Yazar "Ozgonenel, Okan" için listeleme
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Analysis of Electricity Price in the Turkish Domestic Energy Market
Ayvaz, Alisan; Ozgonenel, Okan; Ayvaz, Birsen (Boylu) (Ieee, 2015)Market participants across the variable electricity prices seek new ways to give an idea for operation planning in the future. Since the day-ahead market regulation met with Turkey's electricity market in 2011, electricity ... -
Artificial neural network (ANN) approach for modeling Zn(II) adsorption from leachate using a new biosorbent
Turan, N. Gamze; Mesci, Basak; Ozgonenel, Okan (Elsevier Science Sa, 2011)In this study, an artificial neural network (ANN) based classification technique is applied for the prediction of percentage adsorption efficiency for the removal of Zn(II) ions from leachate by hazelnut shell. The effect ... -
Comparative Analysis of Different Probabilistic Load Flow Methods: A Case Study on Ondokuz Mayis University Campus, Turkey
Ayvaz, Birsen Boylu; Ozgonenel, Okan (Ieee, 2019)Nowadays, the deterministic load flow (DLF) methods are not adequate to meet the expectations of power system operators because of the uncertainties and variations with the consideration of renewable energy sources in power ... -
Comparison of ICA and PCA Methods for Transformer Internal Fault Studies
Ozgonenel, Okan; Kilic, Erdal (Ieee, 2008)Traditionally discrete Fourier transform, wavelet techniques etc. are used for numerical transformer protection. In this study two different techniques are suggested for this purpose. The techniques so called dynamical ... -
A complete motor protection algorithm based on PCA and ann: A real time study
Ozgonenel, Okan; Yalcin, Turgay (Tubitak Scientific & Technical Research Council Turkey, 2011)Protection of an induction motor (IM) against possible faults, such as a stator winding fault, due to thermal deterioration, rotor bar and bearing failures, is very important in environments in which it is used intensively, ... -
Correction of saturated current from measurement current transformer
Ozgonenel, Okan (Inst Engineering Technology-Iet, 2013)The suggested study presents an easy and effective way to compensate for the distorted secondary current of measurement-type current transformers (CTs). The suggested compensating algorithm is based on estimating the ... -
Defining Design Criteria of an Axial Flux Permanent Magnet Synchronous Generator
Kurt, Unal; Onbilgin, Guven; Ozgonenel, Okan (Praise Worthy Prize Srl, 2012)Axial flux permanent magnet machines using high energy magnets have been increasingly employed for several applications. This work presents a new design procedure for an axial flux permanent magnet synchronous generator ... -
The Design and Implementation of Adsorptive Removal of Cu(II) from Leachate Using ANFIS
Turan, Nurdan Gamze; Ozgonenel, Okan (Hindawi Publishing Corporation, 2013)Clinoptilolite was investigated for the removal of Cu(II) ions from industrial leachate. Adaptive neural fuzzy interface system (ANFIS) was used for modeling the batch experimental system and predicting the optimal input ... -
Detection of Transformer Internal Faults by Using Independent Component Analysis
Kilic, Erdal; Ozgonenel, Okan (Ieee, 2007)In this work it is aimed to detect transformer internal fault and magnetizing inrush currents by using independent component analysis (ICA). A laboratory transformer is used for real-time experiments to examine the suggested ... -
Diagnosis and Protection of Stator Faults in Synchronous Generators Using Wavelet Transform
Khan, M. A. S. K.; Ozgonenel, Okan; Rahman, M. Azizur (Ieee, 2007)This paper presents a novel application of wavelet transform for the diagnosis and protection of stator faults in synchronous generators. The instantaneous powers of the wavelet packet transformed coefficients (a) of line ... -
DISCRETE WAVELET TRANSFORM BASED APPROACH for CURRENT TRANSFORMER SATURATION PROBLEM
Ozgonenel, Okan; Kilic, Erdal; Terzi, Uemit K. (Ieee, 2009)This work is about the possible effects of protection devices and schemes during current transformer saturation. If current transformer specifications are not selected properly, saturation may occur and affect relay response ... -
Electrostatic Analysis of SF6 Gas Insulated Distribution Transformer
Ozgonenel, Okan; Font, Aytug; Ilhan, Suat (Ieee, 2016)In recent years, environmental awareness has been a great concern, and even governments have sometimes been under pressure to comply with bilateral agreements. Mineral oil is one of the most harmful pollutants if it ... -
Estimation of Online Transmission Line Parameters and Fault Location by Using Different Differential Equation Algorithms
Yildiz, Dogan; Karagol, Serap; Ozgonenel, Okan (Ieee, 2015)Differential Equation Algorithm (DEA), which is used as an alternative method to Fourier and similar algorithms, is among the online parameter estimation algorithms used in transmission line protection. Pi or T equivalent ... -
Fault Detection in Induction Motors with Independent Component Analysis (ICA)
Guney, Irfan; Kilic, Erdal; Ozgonenel, Okan; Ulutas, Mustafa; Karadeniz, Erol (Ieee, 2009)In this study, the aim is to detect an induction motor's winding faults by using independent component analysis (ICA). Many laboratory experiments have been done on an induction motor to check the performance of the proposed ... -
Fault identification in induction motors with RBF neural network based on dynamical PCA
Kilic, Erdal; Ozgonenel, Okan; Ozdernir, Ali Ekber (Ieee, 2007)Early detection and diagnosis of incipient faults is desirable for on-line condition assessment, product quality assurance and improved efficiency of induction motors running off power supply mains. In the applications of ... -
Fault identification in transformers through a fuzzy discrete event system approach
Kilic, Erdal; Ozgonenel, Okan; Ulutas, Mustafa (Ieee, Electron Devices Soc & Reliability Group, 2007)A new fault detection and identification (FDI) scheme for transformer faults are suggested in this paper. The new method is based on fuzzy discrete event, from now FDES, composed from between a transformer's measured outputs ... -
Heavy metal removal with pure and biochar rice husks: modelling and optimisation using Box-Behnken design
Temel, Fulya Aydin; Turan, Nurdan Gamze; Ozgonenel, Okan; Ardali, Yuksel (Inderscience Enterprises Ltd, 2018)In this work, the most common heavy metals such as Cu (II), Zn (II), and Pb (II) removal from aqueous leachate of industrial waste were investigated using pure and biochar rice husks. The influence of such parameters as ... -
A hybrid approach for power quality monitoring
Ozgonenel, Okan; Terzi, Umit Kemalettin; Khan, Abdesh (Tubitak Scientific & Technical Research Council Turkey, 2012)This paper presents a novel hybrid approach for detection of power quality (PQ) disturbances. The proposed hybrid algorithm is based on applications of principle component analysis, discrete wavelet transform, and fast ... -
A Hyperbolic Location Algorithm for Various Distributions of a Wireless Sensor Network
Yildiz, Dogan; Karagol, Serap; Ozgonenel, Okan (Ieee, 2017)Intersection of hyperbolic curves defined by the Time Difference of Arrival (TDOA) is often used in Wireless Sensor Networks (WSNs) to estimate the location of sensors. This paper proposes a new algorithm of this type. The ... -
Identification of transformer internal faults by using an RBF network based on dynamical principle component analysis
Ozgonenel, Okan; Kilic, Erdal; Thomas, David; Ozdemir, Ali Ekber (Ieee, 2007)In this paper; a method is proposed to detect and identify parameter faults in nonlinear dynamical systems. The approach is based on the principal component analysis (PCA) and artificial neural networks (ANNs) based on ...
