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Technical University of Crete
Technical University of Crete
EN
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| URI | http://purl.tuc.gr/dl/dias/D96484D4-856A-4AEA-BC3C-88D56604E129 | - |
| Identifier | https://doi.org/10.1109/JETCAS.2022.3141106 | - |
| Identifier | https://ieeexplore.ieee.org/document/9673767 | - |
| Language | en | - |
| Extent | 9 pages | en |
| Title | A new Kalman-Filter-based harmonic current suppression method for the virtual oscillator controlled grid-tied inverter | en |
| Creator | Luo Siyi | en |
| Creator | Wu Weimin | en |
| Creator | Koutroulis Eftychios | en |
| Creator | Κουτρουλης Ευτυχιος | el |
| Creator | Chung Henry Shu-Hung | en |
| Creator | Blaabjerg, Frede, 1963- | en |
| Publisher | Institute of Electrical and Electronics Engineers | en |
| Description | This work was supported in part by the Program “Bilateral and Multilateral Research and Technology Co-Operation Between Greece and China” under Grant 2017YFGH001164 and Grant eSOLAR/T7ΔKI-00066. | en |
| Content Summary | Virtual Oscillator Control (VOC) is an advanced nonlinear grid-forming controller used for power electronics interfaced distributed generation (DG). In order to improve the reliability of voltage source converter connecting to the disturbance grid, a feedback method with enhanced virtual impedance had been inserted into the control loop of the VOC-based inverter to suppress grid-injected harmonic currents. In this paper, a new grid-injected harmonic current suppression strategy with estimated voltage feedforward is proposed for a VOC-based voltage source inverter (VSI) connected to the distorted electrical grid. To achieve the control target, the Kalman-Filter is adopted to estimate the harmonic components of the grid voltage at the point of common coupling (PCC) and insert them to the feedforward control loop of the VOC-based inverter. Compared with the traditional VOC with enhanced virtual impedance method, the proposed control strategy has a slightly better ability to suppress the grid-injected harmonic current. A 3 kW/3-phase/120 V experimental prototype system designed on the DSPACE DS1202 platform has been developed to verify the effectiveness of the proposed control strategy. | 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 | 2023-12-04 | - |
| Date of Publication | 2022 | - |
| Subject | Harmonic current suppression | en |
| Subject | Impedance analysis | en |
| Subject | Grid-tied inverter | en |
| Subject | Virtual oscillator control | en |
| Bibliographic Citation | S. Luo, W. Wu, E. Koutroulis, H. S. -H. Chung and F. Blaabjerg, "A new Kalman-Filter-based harmonic current suppression method for the virtual oscillator controlled grid-tied inverter," IEEE J. Emerging Sel. Top. Circuits Syst., vol. 12, no. 1, pp. 251-259, March 2022, doi: 10.1109/JETCAS.2022.3141106. | en |
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