Browsing Elektrik-Elektronik Mühendisliği-Makale Koleksiyonu by Category "Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı"
Now showing items 1-20 of 70
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Accuracy assessment of frequency-domain models for harmonic analysis of residential type photovoltaic-distributed generation units
(Pergamon-Elsevier Science Ltd, 2022)Since Photovoltaic-Based Distributed Generation Units (PV-DGUs) have power electronic interfaces for their grid integration, they can cause harmonic pollution in the system. Thus, the harmonic analysis is required to ... -
An algorithm for estimating derating of induction motors supplied with under/over unbalanced voltages using response surface methodology
(Inst Engineering Technology-Iet, 2017)One of the adverse effects of unbalanced three-phase voltages on the induction motors (IMs) is overheating of the windings. The IMs should be loaded at less than their rated power in case of unbalanced supply voltages to ... -
Analysis of lightning impulse voltage distribution for a dry-type transformer using three different winding types
(Elsevier Sci Sa, 2020)In this study, simulation and test results for lightning impulse voltage distribution in a dry-type transformer were compared for three different winding methods by using round, flat, and strip conductors. Distribution of ... -
Bb-bc, pso and imo algorithms for economic dispatch problem of wind-thermal power plants
(Gazi Üniv, 2016)In this study, for examining the effect of wind power systems on energy systems, three new heuristic methods were compared to solve economic dispach problem of wind-thermal (hybrid) plants. These three heuristic algorithms ... -
A circuit model-based analysis of magnetically coupled resonant loops in wireless power transfer systems
(Istanbul Univ, 2018)Magnetically coupled resonant loops can be represented by a lumped element circuit model. Each parameter in the lumped element model can be expressed as a function of loop geometry and the separation between the loops; ... -
Cogging torque reduction by optimal design of PM synchronous generator for wind turbines
(Pergamon-Elsevier Science Ltd, 2017)In this study, design and optimization of a surface-mounted permanent magnet synchronous generator (PMSG) have been carried out for use in low power wind turbines. In the successive optimization steps based upon the ... -
A comparative analysis of partial discharge in 13 combined insulation structures of 11 materials used in cast-resin dry-type transformers
(IEEE-Inst Electrical Electronics Engineers Inc, 2022)Partial discharge (PD) in cast-resin dry-type transformers (CRDTs) is an important issue that needs to be overcome. In this study, PD in insulation materials used in CRDT windings is investigated. Four types of samples ... -
Comparative evaluation of common passive filter types regarding maximization of transformer's loading capability under non -sinusoidal conditions
(Elsevier Science Sa., 2018)This study aims to comparatively evaluate the widely known five passive harmonic filters as single-tuned, double-tuned, triple-tuned, damped-double tuned and C-type ones by regarding their contribution on the loading ... -
Conformable fractional order controller design and implementation for per-phase voltage regulation of three-phase SEIG under unbalanced load
(Taylor & Francis Inc, 2022)Self-excited induction generators (SEIGs) usage is an effective way to generate electrical power in off-grid locations. This study aims to performance improvement for voltage regulation of the SEIG in wind turbine ... -
Conformable fractional order controller design and optimization for sensorless control of induction motor
(Emerald Group Publishing Ltd, 2022)Purpose In recent years, use of sensorless control methods for electrical motor-based variable speed drive systems has been increasing rapidly to compensate the increasing costs in industrial systems. Also, use of induction ... -
A cross-shape coil structure for use in wireless power applications
(MDPI AG, 2018)This paper presents a novel coil structure employing two parallel-connected subunit rectangular coils. The structure is based on the fact that the rectangular coils are less sensitive to misalignment along its longer side. ... -
A cross-shape coil structure for use in wireless power applications
(MDPI, 2018)This paper presents a novel coil structure employing two parallel-connected subunit rectangular coils. The structure is based on the fact that the rectangular coils are less sensitive to misalignment along its longer side. ... -
Dağıtım sistemlerinde kullanılan sis tipi VHD35 pin izolatörün sonlu elemanlar yöntemi temelli kısmi deşarj analizi
(Gazi Univ, 2021)Bu çalışmada, ülkemizde dağıtım sistemlerinde sıklıkla kullanılan VHD-35 pin tipi izolatörler için sahada kısmi deşarj oluşumları tespit edildikten sonra, sis tipi VHD-35 izolatörün elektrik alan değişimleri dikkate ... -
Design and implementation of fault tolerant fractional order controllers for the output power of self-excited induction generator
(Springer, 2021)In this paper, a static volt-ampere-reactive compensator (SVC) composed of fxed capacitor-thyristor controlled reactor (FCTCR) is employed to regulate the terminal voltage of self-excited induction generator (SEIG) in the ... -
Design of a multi-channel quartz crystal microbalance data acquisition system
(IOP Publishing, 2018)In this study a multi-channel data acquisition system has been designed, by which mass changes in small quantities can be monitored and recorded by means of a quartz crystal microbalance (QCM) technique. The whole system ... -
Design of induction motor speed observer based on long short-term memory
(Springer London Ltd, 2022)This paper presents a machine learning regression algorithm based on speed estimation for sensorless control of an induction motor. Long short-term memory (LSTM) based on deep learning method is used to design the induction ... -
Detection and imaging of underground objects for distinguishing explosives by using a fluxgate sensor array
(MDPI, 2019)Active and passive techniques are two different techniques with which to detect buried explosives. In practice, the most preferred active method works by broadcasting a signal underground. This signal may stimulate the ... -
Detection, identification, and direction of arrival estimation of drone fhss signals with uniform linear antenna array
(IEEE-Inst Electrical Electronics Engineers Inc, 2021)Safety, security, and privacy are three critical concerns affiliated with the use of drones in everyday life. Considering their ever-shrinking sizes and capabilities, being aware of drone activities in the vicinity becomes ... -
Determining the effect of velocity on sensor selection and position in non-destructive testing with magnetic flux leakage method: a pipe inspection gauge design study with Ansys Maxwell
(IEEE- Inst Electrical Electronics Engineers Inc, 2023)The magnetic flux leakage (MFL) method, which is among the non-destructive testing (NDT) methods, is frequently used in the determination of discontinuity in ferromagnetic materials. The method focuses on the detection of ... -
Development of a photovoltaic panel emulator and LabVIEW-based application platform
(Wiley, 2020)In this study, a photovoltaic (PV) panel emulator was developed based on a single diode model of a PV cell, and four prototypes of this kind emulator have been produced. In addition, an electronic potentiometer and a central ...
