Browsing Elektrik-Elektronik Mühendisliği-Makale Koleksiyonu by Language "eng"
Now showing items 1-20 of 95
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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 ... -
Application of a novel synergetic observer for PMSM in electrical vehicle
(Springer, 2024)This work aims to design a simple and powerful optimal observer for electric vehicles (EV) propelled by permanent magnet synchronous motor (PMSM) using synergetic theory. The development of suggested synergetic observer ... -
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 ... -
Comparison of PID and SMC methods in DC motor speed control
(IOSR, 2016)DC motor speed control was carried out in this study using Proportional Integral Derivative (PID) and Sliding Mode Control (SMC) methods. Disturbance is added to and removed from the motor shaft for short periods using ... -
Comprehensive review of studies on metamorphic rocks
(Scientific Research Publishing, 2023)Marble is a metamorphic rock, which is one of the 3 basic rock types (magmatic, sedimentary, metamorphic) forming the earth’s crust. The major characteristic sought after in a rock mass in the field for it to be exportable ... -
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 ... -
Conformable fractional order PI controller design and optimization for permanent magnet synchronous motor speed tracking system
(Düzce Üniversitesi Fen Bilimleri Enstitüsü, 2021)The use of permanent magnet synchronous motor (PMSM) is increasing rapidly to meet the need to increase efficiency in variable speed drive systems used in the industry, in recent years. This paper aims to improve the speed ... -
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. ... -
A current resolution for fast measurement of power resolutions in non sinusoidal single phase systems
(2011)In this paper, a new current decomposition is proposed for effective and fast measurement of the power resolutions defined by Fryze, Shepherd & Zakikhani, Sharon, Kusters & Moore and Czarnecki. The complexity analysis shows ... -
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 ...
