Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications
This paper proposes a novel single-phase integrated inverter for photovoltaic (PV) applications called Hybrid Inverter Zeta-Ćuk (HIZC). The HIZC operates in discontinuous conduction mode and employs four unidirectional power switches, which are achieved by associating series power diodes...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Open Journal of Power Electronics |
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| Online Access: | https://ieeexplore.ieee.org/document/11021613/ |
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| author | Anderson A. Dionizio Leonardo P. Sampaio Sergio A. O. da Silva Vitor Monteiro Joao L. Afonso |
| author_facet | Anderson A. Dionizio Leonardo P. Sampaio Sergio A. O. da Silva Vitor Monteiro Joao L. Afonso |
| author_sort | Anderson A. Dionizio |
| collection | DOAJ |
| description | This paper proposes a novel single-phase integrated inverter for photovoltaic (PV) applications called Hybrid Inverter Zeta-Ćuk (HIZC). The HIZC operates in discontinuous conduction mode and employs four unidirectional power switches, which are achieved by associating series power diodes to MOSFETs. In addition, during the grid’s positive half-cycle, the inverter acts similarly to the Zeta converter. On the other hand, during the negative half-cycle, the inverter operates similarly to the Ćuk converter. Due to the adopted design criteria, the Zeta and the Ćuk operation modes show similar behavior. The small-signals analysis considers the Zeta and Ćuk operation modes, showing a significant similarity between their frequency responses, proofing the similarity of the HIZC’s functionality in both operation modes. The HIZC can boost the voltage of the PV array and perform the DC-AC conversion at the same time. The maximum power available at the PV array is harvested using a multi-loop control in conjunction with the perturb-and-observe algorithm, while an AF-αβ-PLL system guarantees synchronism with the power grid. Experimental results prove the structure feasibility of the proposed topology for PV applications. In addition, the HIZC presents high-efficiency conversion and also low total harmonic distortion in the current injected into the power grid. |
| format | Article |
| id | doaj-art-98d4819e75a04ecf9d42e0ec7cfcd3eb |
| institution | Kabale University |
| issn | 2644-1314 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Open Journal of Power Electronics |
| spelling | doaj-art-98d4819e75a04ecf9d42e0ec7cfcd3eb2025-08-20T03:26:56ZengIEEEIEEE Open Journal of Power Electronics2644-13142025-01-0161094110910.1109/OJPEL.2025.357629611021613Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic ApplicationsAnderson A. Dionizio0https://orcid.org/0000-0001-6749-6512Leonardo P. Sampaio1https://orcid.org/0000-0002-6854-3015Sergio A. O. da Silva2https://orcid.org/0000-0003-3546-1088Vitor Monteiro3https://orcid.org/0000-0001-6640-8955Joao L. Afonso4https://orcid.org/0000-0001-9195-1239Electrical Engineering Department, Federal University of Technology - Paraná, Cornélio Procópio, BrazilElectrical Engineering Department, Federal University of Technology - Paraná, Cornélio Procópio, BrazilElectrical Engineering Department, Federal University of Technology - Paraná, Cornélio Procópio, BrazilDepartment of Industrial Electronics, University of Minho, Guimaraes, PortugalDepartment of Industrial Electronics, University of Minho, Guimaraes, PortugalThis paper proposes a novel single-phase integrated inverter for photovoltaic (PV) applications called Hybrid Inverter Zeta-Ćuk (HIZC). The HIZC operates in discontinuous conduction mode and employs four unidirectional power switches, which are achieved by associating series power diodes to MOSFETs. In addition, during the grid’s positive half-cycle, the inverter acts similarly to the Zeta converter. On the other hand, during the negative half-cycle, the inverter operates similarly to the Ćuk converter. Due to the adopted design criteria, the Zeta and the Ćuk operation modes show similar behavior. The small-signals analysis considers the Zeta and Ćuk operation modes, showing a significant similarity between their frequency responses, proofing the similarity of the HIZC’s functionality in both operation modes. The HIZC can boost the voltage of the PV array and perform the DC-AC conversion at the same time. The maximum power available at the PV array is harvested using a multi-loop control in conjunction with the perturb-and-observe algorithm, while an AF-αβ-PLL system guarantees synchronism with the power grid. Experimental results prove the structure feasibility of the proposed topology for PV applications. In addition, the HIZC presents high-efficiency conversion and also low total harmonic distortion in the current injected into the power grid.https://ieeexplore.ieee.org/document/11021613/Ćuk converterintegrated inverterphotovoltaic systempower electronicszeta converter |
| spellingShingle | Anderson A. Dionizio Leonardo P. Sampaio Sergio A. O. da Silva Vitor Monteiro Joao L. Afonso Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications IEEE Open Journal of Power Electronics Ćuk converter integrated inverter photovoltaic system power electronics zeta converter |
| title | Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications |
| title_full | Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications |
| title_fullStr | Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications |
| title_full_unstemmed | Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications |
| title_short | Hybrid Inverter Zeta-Ćuk for Grid-Tied Photovoltaic Applications |
| title_sort | hybrid inverter zeta x0106 uk for grid tied photovoltaic applications |
| topic | Ćuk converter integrated inverter photovoltaic system power electronics zeta converter |
| url | https://ieeexplore.ieee.org/document/11021613/ |
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