Yazar "Ozgonenel O." için listeleme
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Calculation of fundamental power frequency for digital relaying algorithms
Kocaman C.; Ozgonenel O.; Ozdemir M.; Terzi U.K. (2010)This paper describes two different measuring methodology for calculating fundamental power system frequency (50 - 60 Hz) with high accuracy for numeric protection algorithms. Especially in distance protection, to measure ... -
Current transformer modeling for compensating algorithms
Ozgonenel O.; Terzi U.K.; Petri?enko ?.; Petri?enko R. (2013)This work is about modeling and compensating CT's secondary current during saturation since working condition of the protection devices such as differential and impedance relays is mostly affected by the operating condition ... -
Detection of blackouts by using K-means clustering in a power system
Ozgonenel O.; Thomas D.W.P.; Yalcin T.; Bertizlioglu I.N. (2012)This paper presents a novel approach for the detection of abnormal power system states that force systems into blackout. K-means clustering techniques and two types of distances for identifying pattern clusters are used ... -
A different algorithm for correcting secondary current of current transformer
Ozgonenel O.; Terzi U.K.; Guney I. (2010)This work is about the negative effects of protection devices during current transformer (CT) saturation because the performance of the protection devices such as differential and impedance relays is mainly based on the ... -
Discrimination of Magnetizing Inrush and Internal Fault Currents Based on Stockwell Transform and ANN Approach for Transformer Protection
Ozgonenel O.; Terzi U.K.; Akar O.; Kurt U. (Institute of Electrical and Electronics Engineers Inc., 2019)In this study, Stockwell transform and artificial neural network were used in determining the inrush current and the internal current fault based on the power transformer protection. The S-transform is a robust transform ... -
Energy automation in low voltage system - A sample application
Kulaksiz A.I.; Ozgonenel O. (2010)In this study, the automation of an energy distribution system in a having 400 beds hospital is realised to manage electrical energy distribution. The automation system is based on a PLC-SCADA platform. Energy parameters ... -
Feature vector extraction by using empirical mode decomposition for power quality disturbances
Yalcin T.; Ozgonenel O.; Kurt U. (2011)This work presents a relatively new method known as empirical mode decomposition (EMD) for power quality disturbances. In a comprehensive and wider range of approaches and engineering activities, there is a increasing ... -
Feature vector extraction by using empirical mode decomposition from power quality disturbances
Yalcin T.; Ozgonenel O. (2012)Power quality assumes that voltages/currents are in rated frequency and values from transmission to distribution and their shape is pure sinusoid and except these comments the distributed electrical energy is assumed as ... -
Fuzzy Logic Based Low Cost Smart Home Application
Gozuoglu A.; Ozgonenel O.; Karagol S. (Institute of Electrical and Electronics Engineers Inc., 2019)Controlling and monitoring home electrical network smarter form the basis of Smart Grid technology while providing solutions for energy crisis. The aim of this study is implementation of a low-cost intelligent controller ... -
Modeling of power electronic circuits using wavelet theory
Onbilgin G.; Ozgonenel O.; Turkmenoglu V. (2007)In this paper, wavelet based transient simulation is proposed for solving power electronics circuits. The wavelet domain equivalents of electrical circuit components axe defined for solving the network to find currents and ... -
Modelling and identifying of transformer faults
Ozgonenel O.; Thomas D.W.P.; Christopoulos C. (2005)This paper introduces a novel modelling and identifying technique for the transformer internal faults. Transmission line method (TLM) is used for the modelling transformer internal faults with a linear and non-linear ... -
Multi-class power quality disturbances classification by using ensemble empirical mode decomposition based SVM
Yalcin T.; Ozgonenel O.; Kurt U. (2011)This paper presents performance comparisons of Support Vector Machine (SVM) and different classification method for power quality disturbance classification. The first goal of this study is to investigate EEMD (ensemble ... -
New Generation Plug-in Cable Design and Product Development for White Goods - Cold Plug
Kivanc O.C.; Ozgonenel O.; Bostan O. (Institute of Electrical and Electronics Engineers Inc., 2019)Cables with today's technology and professional approach through many processes are becoming more reliable. Cables that are subject to special procedures in line with customer demand, safe use is maximized. The ends of the ... -
A new transformer hysteresis model in MATLAB ™ simulink
Ozgonenel O.; Dirik H.; Guney I.; Usta O. (2009)This paper, which is an extended version of Referenced paper[1], presents a new transformer model displaying hysteresis using MATLAB™ Simulink environment. The proposed model displays a complete scheme for the simulation ... -
A new wind power measurement algorithm: A sample calculation for OMU-Dedebuzagi hill
Kolsan Ö.; Ozgonenel O.; Özdemir M.; Karaca S. (2012)In this work, both unscented transform (UT) and frequency analysis techniques are used for calculating potential wind power of OMU - Dedebuzagi hill based on a year wind data. UT technique reduces process time since it ... -
Performance analysis of artificial and wavelet neural networks for short term wind speed prediction
Senkal S.; Ozgonenel O. (IEEE Computer Society, 2013)In recent years, the importance of integrating the production of wind energy into electrical energy networks has been increasing rapidly. The biggest challenge to integrate wind energy into the power grid wind power is ... -
Principal Component Analysis (PCA) based neural network for motor protection
Ozgonenel O.; Yalcin T. (2010)In this work, a real time digital protection algorithm based on PCA and neural network methods is presented for induction motors. The proposed protection algorithm covers internal winding faults, broken rotor bar faults, ... -
Series DC Arc Fault Detection Method
Kaya K.; Ozgonenel O.; Najafi A. (Institute of Electrical and Electronics Engineers Inc., 2019)Electric arc is a series problem in modern distribution lines where DC microgrids and renewables are connected. If its characteristics and transient responses are modelled and predicted, behaviour of arc can be determined ... -
Simulation of power transformers using state variables
Ozgonenel O.; Onbilgin G. (2002)A simulation model of a three-phase, three-limb, core type power transformers was studied. The behavior of the two-winding transformer model during switching in and fault transients was analyzed. The leakage inductors and ... -
Superiority of decision tree classifier on complicated cases for power system protection
Ozgonenel O.; Thomas D.W.P.; Yalcin T. (2012)Diagnosis of power system faults requires identification and classification of voltage disturbances in power systems and smart grids. The objective of this approach is to develop state of art signal classification algorithms ...
