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Identification of Harmonic Current Contributions of Iron and Steel Plants Based on Time-Synchronized Field Measurements-Part I: At PCC
Date
2014-11-01
Author
Unsar, Ozgur
Salor, Ozgul
ÇADIRCI, IŞIK
Ermiş, Muammer
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This is the first of a two-paper series, in which a field-data-based analytical method is proposed to determine the harmonic current contributions of each iron and steel (I&S) plant supplied from the point of common coupling (PCC) and the upstream loads at the utility side. The nonlinear characteristics of the plants and the utility are modeled as harmonic current sources, whereas the linear parts of the proposed model consist of passive circuit elements. In the proposed method, the harmonic current contributions of loads are decoupled from the upstream effects, and they are determined through the harmonic Norton equivalent circuit model of the system constructed on the basis of the sample-by-sample time-synchronized field measurements of load current and PCC voltage signals. This method can be applied to circuit schemes with any number of plants supplied froma given PCC. The results have shown that the proposed method can be used as a successful estimation tool to determine the harmonic current contributions of all I&S plants connected to the PCC.
Subject Keywords
Electric power quality
,
Harmonic current contribution
,
Harmonics
,
Point of common coupling (PCC)
,
Power quality
,
Impedance
,
Systems
URI
https://hdl.handle.net/11511/30415
Journal
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
DOI
https://doi.org/10.1109/tia.2014.2311500
Collections
Graduate School of Natural and Applied Sciences, Article