Browsing Faculty of Engineering by Author "Poyrazoğlu, Göktürk"
Now showing items 21-40 of 53
-
Impact of natural gas price on electricity price forecasting in Turkish day-ahead market
Poyrazoğlu, O. G.; Poyrazoğlu, Göktürk (IEEE, 2019-06)The electricity is a regular commodity that is being sold and bought in a highly transparent and efficient market in Turkey. The market is operated by EXIST and an hourly energy price is formed for every hour in the day-ahead ... -
Impact of solar hosting capacity on distribution transformer efficiency
Aydın, Beyzanur; Poyrazoğlu, Göktürk (IEEE, 2022)Today, with the increasing electricity demand, the tendency to use renewable resources such as solar photovoltaics is increasing. However, this type of renewable energy brings some challenges if the electricity demand is ... -
Improved LNB power circuit design for enhanced reliability by current limiting control
Şahin, C.; Poyrazoğlu, Göktürk; Yilmazlar, İ. (IEEE, 2023)Low Noise Block (LNB) circuits are an essential component of satellite receiving systems in televisions. LNB converts high-frequency satellite signals into a lower frequency range for transmission to the receiver. Also, ... -
In-vehicle qi-compliant inductive wireless charging solutions: A review
Güvercin, Ezgi; Poyrazoğlu, Göktürk (IEEE, 2023)In-vehicle wireless charging systems are becoming increasingly popular in modern vehicles, providing a convenient and efficient way to recharge electronic devices while on the move. This article aims to provide an overview ... -
Induction motor simulink implementation of the rotor flux oriented direct vector control method for electric vehicles
Demircioğlu, İlayda; Poyrazoğlu, Göktürk (IEEE, 2021)This study aims to perform mathematical modeling of asynchronous motor and simulation of the rotor flux-oriented vector control method on a user-friendly platform. Besides, the obtained model is created as a PhiSim library, ... -
Industrial implementation of a smart controller for electric vehicle chargers
İlhan, T.; Poyrazoğlu, Göktürk (IEEE, 2019-06)Number of electric vehicles is increasing day by day. Many users have home chargers to charge their vehicles. Nowadays, remote control of chargers by mobile applications is getting more attention. So this project aims to ... -
Insights for the next solar eclipse in Turkish grid with increased solar capacity
Yılmaz, H.; Kol, Şevval Sinem; Poyrazoğlu, Göktürk (IEEE, 2023)Solar panels are critical to future electricity generation, particularly as we transition from conventional to sustainable methods. While engineering applications can help address the disadvantages of solar panels in ... -
Load profile segmentation for electricity market settlement
Gunsay, M.; Bilir, C.; Poyrazoğlu, Göktürk (IEEE, 2020-09)An unsupervised learning method is used to create clusters for electricity load profiles within a group of real customers. A time-series analysis method (hierarchical clustering) is adopted. A case study is conducted with ... -
Modeling and simulation of three-phase bidirectional electric vehicle charger
Şahinler, Görkem Berk; Poyrazoğlu, Göktürk (IEEE, 2021)This paper aims to investigate how an electric vehicle (EV) charger with a controller performs and affects the EV battery, integrated into the grid. A bidirectional electric vehicle charging system is designed and modeled ... -
Multi-criteria decision model for the assessment of offshore wind energy potential of Tunisia
Zahmoul, Houda; El Sayed, Ahmad; Poyrazoğlu, Göktürk (IEEE, 2021-05-05)This paper investigates the potential for the development of offshore wind power plants in Tunisia. The goal of this research is to increase the possibility of using renewable energy available in the country and reduce the ... -
Optimal battery sizing & dispatch model for transformer loss reduction: A new local servicb
Sancar, Semanur; Kartcı, Emin; Poyrazoğlu, Göktürk (IEEE, 2022)The possible services of batteries are expanding within the scope of transforming electricity networks. In this study, the potential of batteries to increase transformer efficiency is revealed. It is aimed to maximize the ... -
Optimal battery sizing & dispatch model for transformer loss reduction: A new local service
Sancar, Semanur; Kartcı, Emin; Poyrazoğlu, Göktürk (IEEE, 2022)The possible services of batteries are expanding within the scope of transforming electricity networks. In this study, the potential of batteries to increase transformer efficiency is revealed. It is aimed to maximize the ... -
Optimal battery sizing in micro-grid by linear programming
Poyrazoğlu, Göktürk; Taşkıran, Burak Arda; Kayabölen, Naim (IEEE, 2020-10-20)Energy storage plays a crucial role in the micro-grid design in which no grid connection is possible. Although the cost of storage reduced in the past decade, it is still considerably high; thus, the optimization of the ... -
The optimal placement model for electric vehicle charging stations
Arayıcı, Kerem Can; Poyrazoğlu, Göktürk (IEEE, 2019)Nowadays, due to the increase in prices and the environmental pollution of fossil fuels, individuals and governments are tending towards the concept of electric vehicles. Therefore, the popularity of electric vehicles is ... -
Optimal vehicle-to-grid controller for energy arbitrage and frequency regulation markets
Kocer, Baki; Türkyılmaz, İsmail; Poyrazoğlu, Göktürk (IEEE, 2021)Vehicle-to-Grid (V2G) is a technology that is both beneficial for electric vehicle users and the sustainability of the world. Drivers plug their vehicles into the charging station and V2G technology provides bidirectional ... -
Optimizing distributed generation sizing and siting using particle swarm optimization: A comparative study
Ahmed, Eıhab Elgaıly Elmukshfı; Poyrazoğlu, Göktürk (IEEE, 2023)In recent years, distributed generation (DG) has become increasingly popular as a means of mitigating the impact of climate change and ensuring a reliable and resilient power supply. To optimize the use of DG, it is essential ... -
A pilot project for power quality improvements in distribution system by a Li-ion battery
Çetin, A.; Ozen, C.; Bayatmakoo, A.; Kaya, K.; Poyrazoğlu, Göktürk (IEEE, 2022)Power quality (PQ) metrics deterioration occurs in the distribution system by increasing the distributed generation plants, the existence of non-linear and harmonic loads. As a distribution system operator running under ... -
A platform for personal e-mobility with route forecasting
Kaya, Kamil; Poyrazoğlu, Göktürk (IEEE, 2020)This study reports a new e-mobility platform to construct effective usage of charging points by electric vehicle users to eliminate long charge durations. The e-mobility platform includes such subsystems as smartphones, ... -
The potential and economic analysis of grid-connected solar PV power in Kenya
Samu, Remember; Poyrazoğlu, Göktürk; Fahrioglu, M. (IEEE, 2019-06)This present study is aimed at minimizing the dependence on fossil fuels thus reducing greenhouse gas (GHG) emissions and also to curb for the rising energy demands in Kenya. 23 locations are considered for their techno-economic ... -
Prediction algorithm & learner selection for European day-ahead electricity prices
Ülgen, Toygar; El Sayed, Ahmad; Poyrazoğlu, Göktürk (IEEE, 2020-10)The prediction of day-ahead electricity prices with higher accuracy is always helpful for the market players of the power exchange. This study was intended in the first place to find out the best time series prediction ...
Share this page