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Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions
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| Zeitschriftentitel: | Energies |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Energies, 12, 2019, 6, S. 1023 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
MDPI AG
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| Schlagwörter: |
| author_facet |
Ma, Wenjie Ouyang, Sen Xu, Weidong Ma, Wenjie Ouyang, Sen Xu, Weidong |
|---|---|
| author |
Ma, Wenjie Ouyang, Sen Xu, Weidong |
| spellingShingle |
Ma, Wenjie Ouyang, Sen Xu, Weidong Energies Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions Energy (miscellaneous) Energy Engineering and Power Technology Renewable Energy, Sustainability and the Environment Electrical and Electronic Engineering Control and Optimization Engineering (miscellaneous) |
| author_sort |
ma, wenjie |
| spelling |
Ma, Wenjie Ouyang, Sen Xu, Weidong 1996-1073 MDPI AG Energy (miscellaneous) Energy Engineering and Power Technology Renewable Energy, Sustainability and the Environment Electrical and Electronic Engineering Control and Optimization Engineering (miscellaneous) http://dx.doi.org/10.3390/en12061023 <jats:p>To quickly and accurately estimate the parameters of the fundamental positive- and negative-sequence under the unbalanced and distorted grid voltage, a synchronization method is presented in this paper. The proposed method is based on both a harmonic decoupling network consisting of multiple dual second-order generalized integrators (MDSOGIs) and an improved frequency locked loop (IFLL), so it is called the MDSOGI-IFLL. Due to the IFLL, the system has the feature that the dynamic performance of estimating the fundamental frequency is independent of the variation of both the fundamental positive- and negative-sequence voltage. In this paper, a first-order linear frequency adaption model is established for the design of the IFLL. Finally, the good performance of the proposed MDSOGI-IFLL is validated by the simulation and experiment.</jats:p> Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions Energies |
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| title |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_unstemmed |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_full |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_fullStr |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_full_unstemmed |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_short |
Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_sort |
improved frequency locked loop based synchronization method for three-phase grid-connected inverter under unbalanced and distorted grid conditions |
| topic |
Energy (miscellaneous) Energy Engineering and Power Technology Renewable Energy, Sustainability and the Environment Electrical and Electronic Engineering Control and Optimization Engineering (miscellaneous) |
| url |
http://dx.doi.org/10.3390/en12061023 |
| publishDate |
2019 |
| physical |
1023 |
| description |
<jats:p>To quickly and accurately estimate the parameters of the fundamental positive- and negative-sequence under the unbalanced and distorted grid voltage, a synchronization method is presented in this paper. The proposed method is based on both a harmonic decoupling network consisting of multiple dual second-order generalized integrators (MDSOGIs) and an improved frequency locked loop (IFLL), so it is called the MDSOGI-IFLL. Due to the IFLL, the system has the feature that the dynamic performance of estimating the fundamental frequency is independent of the variation of both the fundamental positive- and negative-sequence voltage. In this paper, a first-order linear frequency adaption model is established for the design of the IFLL. Finally, the good performance of the proposed MDSOGI-IFLL is validated by the simulation and experiment.</jats:p> |
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| author | Ma, Wenjie, Ouyang, Sen, Xu, Weidong |
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| description | <jats:p>To quickly and accurately estimate the parameters of the fundamental positive- and negative-sequence under the unbalanced and distorted grid voltage, a synchronization method is presented in this paper. The proposed method is based on both a harmonic decoupling network consisting of multiple dual second-order generalized integrators (MDSOGIs) and an improved frequency locked loop (IFLL), so it is called the MDSOGI-IFLL. Due to the IFLL, the system has the feature that the dynamic performance of estimating the fundamental frequency is independent of the variation of both the fundamental positive- and negative-sequence voltage. In this paper, a first-order linear frequency adaption model is established for the design of the IFLL. Finally, the good performance of the proposed MDSOGI-IFLL is validated by the simulation and experiment.</jats:p> |
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| spelling | Ma, Wenjie Ouyang, Sen Xu, Weidong 1996-1073 MDPI AG Energy (miscellaneous) Energy Engineering and Power Technology Renewable Energy, Sustainability and the Environment Electrical and Electronic Engineering Control and Optimization Engineering (miscellaneous) http://dx.doi.org/10.3390/en12061023 <jats:p>To quickly and accurately estimate the parameters of the fundamental positive- and negative-sequence under the unbalanced and distorted grid voltage, a synchronization method is presented in this paper. The proposed method is based on both a harmonic decoupling network consisting of multiple dual second-order generalized integrators (MDSOGIs) and an improved frequency locked loop (IFLL), so it is called the MDSOGI-IFLL. Due to the IFLL, the system has the feature that the dynamic performance of estimating the fundamental frequency is independent of the variation of both the fundamental positive- and negative-sequence voltage. In this paper, a first-order linear frequency adaption model is established for the design of the IFLL. Finally, the good performance of the proposed MDSOGI-IFLL is validated by the simulation and experiment.</jats:p> Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions Energies |
| spellingShingle | Ma, Wenjie, Ouyang, Sen, Xu, Weidong, Energies, Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions, Energy (miscellaneous), Energy Engineering and Power Technology, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Control and Optimization, Engineering (miscellaneous) |
| title | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_full | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_fullStr | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_full_unstemmed | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_short | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| title_sort | improved frequency locked loop based synchronization method for three-phase grid-connected inverter under unbalanced and distorted grid conditions |
| title_unstemmed | Improved Frequency Locked Loop Based Synchronization Method for Three-Phase Grid-Connected Inverter under Unbalanced and Distorted Grid Conditions |
| topic | Energy (miscellaneous), Energy Engineering and Power Technology, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Control and Optimization, Engineering (miscellaneous) |
| url | http://dx.doi.org/10.3390/en12061023 |