AlgeriaLPMRN Laboratory, Faculty of Sciences and Technology, Université Mohamed El Bachir El Ibrahimi de Bordj Bou Arréridj, Bordj Bou Arreridj, AlgeriaLaboratoire de Technologie Industrielle et de l’Information (LTII), Université de Bejaia, Béjaïa, AlgeriaIREENA Laboratory, University of Nantes, Saint-Nazaire, FranceThe integration of photovoltaic (PV) systems with the grid connected four-leg voltage source inverters (4LVSI) offers more efficient power conversion and distribution. However, the complexity of these higher-order systems presents significant control challenges due to the sensitive nature of both DC bus voltage and 4LVSI output currents, which introduce complex dynamic interactions within the 4LVSI control system and limit its overall control performance, particularly under system uncertainties and disturbances such as variations in irradiance, PV cell temperature, and grid voltage. To address these challenges, an enhanced active disturbance rejection control (EADRC) scheme based on a super-twisting sliding mode observer (STSMO) is designed for the outer DC bus voltage control loop. The STSMO is incorporated in the ADRC method for its fast uncertainties and external disturbances estimations, high resilience against uncertainties, and good immunity to measurement noise. The proposed STSMO-based ADRC approach effectively estimates and compensates for system uncertainties and external disturbances, thereby enhancing DC bus voltage dynamics and stability, improving resilience against uncertainties, increasing immunity to measurement noise, ensuring better steady-state accuracy of the DC bus voltage, and increasing system reliability while reducing cost and size. The effectiveness and superiority of the proposed control method for the PV grid-connected 4LVSI system are validated through both simulation and real-time studies using the OPAL-RT simulator. The results demonstrate robust performance under parameter uncertainties and disturbances, including variations in irradiance, PV cell temperature, DC bus capacitor value, and grid voltage sags.https://ieeexplore.ieee.org/document/10850916/Three-phase photovoltaic (PV) grid-connected four leg voltage source inverter (4LVSI)DC bus voltage disturbancesenhanced active disturbance rejection control (EADRC) schemesuper-twisting sliding mode observer (STSMO) |
| spellingShingle | Chebabhi Ali Defdaf Mabrouk Syphax Ihammouchen Nicu Bizon Benbouhenni Habib Kessal Abdelhalim Rekioua Toufik Benkhoris Mohamed Fouad An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer IEEE Access Three-phase photovoltaic (PV) grid-connected four leg voltage source inverter (4LVSI) DC bus voltage disturbances enhanced active disturbance rejection control (EADRC) scheme super-twisting sliding mode observer (STSMO) |
| title | An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer |
| title_full | An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer |
| title_fullStr | An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer |
| title_full_unstemmed | An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer |
| title_short | An Enhanced Active Disturbance Rejection Control Scheme for DC Voltage Regulation in Photovoltaic Grid-Connected Four-Leg Inverter Using a Sliding Mode Observer |
| title_sort | enhanced active disturbance rejection control scheme for dc voltage regulation in photovoltaic grid connected four leg inverter using a sliding mode observer |
| topic | Three-phase photovoltaic (PV) grid-connected four leg voltage source inverter (4LVSI) DC bus voltage disturbances enhanced active disturbance rejection control (EADRC) scheme super-twisting sliding mode observer (STSMO) |
| url | https://ieeexplore.ieee.org/document/10850916/ |
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