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Energies
Volume 14
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10.3390/en14041202
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Article

Optimal Selection of Metering Points for Power Quality Measurements in Distribution System †

by
Krzysztof Piatek
*,
Andrzej Firlit
,
Krzysztof Chmielowiec
,
Mateusz Dutka
,
Szymon Barczentewicz
and
Zbigniew Hanzelka
Department of Power Electronics and Energy Control Systems, AGH—University of Science and Technology, 30-059 Kraków, Poland
*
Author to whom correspondence should be addressed.
†
This paper is an extended version of the paper published in Proceedings of 12th International Conference and Exhibition on Electrical Power Quality and Utilization (EPQU 2020), Cracow, Poland, 14–15 September 2020.
Energies 2021, 14(4), 1202; https://doi.org/10.3390/en14041202
Submission received: 29 December 2020 / Revised: 2 February 2021 / Accepted: 11 February 2021 / Published: 23 February 2021
(This article belongs to the Special Issue Selected Papers from The 12th International Conference on Electrical Power Quality and Utilization (EPQU2020))
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Abstract

Quality of power supply in power distribution systems requires continuous measurement using power quality analyzers installed in the grid. The paper reviews the published methods for optimal location of metering points in distribution systems in the context of power quality metering and assessment. Three methods have been selected for detailed analysis and comparative tests. It has been found that utilization of the methods is possible, but their performance varies highly depending on the test grid’s topology. Since the methods rely on the state estimation approach, their performance is strictly related to observability analysis. It has been found that standard observability analysis used for typical state estimation problem yields ambiguous results when applied to power quality assessment. Inherited properties of the selected methods are also analyzed, which allows for the formulation of general recommendations about optimal selection of metering points in a distribution system.
Keywords: power quality; metering systems; optimal metering; optimization power quality; metering systems; optimal metering; optimization

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MDPI and ACS Style

Piatek, K.; Firlit, A.; Chmielowiec, K.; Dutka, M.; Barczentewicz, S.; Hanzelka, Z. Optimal Selection of Metering Points for Power Quality Measurements in Distribution System. Energies 2021, 14, 1202. https://doi.org/10.3390/en14041202

AMA Style

Piatek K, Firlit A, Chmielowiec K, Dutka M, Barczentewicz S, Hanzelka Z. Optimal Selection of Metering Points for Power Quality Measurements in Distribution System. Energies. 2021; 14(4):1202. https://doi.org/10.3390/en14041202

Chicago/Turabian Style

Piatek, Krzysztof, Andrzej Firlit, Krzysztof Chmielowiec, Mateusz Dutka, Szymon Barczentewicz, and Zbigniew Hanzelka. 2021. "Optimal Selection of Metering Points for Power Quality Measurements in Distribution System" Energies 14, no. 4: 1202. https://doi.org/10.3390/en14041202

APA Style

Piatek, K., Firlit, A., Chmielowiec, K., Dutka, M., Barczentewicz, S., & Hanzelka, Z. (2021). Optimal Selection of Metering Points for Power Quality Measurements in Distribution System. Energies, 14(4), 1202. https://doi.org/10.3390/en14041202

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