Yazar "Ozdemir, Muammer" için listeleme
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Analysis of Rotor Structure Effects on Magnetic Field in Brushless Doubly Fed Induction Machine
Cavus, Baris; Ozdemir, Muammer (Ieee, 2018)In 21st century, due to reduced fossil fuels, important of renewable energy production is increasing day by day. Especially wind energy production and its technology show a rapid development. In this topic, wind turbine ... -
Analysis of Supra-Harmonics in Smart Grids
Yalcin, Turgay; Ozdemir, Muammer; Kostyla, Pawel; Leonowicz, Zbigniew (Ieee, 2017)In recent years supra-harmonic distortion studies are gaining attention in power quality research area. Advanced communication systems, especially Power Line Carrier (PLC) systems in frequency range 2-150 kHz, are suitable ... -
Classification of Two Common Power Quality Disturbances Using Wavelet Based SVM
Kocaman, Cagri; Usta, Hanife; Ozdemir, Muammer; Eminoglu, Ilyas (Ieee, 2010)Development of technology increased the attention of the research community on power quality (PQ) disturbance classification problem. This paper presents wavelet based effective feature extraction method and support vector ... -
A Combined Usage of SDBR and SVC to Improve the Transient Stability Performance of a PV/Wind Generation System
Ayvaz, Alisan; Ozdemir, Muammer (Ieee, 2016)Recently, power system stability issue has gained popularity with wind and solar energy systems beginning to effective on power systems. Faults occurring at the grid cause effective voltage drops at the output of the hybrid ... -
Determination of Power Quality Disturbances in Power Systems Using Skewness and Kurtosis Coefficients
Kocaman, Cagri; Ozdemir, Muammer (Ieee, 2009)In this paper; the signals consisting of power quality disturbances is determined by using statistical methods. Five kind of power quality disturbances such as voltage swells, voltage sags, voltage with harmonics, transients ... -
Discrete Wavelet Analysis of Supra-Harmonic Emissions in Smart Grid (PV Inverter Implementation)
Yalcin, Turgay; Ozdemir, Muammer; Kostyla, Pawel; Leonowicz, Zbigniew (Ieee, 2018)Power line communication on smart grids installation with distributed energy resources (DER) produces electrical noise that may have a serious impact during communication. Also a high level of electrical noise may cause ... -
New extraction method for active, reactive and individual harmonic components from distorted current signal
Dirik, Hasan; Ozdemir, Muammer (Inst Engineering Technology-Iet, 2014)Quality problems encountered in power systems usually originate from reactive and harmonic current components drawn by non-linear loads. Therefore the extraction of reactive and harmonic current components from distorted ... -
Noise Cancellation and Feature Generation of Voltage Disturbance for Identification Smart Grid Faults
Yalcin, Turgay; Ozdemir, Muammer (Ieee, 2016)Identification of system disturbances and detection of them guarantee smart grids power quality system reliability and long lasting life of the power system. The key goal of this study is to generate non - time consuming ... -
A Novel Parameter Identification Method for Single-Phase Transformers by Using Real-Time Data
Dirik, Hasan; Gezegin, Cenk; Ozdemir, Muammer (Ieee-Inst Electrical Electronics Engineers Inc, 2014)Equivalent circuit parameters of transformers are related to the condition of their windings. Information concerning winding deformations, failures, and temperature can be acquired by monitoring these parameters. Methods ... -
An Online Parameter Monitoring Method for Power Transformers Based on DEA
Dirik, Hasan; Ozdemir, Muammer (Ieee, 2012)Transformers are the most prominent elements of power systems. In some cases, it may be desired to monitor their equivalent circuit parameters in order to establish the electrical models of them or to determine some of the ... -
Pattern Recognition Method for Identifying Smart Grid Power Quality Disturbance
Yalcin, Turgay; Ozdemir, Muammer (Ieee, 2016)Pattern recognition of power quality (PQ) disturbances in electrical power distribution system especially in smart grids has developed into crucial topic for system equipment and end-user. Methodically analyzing the PQ ...
