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Innovations and Challenges in Wireless Energy Transfer for Sustainable Development

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: closed (15 March 2026) | Viewed by 1010

Editors


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Guest Editor
Department of Electronics, Faculty of Electrical Engineering and Electronics, Technical University of Gabrovo, 4 H. Dimitar, 5300 Gabrovo, Bulgaria
Interests: inductive power transfer; dynamic matching; magnetic coupling; energy dosing; charging station

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Guest Editor
Faculty of Computer Systems and Technologies, Technical University of Sofia, 1000 Sofia, Bulgaria
Interests: artificial intelligence; electric vehicles; energy storage; mathematical modeling; control theory and applications; smart cities and smart grids; power electronic converters; power electronic systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wireless Energy Transfer (WET) is a rapidly evolving technology with the potential to revolutionize power delivery across various sectors, including renewable energy, electric vehicles, biomedical devices, and smart grids. As the world moves toward sustainable development, efficient and eco-friendly energy transmission is becoming a critical focus. This Special Issue seeks to explore innovations, challenges, and future directions in WET technologies that contribute to sustainability and energy efficiency.

Key topics include inductive, resonant, and radiative wireless power transfer (WPT); advancements in high-efficiency energy harvesting; integration with renewable energy sources; and applications in urban infrastructure and remote locations. Additionally, the Issue addresses technical challenges such as power loss, electromagnetic interference, system scalability, and safety concerns. Recent breakthroughs in high-frequency resonant circuits, metamaterials, and AI-driven optimization have significantly improved WPT performance.

However, key challenges remain, including efficiency limitations, regulatory constraints, and material sustainability. The transition to wireless smart grids, autonomous electric vehicle charging, and self-powered IoT networks presents exciting opportunities, yet requires overcoming technical and economic barriers. This Special Issue aims to provide a comprehensive overview of the latest research and innovations, fostering interdisciplinary collaboration to drive the future of wireless energy transfer for a greener, more sustainable world.

Prof. Dr. Nikolay Madzharov
Dr. Nikolay Hinov
Guest Editors

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Keywords

  • wireless energy transfer
  • wireless power transfer
  • high-efficiency energy harvesting
  • renewable integration
  • power loss
  • electromagnetic interference
  • system scalability
  • efficiency limitations
  • regulatory constraints
  • material sustainability

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Published Papers (1 paper)

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Research

21 pages, 6607 KB  
Article
Design and Experimental Validation of an Inductive Wireless Power Transfer Platform for Static EV Charging
by Nikolay Madzharov and Nikolay Hinov
Electronics 2026, 15(9), 1775; https://doi.org/10.3390/electronics15091775 - 22 Apr 2026
Viewed by 527
Abstract
This paper presents the design, prototype realization, and experimental validation of an inductive wireless power transfer (WPT) platform for static charging of electric vehicles. The study integrates magnetic-coupler design, resonant power-stage realization, and occupied-area magnetic-field assessment within a prototype-oriented engineering framework. The realized [...] Read more.
This paper presents the design, prototype realization, and experimental validation of an inductive wireless power transfer (WPT) platform for static charging of electric vehicles. The study integrates magnetic-coupler design, resonant power-stage realization, and occupied-area magnetic-field assessment within a prototype-oriented engineering framework. The realized Tx/Rx magnetic assembly has dimensions of approximately 700 × 800 × 60 mm per coil, an inductance of about 60 μH, a coupling factor of about 0.45, and estimated coil losses of around 2%. The proposed system belongs to the 35 kW class, while the realized prototype was experimentally validated at a nominal 30 kW operating level, with peak capability up to 45 kW for 1 min. Experimental evaluation was carried out for air gaps up to about 100 mm, with measured transfer efficiency in the range 80–92% and favorable operation around 30 kW and a vertical air gap of approximately 70 mm. Representative occupied-area magnetic-flux-density measurements remained below the adopted 27 μT reference level under the reported operating conditions. The results confirm the practical feasibility of the proposed static EV charging platform and support its engineering relevance for high-power inductive charging applications. Possible extension toward on-route charging is discussed only as future work. Full article
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