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- Title
Fast and accurate frequency estimation in distorted grids using a three‐sample based algorithm.
- Authors
Reza, Md. Shamim; Hossain, Md. Maruf; Agelidis, Vassilios G.
- Abstract
This study proposes a frequency estimation technique for single‐phase systems in the presence of harmonic pollution. The technique is based on three consecutive samples and has an infinite‐impulse response, thus being a relatively simple one. It is immune to harmonic distortion at both nominal and off‐nominal frequencies. In addition, it offers frequency step estimation with a settling time of one nominal fundamental cycle. Compared to the competing algorithm based on three consecutive samples, the proposed one offers a faster dynamic response and improved estimation at steady state, and is also computationally efficient, thus requiring less hardware and cost for implementation. Simulated and real‐time experimental results confirm that the proposed technique exhibits superior performance when compared to the considered similar algorithm.
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2019, Vol 13, Issue 17, p4242
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2018.5547