Adaptive Filtering-Based Pseudo Open-Loop Three-Phase Grid-Synchronization Technique

Hafiz Ahmed, Samet Biricik, Elhoussin Elbouchikhi and Mohamed Benbouzid
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Hafiz Ahmed: School of Mechanical, Aerospace and Automotive Engineering, The Futures Institute, Coventry University, Coventry CV1 2TL, UK
Samet Biricik: Department of Electrical and Electronics Engineering, European University of Lefke, Lefke, Northern Cyprus, TR-10 Mersin, Turkey
Elhoussin Elbouchikhi: ISEN Yncréa Ouest, UMR CNRS 6027 IRDL, 29200 Brest, France
Mohamed Benbouzid: UMR CNRS 6027 IRDL, University of Brest, 29238 Brest, France

Energies, 2020, vol. 13, issue 11, 1-14

Abstract: This paper studies the grid-synchronization problem of three-phase system. Second-order adaptive filters are a popular tool for grid-synchronization. In this context, reduced-order generalized integrator has attracted some attention in recent time. However, existing implementations cannot control directly the closed-loop poles (real and imaginary) of reduced-order generalized integrator. To overcome this limitation, this paper proposes a novel reduced-order generalized integrator structure. To make the proposed technique frequency adaptive, an open-loop frequency estimation technique is also used. Comparative performance analysis are provided over two other advanced and recently proposed techniques. Results demonstrate the suitability and effectiveness of the proposed technique.

Keywords: grid-synchronization; phase estimation; frequency estimation; adaptive filter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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