Show/Hide Menu
Hide/Show Apps
Logout
Türkçe
Türkçe
Search
Search
Login
Login
OpenMETU
OpenMETU
About
About
Open Science Policy
Open Science Policy
Open Access Guideline
Open Access Guideline
Postgraduate Thesis Guideline
Postgraduate Thesis Guideline
Communities & Collections
Communities & Collections
Help
Help
Frequently Asked Questions
Frequently Asked Questions
Guides
Guides
Thesis submission
Thesis submission
MS without thesis term project submission
MS without thesis term project submission
Publication submission with DOI
Publication submission with DOI
Publication submission
Publication submission
Supporting Information
Supporting Information
General Information
General Information
Copyright, Embargo and License
Copyright, Embargo and License
Contact us
Contact us
State-Estimation-Based Determination of Harmonic Current Contributions of Iron and Steel Plants Supplied from PCC
Date
2016-05-01
Author
Sezgin, Erhan
Göl, Murat
Salor, Ozgul
Metadata
Show full item record
This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
Item Usage Stats
190
views
0
downloads
Cite This
In this paper, a state-estimation-based method is proposed to determine harmonic current contributions of iron and steel (I&S) plants supplied from a point of common coupling (PCC). Due to highly nonlinear nature of the I&S plant operation, accurate estimation of harmonic contributions of the individual plants is essential. In the proposed method, the nonlinear characteristics of the plants and the utility are modeled as harmonic current sources and the harmonic current contributions of loads are decoupled from the upstream effects on the basis of the sample-by-sample time-synchronized field measurements of load currents and voltage signals. Being a field-measurement-based method, it is necessary to mitigate the measurement errors of conventional voltage transformers (CVTs) at harmonic frequencies. Gross error of voltage transformers is reduced through calibration, while weighted least squares (WLS) state estimation is used to reduce the Gaussian error of the current transformer and calibrated voltage transformer measurements. Using the estimated harmonic voltages and currents, harmonic contributions of all plants are determined by employing the Norton equivalent circuits of the plants together with the superposition theorem. 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 supplied from the PCC. The proposed method eliminates the need for the usage of resistive-capacitive voltage transformers (RCVTs) for accurate harmonic voltage measurements, which are expensive and cumbersome, while reducing the Gaussian measurement error of conventional voltage and current transformers at the same time; hence, it provides accurate harmonic contributions of the electric arc furnace (EAF) plants.
Subject Keywords
Control and Systems Engineering
,
Electrical and Electronic Engineering
,
Industrial and Manufacturing Engineering
URI
https://hdl.handle.net/11511/41771
Journal
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
DOI
https://doi.org/10.1109/tia.2016.2521598
Collections
Department of Electrical and Electronics Engineering, Article
Suggestions
OpenMETU
Core
State estimation based determination of harmonic current contributions of iron and steel plants supplied from PCC
Sezgin, Erhan; Göl, Murat; Salor, Özgül (2015-10-22)
In this paper, a state estimation based method is proposed to determine harmonic current contributions of iron and steel (I&S) plants supplied from a Point of Common Coupling (PCC). Due to highly nonlinear nature of the iron and steel plant operation, accurate estimation of the harmonic contributions of the individual plants is essential. In the proposed method, the nonlinear characteristics of the plants and the utility are modeled as harmonic current sources and the harmonic current contributions of loads...
Self-excitation of induction motors compensated by permanently connected capacitors and recommendations for IEEE Std 141-1993
Ermiş, Muammer; Cadirci, I; Zenginobuz, G; Tezcan, H (Institute of Electrical and Electronics Engineers (IEEE), 2003-03-01)
Self-excitation of induction motors compensated by permanently connected capacitors is investigated in this paper. Theoretical analyses of self, excitation phenomenon are carried out by using some simplified equivalent circuits, and a hybrid mathematical model in ABC/dq axes, respectively, in steady state and transient state. An unusual operating condition about water pumping stations is reported, in which water within the pipeline may drive the motor in the reverse direction at speeds higher than synchrono...
Power quality solutions for 12-pulse smelter converters in ETI aluminum works
Ermiş, Muammer; Gultekin, B; Terciyanli, A; Nalcaci, E; Cadirci, I; Ozay, N; Ermis, C; Gokmen, M; Kiziltan, H (Institute of Electrical and Electronics Engineers (IEEE), 2004-11-01)
This paper describes the solution of power quality problems arising from 12-pulse smelter converters in the ETI Aluminum Works, Seydisehir, Turkey. The design work is based on practical data collected in the field as well as on the results of detailed simulation studies obtained by EMTDC/PSCAD, SPICE, and MATLAB. The main design objective is to meet both present regulations and harmonic standards by using robust, reliable, and cost-effective systems with a long life expectancy. The shunt-connected passive r...
Hydrometallurgical processing of nontronite type lateritic nickel ores by MHP process
Kose, C. H.; Topkaya, Yavuz Ali (Elsevier BV, 2011-04-01)
The research work presented in this paper determined the optimum conditions at which nickel and cobalt could be obtained at maximum efficiency from the column leach liquor of the lateritic nickel ore existing in Gordes region of Manisa in Turkey by performing effective hydrometallurgical methods. This column leach solution was initially neutralized and purified from its basic impurities by a two-stage iron removal process, nickel and cobalt were precipitated in the form of mixed hydroxide precipitate from t...
Predicted impact of collector and zeolite choice on the thermodynamic and economic performance of a solar-powered adsorption cooling system
Baker, Derek Keıth (Informa UK Limited, 2007-04-01)
Transient thermodynamic and capital cost models for an intermittent solar-powered adsorption cooling system are presented. The models are used to predict size and cost trends as the type of zeolite and collector, and maximum zeolite temperature (T-Z,T-Max), are varied. The best synthetic and natural zeolites considered have similar performance. The minimum cost system uses a flat plate collector for T-Z,T- Max < 160 degrees C and an evacuated tube collector for T-Z,T- Max > 160 degrees C. Collector costs do...
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
E. Sezgin, M. Göl, and O. Salor, “State-Estimation-Based Determination of Harmonic Current Contributions of Iron and Steel Plants Supplied from PCC,”
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
, pp. 2654–2663, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/41771.