Filters








435 Hits in 8.1 sec

Software-Based Wireless Power Transfer Platform for Various Power Control Experiments

Sun-Han Hwang, Chung Kang, Yong-Ho Son, Byung-Jun Jang
2015 Energies  
Our platform is based on a loosely coupled planar wireless power transfer circuit that uses a class-E power amplifier.  ...  In this paper, we present the design and evaluation of a software-based wireless power transfer platform that enables the development of a prototype involving various open-and closed-loop power control  ...  The upper circuit part is a loosely coupled planar wireless power transfer circuit constructed using the class-E power amplifier via inductive coupling.  ... 
doi:10.3390/en8087677 fatcat:yahkiap3fvhcjkldo6a27rgm54

Resonant full-bridge synchronous rectifier utilizing 15 V GaN transistors for wireless power transfer applications following AirFuel standard operating at 6.78 MHz

Christopher Have Kiaerskou Jensen, Frederik Monrad Spliid, Jens Christian Hertel, Yasser Nour, Tiberiu-Gabriel Zsurzsan, Arnold Knott
2018 2018 IEEE Applied Power Electronics Conference and Exposition (APEC)  
After analyzing adequate Class-DE rectifier topologies, a Class-DE full-bridge 5 W rectifier using 15 V GaN transistors are designed and implemented.  ...  The experimental results show an efficiency above 80 % over a wide operating range and a peak efficiency of 89 %, at an arbitrary alignment of Tx and Rx coils with 3 cm distance between them.  ...  Together with an EPC transmitter base station, the receiver was implemented in a wireless power transfer system. The efficiency of the rectifier circuit is well above 80 % over a wide load range.  ... 
doi:10.1109/apec.2018.8341548 fatcat:tnrf6r5u7nfrxcesvniyihgpyq

Resonant Full-Bridge Synchronous Rectifier Utilizing 15V Gan Transistors For Wireless Power Transfer Applications Following Airfuel Standard Operating At 6.78Mhz

Christopher Have Kiaerskou Jensen, Frederik Monrad Spliid, Jens Christian Hertel
2018 Zenodo  
After analyzing adequate Class-DE rectifier topologies, a Class-DE full-bridge 5 W rectifier using 15 V GaN transistors are designed and implemented.  ...  The experimental results show an efficiency above 80 % over a wide operating range and a peak efficiency of 89 %, at an arbitrary alignment of Tx and Rx coils with 3 cm distance between them.  ...  Together with an EPC transmitter base station, the receiver was implemented in a wireless power transfer system. The efficiency of the rectifier circuit is well above 80 % over a wide load range.  ... 
doi:10.5281/zenodo.1220263 fatcat:2jovaebdr5bixeouzumjp4bq3e

Characterisation of High Frequency Inductive Power Transfer Receivers Using Pattern Recognition on the Transmit Side Waveforms

Juan M. Arteaga, Lingxin Lan, Christopher H. Kwan, David C. Yates, Paul D. Mitcheson
2020 2020 IEEE Applied Power Electronics Conference and Exposition (APEC)  
This paper demonstrates the characterisation of inductively coupled receivers for high frequency inductive power transfer (HF-IPT) systems using pattern recognition on the inverter waveforms at the transmit  ...  Experimental results, using a 13.56 MHz 100 W inductive power transfer system, were obtained for a full-wave Class D rectifier using silicon (Si) and silicon carbide (SiC) Schottky diodes, and two Class  ...  George Kkelis for the design of the Class E rectifiers, and the following funding sources: Department of Electrical and Electronic Engineering, Imperial College London; PINN Programme, Ministry of Science  ... 
doi:10.1109/apec39645.2020.9124398 fatcat:32jyzurgjzhmjovwfwwpd7p56y

A review on high frequency resonant inverter technologies for wireless power transfer using magnetic resonance coupling

