Insulation coordination in the Turkish e.h.v. transmission system

Download
index.pdf
2010
Deniz, İbrahim
Show full item record
183
views
62
downloads
This thesis reviews the line insulation coordination practices of Turkish Electricity Transmission Company with special focus on E.H.V. transmission line towers’ top geometry and ground clearances. In respect of this, the national regulation, “Elektrik Kuvvetli Akım Tesisleri Yönetmeligi”, is critically evaluated.The national regulation lags behind the modern world practice and the provisions of the regulation lead to uneconomical designs. The possible benefits of the modern practices are shown by application examples.
Electric controllers.
http://etd.lib.metu.edu.tr/upload/12612878/index.pdf
https://hdl.handle.net/11511/20214
Graduate School of Natural and Applied Sciences, Thesis

Suggestions

Determination of optimum values for voltage setpoints of power stations in Turkey
Elma, İsmail; Güven, Ali Nezih; Tör, Osman Bülent; Department of Electrical and Electronics Engineering (2014)
Voltage control is performed in three hierarchical levels in Turkish power system: primary, secondary and tertiary voltage control. Primary and secondary voltage controls are defined as the regulation of the voltage at the generator terminal and at the high voltage busbar of the power plant according to the pre-determined setpoints. The determination of the voltage setpoints for the power plants, which is defined as the tertiary voltage control, is performed by the operators in National and Regional Load Di...
Measuring the efficiency of the turkish electric distribution sector using stochastic frontier analysis
Çelen, Aydın; İyigün, Cem; Department of Industrial Engineering (2011)
This study analyzes the technical efficiencies of Turkish electricity distribution companies (21 in total) throughout 2002 and 2009. For this aim, we used six different model specifications, all of which are generated from two different Stochastic Frontier Analysis (SFA) models (Battese ve Coelli (1992&1995)). At the end of the estimations of the models, it has been seen that the signs and significance levels of the coefficient estimations are very consistent and satisfactory in all models. We also observed...
Online Characterization of Interharmonics and Harmonics of AC Electric Arc Furnaces by Multiple Synchronous Reference Frame Analysis
Uz-Logoglu, Eda; Salor, Ozgul; Ermiş, Muammer (2016-05-01)
In this paper, a multiple synchronous reference frame (MSRF) analysis framework is developed to determine the positive-and negative-sequence components of all interharmonic and harmonic currents produced by alternating current electric arc furnace (AC EAF) installations, which can be considered as balanced but asymmetrical three-phase, three-wire loads on the power system. The aim of developing the MSRF analysis framework is twofold; deep understanding of the EAF characteristics, and fast and accurate gener...
Optimal maintenance scheduling for transmission lines
Özmen, Engin Berk; Göl, Murat; Department of Electrical and Electronics Engineering (2018)
The fundamental mission of a transmission system operator is to supply desired electricity to all parts of the network continuously within acceptable economic and quality standards. Transmission lines provide the essential infrastructure to carry the power from generation stations to customers. Maintenances of the transmission lines are of great importance for not only power system reliability but also operational costs and equipment life span. Furthermore, operating the system with all available equipment ...
Statistical modeling of hourly electricity load series in Turkey
Özpala, Pınar; Gaygısız Lajunen, Esma; Department of Economics (2013)
This study investigates Heterogeneous Double Seasonal ARIMA model, Heterogeneous Periodic AR model and a nonlinear model of Multiple Regime Logistic STAR model by application of hourly electricity load data between years 2006-2007 in Turkey. Forecast results suggest that Heterogeneous Double Seasonal ARIMA model is the best among three methods forecasting up to one day.
Citation Formats
İ. Deniz, “Insulation coordination in the Turkish e.h.v. transmission system,” M.S. - Master of Science, Middle East Technical University, 2010.
METU IIS - Integrated Information Service open@metu.edu.tr