Browsing by Author "Çelik, D."

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Development of EV Charging Topologies and Communication Protocols for Resilient Grid Integration and V2X Applications in Sustainable Energy Systems
(Elsevier Ltd, 2025) Khan, M.A.; Çelik, D.; Waseem, M.; Meral, M.E.
The global shift towards eco-friendly refuelling infrastructure, driven by the electrification of vehicles, has catalyzed extensive research and development to enhance electric vehicle (EV) charging stations for cleaner production, sustainable development, and overall sustainability. Energy storage systems (ESSs) are pivotal in this transition, essential for harmonizing power generation and consumption, especially with the growing integration of renewable energy sources, smart technologies, and long-range EVs. By fostering synergies between transportation systems and electricity networks, these advancements are instrumental in advancing a net-zero energy system, promoting greater sustainability and energy efficiency. Power electronics converters (PECs) and their associated controls and optimizations are crucial for enhancing the value of battery ESSs by providing efficient and cost-effective technologies. This comprehensive review explores various papers and technical reports focused on EV charging topologies and methodologies, dissecting their benefits and analysing the challenges of PEC topologies, EV charging infrastructures, EV standards and protocols, and grid ancillary services, as well as providing a detailed analysis of diverse charging scenarios. Motivated by the potential of PECs and ESSs to enhance the efficiency and cost-effectiveness of EV charging for cleaner production, this paper comprehensively reviews existing literature and technical reports. Challenges and suggestions are centred around the impact of electric vehicle grid integration (EVGI) on the power grid, along with an exploration of the challenges and prospects for future EVGI development trends and EV charging technologies. Furthermore, the paper delves into the technical aspects, issues, and ongoing progress of state-of-the-art charging methods and control strategies in the EV charging system. The challenges and recommendations presented in this paper are closely aligned with the latest available technologies, encompassing academic research contributions and real-world EV charging station projects operational across the globe, all aimed at advancing cleaner production, sustainable development, and overall sustainability in the transport sector. © 2025 The Author(s)
The Opportunities and Challenges of Digital Technologies in Energy Systems To Reduce Ghg Emissions
(Springer Nature, 2025) Dinçbaş, T.; Kuzu, A.; Ergeneli, A.; Çelik, D.
Since the problems caused by the global climate crisis threaten the lives of all kinds of living creatures, it has brought to the agenda the need to reduce the greenhouse gas emissions that cause it as quickly as possible. Reports published by international organizations and researchers draw attention to the urgent need to use renewable energy sources instead of fossil fuels in energy systems and digital technologies to ensure energy efficiency and control to reduce greenhouse gas emissions. Emphasizing the necessity of using digital technologies in energy systems by highlighting their impact on reducing greenhouse gas emissions causes digital technologies to be the leading actor in solving the global climate crisis. On the other hand, studies show that digital technologies have more challenges than expected. However, these studies, which are few, do not attract enough attention. Being aware that digital technologies in energy systems provide challenges and opportunities will lead to more rational investments in digital technologies. Therefore, this study aims to review articles that evaluate the opportunities and challenges provided by digital technologies in energy systems and contribute to the literature by presenting a survey that examines them together. For this reason, 21 current studies examined and determined that challenges should be taken seriously in addition to the opportunities provided by digital technologies. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.
Trends and Developments of Electric Vehicles: Current State and Future Perspectives
(Springer Science and Business Media Deutschland GmbH, 2024) Çelik, D.
Increasing transport electrification results in more charging stations with outstanding impacts on the electricity networks. Therefore, various charging approaches as well as grid integration strategies are being enhanced to reduce the adverse impacts of EV charging and to promote the profits of EV grid integration. Maximizing the advantages of EVs with smart charging infrastructure, distributed generators, and reliable communication systems is critical to measuring effects on the electrical grid. With the increasing importance given to this area, this paper addresses the current EV status and investigates an extensive overview on significant international EV charging and grid interconnection standards. The characteristics of the EV technologies are investigated and discussed. The main charging techniques, battery technologies, and charging standards are overviewed and discussed. Some results based on registrations of the EVs, battery demand, and electric cars including battery electric vehicles (BEVs), fuel cell electric vehicles (FCEVs), and plug-in hybrid electric vehicles (PHEVs) are analyzed and examined. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024