Mohammad Kamar Uddin, Gobbi Ramasamy, Saad Mekhilef, K. Ramar, Yew-Choy Lau
2014 2014 IEEE Conference on Energy Conversion (CENCON)  
Among different resonant inverter topology, class E and its variant have shown the potentiality in this type of WPT system due to its circuit simplicity, efficient high frequency operation by zero voltage  ...  Keywords-wirelss power transfer, DC-AC power conversion, class E inverter, high frequency resonant inverter, zero voltage switching (ZVS) 978-1-4799-4848-2/14/$31.00 ©2014 IEEE  ...  In [26 -27] class E and class DE resonant inverter have been proposed which can be used with MRCWPT system.  ... 
doi:10.1109/cencon.2014.6967539 fatcat:ylsxioo4jrgo3hbjjsjprz4npe

8-Plate Multi-Resonant Coupling Using a Class-E2 Power Converter for Misalignments in Capacitive Wireless Power Transfer

Yashwanth Bezawada, Shirshak K. Dhali
2022 Electronics  
Misalignment is a common issue in wireless power transfer systems.  ...  This work proposes a novel capacitive wireless power transfer (CPT) using an 8-plate multi-resonant capacitive coupling to minimize the effect of misalignments.  ...  Class E Power Amplifier Design and Optimization for the Capacitive Coupled Wireless Power Transfer System in Biomedical Implants. Energies 2017, 10, 1409. [CrossRef] 31.  ... 
doi:10.3390/electronics11040635 fatcat:izcj4vwnobfj5oxeidjzailot4

Wireless Power Transfer Near-field Technologies for Unmanned Aerial Vehicles (UAVs): A Review

Anh Le, Linh Truong, Toan Quyen, Cuong Nguyen, Minh Nguyen
2020 EAI Endorsed Transactions on Industrial Networks and Intelligent Systems  
Wireless power transfer (WPT) techniques are being popular currently with the development of midrange wireless powering and charging technology to gradually substitute the need for wired devices during  ...  The charging distances, the transfer efficiency, and transfer power, etc. are considered to provide an overview of all common problems in using and charging UAVs, especially for autonomous landing and  ...  In [98] , by adding more class-DE rectifier as a receiver and designing the specification for self-inductance, resistances, the system achieved a better result at 73% overall efficiency or 9.87 W (50  ... 
doi:10.4108/eai.31-1-2020.162831 fatcat:slwlfufwyfaabkdbxlqmjbevri

Wireless Power Week

2019 2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)  
WPTC Session 7 -Capacitive and Inductive WPT Kelvin Lecture Theatre Chairs: Pablo Pérez-Nicoli, Giuseppina Monti 10:25 High Efficient Wireless Power Transfer System for AUV with Multiple Coils  ...  Transfer Through the Inductive and Capacitive Coupling Region of a Transmitter Yen Po Wang 1 , Reo Kometani 1 , Shin'ichi Warisawa 1 1 University of Tokyo, Japan WPP31 Parallel Resonant Inductive Wireless  ... 
doi:10.1109/wow45936.2019.9030628 fatcat:74plihuuujav5eetvat5bg6iyu

Wireless Power Week

2019 2019 IEEE Wireless Power Transfer Conference (WPTC)  
WPTC Session 7 -Capacitive and Inductive WPT Kelvin Lecture Theatre Chairs: Pablo Pérez-Nicoli, Giuseppina Monti 10:25 High Efficient Wireless Power Transfer System for AUV with Multiple Coils  ...  Transfer Through the Inductive and Capacitive Coupling Region of a Transmitter Yen Po Wang 1 , Reo Kometani 1 , Shin'ichi Warisawa 1 1 University of Tokyo, Japan WPP31 Parallel Resonant Inductive Wireless  ... 
doi:10.1109/wptc45513.2019.9055557 fatcat:eqnzgb5wbnhi3di6ieqk4sgj4y

eGaN FETs in Low Power Wireless Energy Converters

M. A. de Rooij, J. T. Strydom
2013 ECS Transactions  
Most of the wireless power solutions have focused on tight coupling with induction coil solutions at operating frequencies around 200 kHz, and Class E, F and S amplifier converter topologies.  ...  A rectifier with high frequency filtering. To understand and design a wireless energy system, one must first understand the basic principle of operation of the transmit and receive induction coils.  ...  Acknowledgments EPC hereby acknowledges WiTricty Corp. who designed and supplied the transmitter and receiver coils, matching network for the coils and for their design support during the project.  ... 
doi:10.1149/05003.0377ecst fatcat:g3k4dalhbrcmbp3ay5aofy7f2u

