Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy
This paper introduces a multifunction interactive PV system that has the ability to feed a nonlinear local load in either grid-tied topology (GTT) or off-grid topology (OGT) and transits between the two topologies are seamless. The interactive PV system utilizes a sliding Fourier transform-based pha...
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| Format: | Article |
| Language: | English |
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IEEE
2021-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/9528368/ |
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| author | Atef M. Mansour Osama M. Arafa Mostafa I. Marei Ibrahim Abdelsalam Ghada A. Abdel Aziz Ahmed Abdel Sattar |
| author_facet | Atef M. Mansour Osama M. Arafa Mostafa I. Marei Ibrahim Abdelsalam Ghada A. Abdel Aziz Ahmed Abdel Sattar |
| author_sort | Atef M. Mansour |
| collection | DOAJ |
| description | This paper introduces a multifunction interactive PV system that has the ability to feed a nonlinear local load in either grid-tied topology (GTT) or off-grid topology (OGT) and transits between the two topologies are seamless. The interactive PV system utilizes a sliding Fourier transform-based phase-locked loop (SFT-PLL) as an adaptive and robust control technique for extracting the fundamental load current. Further, the SFT-PLL is also used to synchronize the inverter output voltage with the grid during the GTT. The proposed synchronization technique has a superior immunity to the weak grid problems. The SFT-PLL based control technique has a very good ability to mitigate the nonlinear load harmonics and to deliver active current to the grid with a unity power factor. Moreover, the proposed control technique is able to keep a balanced grid current when the connected load is unbalanced whether the PV source is available or not. The DC-link voltage is controlled by the controller of the voltage source inverter (VSI) during GTT. During the OGT, the AC load voltage is regulated by the VSI controller while the DC-link voltage is regulated by the boost converter controller to satisfy the power requirements of the connected load. The simulation and experimental results show the effectiveness of the proposed control technique in feeding a balanced current with THD adheres to the IEEE-519 standard at different operating conditions. The performance of the proposed method is compared with recently published adaptive filtering techniques to show its effectiveness especially when the load current has a DC-offset. |
| first_indexed | 2024-12-17T03:32:17Z |
| format | Article |
| id | doaj.art-aa9e2d3852c14dd0b24ce59133f7019b |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-12-17T03:32:17Z |
| publishDate | 2021-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-aa9e2d3852c14dd0b24ce59133f7019b2022-12-21T22:05:14ZengIEEEIEEE Access2169-35362021-01-01912346512348310.1109/ACCESS.2021.31100139528368Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control StrategyAtef M. Mansour0https://orcid.org/0000-0002-3422-3654Osama M. Arafa1Mostafa I. Marei2https://orcid.org/0000-0003-3442-4365Ibrahim Abdelsalam3https://orcid.org/0000-0002-4140-1711Ghada A. Abdel Aziz4https://orcid.org/0000-0003-0236-0707Ahmed Abdel Sattar5Power Electronics and Energy Conversion Department, Electronics Research Institute, Cairo, EgyptPower Electronics and Energy Conversion Department, Electronics Research Institute, Cairo, EgyptElectrical Power and Machines Department, Faculty of Engineering, Ain Shams University, Cairo, EgyptDepartment of Electrical Engineering, Arab Academy for Science, Technology and Maritime Transport, Cairo, EgyptPower Electronics and Energy Conversion Department, Electronics Research Institute, Cairo, EgyptElectrical Power and Machines Department, Faculty of Engineering, Ain Shams University, Cairo, EgyptThis paper introduces a multifunction interactive PV system that has the ability to feed a nonlinear local load in either grid-tied topology (GTT) or off-grid topology (OGT) and transits between the two topologies are seamless. The interactive PV system utilizes a sliding Fourier transform-based phase-locked loop (SFT-PLL) as an adaptive and robust control technique for extracting the fundamental load current. Further, the SFT-PLL is also used to synchronize the inverter output voltage with the grid during the GTT. The proposed synchronization technique has a superior immunity to the weak grid problems. The SFT-PLL based control technique has a very good ability to mitigate the nonlinear load harmonics and to deliver active current to the grid with a unity power factor. Moreover, the proposed control technique is able to keep a balanced grid current when the connected load is unbalanced whether the PV source is available or not. The DC-link voltage is controlled by the controller of the voltage source inverter (VSI) during GTT. During the OGT, the AC load voltage is regulated by the VSI controller while the DC-link voltage is regulated by the boost converter controller to satisfy the power requirements of the connected load. The simulation and experimental results show the effectiveness of the proposed control technique in feeding a balanced current with THD adheres to the IEEE-519 standard at different operating conditions. The performance of the proposed method is compared with recently published adaptive filtering techniques to show its effectiveness especially when the load current has a DC-offset.https://ieeexplore.ieee.org/document/9528368/PVSFT-PLLpower qualitygrid-tied topologyoff-grid topologyhardware in the loop |
| spellingShingle | Atef M. Mansour Osama M. Arafa Mostafa I. Marei Ibrahim Abdelsalam Ghada A. Abdel Aziz Ahmed Abdel Sattar Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy IEEE Access PV SFT-PLL power quality grid-tied topology off-grid topology hardware in the loop |
| title | Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy |
| title_full | Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy |
| title_fullStr | Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy |
| title_full_unstemmed | Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy |
| title_short | Hardware-in-the-Loop Testing of Seamless Interactions of Multi-Purpose Grid-Tied PV Inverter Based on SFT-PLL Control Strategy |
| title_sort | hardware in the loop testing of seamless interactions of multi purpose grid tied pv inverter based on sft pll control strategy |
| topic | PV SFT-PLL power quality grid-tied topology off-grid topology hardware in the loop |
| url | https://ieeexplore.ieee.org/document/9528368/ |
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