Browsing by Author "Poyrazoğlu, Göktürk"
Now showing items 61-76 of 76
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Quasi-resonant circuitry to improve heat transfer and efficiency in induction cooker
Küçükosman, Hüseyin; Poyrazoğlu, Göktürk (IEEE, 2021)This paper proposes a dual-mode coil structure for induction cookers using a single switching element quasi-resonant circuit and examines its effect on heating performance. In an induction cooker, the material base to be ... -
Real data oriented quantitative research on the deployment of electric vehicle chargers in the distribution network
It is very evident that the number of electric vehicles worldwide will increase and that the dominant mobility concept in the future will be at the center of EVs. As a requirement of e-mobility, EVs should be rechargeable ... -
Reassessment of bill management by batteries with various TOU tariffs: A pilot project from Turkey
Çetin, A.; Sancar, Semanur; Bayatmakoo, A.; Kaya, K.; Ozen, C.; Poyrazoğlu, Göktürk (IEEE, 2022)Yesilirmak Distribution System Operator, one of Turkey's leading distribution system operators, carried out a pilot project with the support of the university in order to be technically ready when its customers want to ... -
Rethinking temporal demand data to reduce distribution transformer losses: A case study from a Turkish DSO
Sancar, Semanur; Kartci, Emin; Poyrazoğlu, Göktürk (IEEE, 2021)With the increase in digital measurement and monitoring devices in the Turkish electricity grid, the possibilities of processing the obtained data and revealing meaningful information are also increasing. In this project, ... -
Revisiting network reconfiguration in the era of unpredictable ev charger integration
Tekeler, Eren; Poyrazoğlu, Göktürk (IEEE, 2023)An expanded network of electric vehicle (EV) chargers is required due to the rapid uptake of EVs. The voltage profile may be disturbed by the unanticipated integration of these chargers into distribution networks, potentially ... -
A robust voltage control method for universal ev battery charge llc resonant converters
In this study, a novel control method for LLC resonant converter with wide output voltage range and constant switching frequency is proposed targeting wide range of Electric Vehicle (EV) battery charger standards. In ... -
Safety test procedures, standards and results for Electric Bike Battery
Recently, battery project studies have been increasing worldwide. Companies carrying out these projects must have their products checked for design safety and must obtain test approval reports in order to release their ... -
Safety test setup installation for e-bike battery systems
Savrum, Mert; Poyrazoğlu, Göktürk (IEEE, 2022)Recently, battery project studies have been increasing worldwide. Companies carrying out these projects must have their products checked for design safety and must obtain test approval reports in order to release their ... -
Slim design of LLC resonant converter for OLED TV by using toroidal transformer
Kurt, Samet; Poyrazoğlu, Göktürk (IEEE, 2021)LLC resonant converter is used widely in the application of consumer electronics, battery charging, automotive, etc. due to its popularity and ease of control; however, its large footprint size makes it difficult to use ... -
State of charge estimation for lithium-based batteries
Çelik, Mert (2020-01)This thesis proposes a new State of Charge (SOC) estimation method for lithiumbased batteries, which o ers a good trade-o between convergence and computation times. Lithium-based battery packages are quite common in the ... -
A stochastic simulation for a hybrid system of solar panels and EV chargers
Hasdemir, Berke Can; Açıkgöz, Dilber; Poyrazoğlu, Göktürk (IEEE, 2020-10-20)In line with the increasing number of electric vehicles, a stochastic approach that simulates the charging stations which is managed hybridlike system of a solar array is discussed in this study. A smart charging system ... -
A stochastic value estimation tool for electric vehicle charging points
Poyrazoğlu, Göktürk; Göktürk, Elvin Çoban (Elsevier, 2021-07-15)A stochastic value estimation tool serves as a planning tool with embedded modules for electrical and financial valuation of electric vehicle charging points. The tool is developed in stochastic nature for selected service ... -
Theory and experiment of a non-radiative wireless power transfer method for a lane moving robot
Today, the usage of robots is growing in the warehouses for automated organizing of goods and in the field for harvesting foods and other agriculture tasks. Many big resellers use robots in their distribution warehouses ... -
The time-lag effect of natural gas prices on electricity prices in turkiye: an analysis of the post-pandemic market
Özmen, Betül Elif; Poyrazoğlu, Göktürk (IEEE, 2023)This study investigates the relationship between natural gas and electricity prices in Turkiye, one of the countries affected by sudden increases in natural gas prices after the pandemic and regional conflicts. Turkiye ... -
V2G applicable electric vehicle chargers, power converters & their controllers: A review
Şahinler, Görkem Berk; Poyrazoğlu, Göktürk (IEEE, 2020-05-27)This paper aims to present various grid-connected electric vehicle (EV) charger topologies with battery technologies and power electronics converters utilized in bidirectional EV chargers including DC/DC synchronous buck ... -
A wireless power transfer method for electric vehicles by synchronization to secondary resonance
Çeşmeci, Mete; Poyrazoğlu, Göktürk (IEEE, 2021)In this study, an alternative method and framework for a wireless power transfer system to a moving object such as an electric vehicle or a robot are presented. The well-known systems and their common series-connected/switched ...
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