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Technical University of Crete
Technical University of Crete
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| URI | http://purl.tuc.gr/dl/dias/B037D150-C62C-47E3-B059-7C21F8DB8AB4 | - |
| Identifier | https://doi.org/10.1109/TIE.2023.3306395 | - |
| Identifier | https://ieeexplore.ieee.org/document/10227566 | - |
| Language | en | - |
| Extent | 7 pages | en |
| Title | Zero-sequence voltage injection-based grid impedance estimation method for three-phase four-wire DC/AC grid-connected inverter | en |
| Creator | Cheng Yanqi | en |
| Creator | Wu Weimin | en |
| Creator | Yang Yong | en |
| Creator | Koutroulis Eftychios | en |
| Creator | Κουτρουλης Ευτυχιος | el |
| Creator | Chung Henry | en |
| Creator | Liserre Marco | en |
| Creator | Blaabjerg, Frede, 1963- | en |
| Publisher | Institute of Electrical and Electronics Engineers | en |
| Description | This work was supported in part by “Bilateral and Multilateral Research and Technology Co-o. between Greece and China” under Grant 2017YFE0134300 and Grant eSOLAR/T7ΔKI-00066. | en |
| Content Summary | In this article, a novel method based on zero-sequence voltage injection to estimate grid impedance is proposed. The target of the proposed method is to inject a third harmonic before space vector pulse width modulation in order to generate zero-sequence voltage on the output side of the inverter. Then, the voltage response of the point of common coupling is measured to estimate the grid impedance. The main advantage of this method is that it minimizes the impact on the operation of the grid-connected inverter, without complex signal processing calculations. A three-phase four-wire dc–ac inverter configuration interconnected with the electric grid has been used to verify the effectiveness of the proposed method experimentally. | en |
| Type of Item | Peer-Reviewed Journal Publication | en |
| Type of Item | Δημοσίευση σε Περιοδικό με Κριτές | el |
| License | http://creativecommons.org/licenses/by/4.0/ | en |
| Date of Item | 2025-09-12 | - |
| Date of Publication | 2024 | - |
| Subject | Grid impedance estimation | en |
| Subject | Kalman filter | en |
| Subject | Three-phase four-wire | en |
| Subject | Zero-sequence voltage | en |
| Bibliographic Citation | Y. Cheng, W. Wu, Y. Yang, E. Koutroulis, H. S. -H. Chung, M. Liserre, and F. Blaabjerg "Zero-sequence voltage injection-based grid impedance estimation method for three-phase four-wire DC/AC grid-connected inverter," IEEE Trans. Ind. Electron., vol. 71, no. 7, pp. 7273-7279, July 2024, doi: 10.1109/TIE.2023.3306395. | en |
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