A Review of Methods and Challenges for Improvement in Efficiency and Distance for Wireless Power Transfer Applications

Sokol Kuka, Kai Ni, Mohammed Alkahtani
2020 Power Electronics and Drives  
This review is focused on two fundamental aspects: the power efficiency and the transmission distance in WPT systems.  ...  Over the past few years, interest and research in wireless power transfer (WPT) have been rapidly incrementing, and as an effect, this is a remarkable technology in many electronic devices, electric vehicles  ...  There are several types typically used DC-AC power inverters such as classes A, B, AB, C, D (precisely DE) and E adopted in the megahertz frequency range.  ... 
doi:10.2478/pead-2020-0001 fatcat:l5ffb76bpnc27enrbckdcxhhhm

Simultaneously tuning and powering multiple wirelessly powered devices

Benjamin H. Waters, Peter R. Fidelman, Jeffrey D. Raines, Joshua R. Smith
2015 2015 IEEE Wireless Power Transfer Conference (WPTC)  
This paper provides an overview of a complete wireless power transfer system that is capable of automatically tuning, communicating with, and efficiently powering multiple single-cell battery charging  ...  However if the devices are not all the same size or if they require different amounts of power, these existing standards may be incapable of charging multiple devices efficiently.  ...  Although class-E amplifiers can achieve high efficiency, the downside is that they are typically designed to be most efficient at a single operating point in terms of power level, load impedance and operating  ... 
doi:10.1109/wpt.2015.7140177 fatcat:s52bb3mkgfdf5l47zgzayfnxny

Wireless Power Transmission: R&D Activities Within Europe

Nuno Borges Carvalho, Apostolos Georgiadis, Alessandra Costanzo, Hendrik Rogier, Ana Collado, Jose Angel Garcia, Stepan Lucyszyn, Paolo Mezzanotte, Jan Kracek, Diego Masotti, Alirio J. Soares Boaventura, Maria de las Nieves Ruiz Lavin (+5 others)
2014 IEEE transactions on microwave theory and techniques  
Efficient WPT circuits, systems and strategies can address a large group of applications spanning from batteryless systems, batteryfree sensors, passive RF identification, near-field communications, and  ...  disciplinary team in order to achieve an efficient transmission of power over the air interface.  ...  ACKNOWLEDGMENT The authors would like to acknowledge EU COST Action IC1301 Wireless Power Transmission for Sustainable Electronics.  ... 
doi:10.1109/tmtt.2014.2303420 fatcat:kim2pyaegndrthovf2cok3bb3i

Performance Evaluation of Silicon and GaN Switches for a Small Wireless Power Transfer System

Demetrio Iero, Riccardo Carotenuto, Massimo Merenda, Fortunato Pezzimenti, Francesco Giuseppe Della Corte
2022 Energies  
the overall efficiency of the system.  ...  Different standards have been developed over the years but a significant part of the global interest is focused on the inductive resonant wireless power transfer.  ...  Wireless power transfer efficiency (a), and the output power (b) for a WPT system with L T = L R = 1 µH, R T = R R = 0.6 Ω, V S = 12 V, at a resonant frequency of 1 MHz, for different loads and coupling  ... 
doi:10.3390/en15093029 fatcat:erquts6iy5fn7lu2ajaffbdeta

Power Transmitter Design for Underwater WPT

Miguel Silva, Candido Duarte, Francisco Goncalves, Vasco Correia, Luis Pessoa
2019 OCEANS 2019 - Marseille  
The design makes use of the impedance of load and resonant coupling coils to establish class-DE conditions in a full-bridge inverter.  ...  The present work addresses the development of a power inverter, specifically designed for underwater wireless power transfer (WPT) by means of magnetic resonant coupling, having salt water as the transmission  ...  ACKNOWLEDGMENT The authors acknowledge the assistance and resources made available by TEC4SEA in support of this work.  ... 
doi:10.1109/oceanse.2019.8867459 fatcat:sppfftgdyfduper26gcrm4kcjm
« Previous Showing results 1 — 15 out of 435 results