In view of the low transmission efficiency of the wireless charging system in current implantable cardiac pacemakers, this paper presents a new coil structure to achieve high efficiency transmission. The key to the design is to find the optimal radius ratio between the transmitting and receiving coils.
Read MoreModel-free controller design for wireless charging of electric vehicles. • Comparison of DQN, FLC and ANN-based controllers for WPT-HESS system. • Two-port
Read MoreAn example comes from the IDT P9261 reference design, a 15-W wireless charging transmitter aimed at vehicle passenger compartments. This circuit provides an energy efficiency exceeding 70% when output power exceeds 8 W and more than 60% efficiency for outputs between 8 and 5 W. Examining the sources of transmitter
Read MoreThis article provides an up-to-date overview of wireless charging technologies, coupler pad design, standards, and optimization strategies. First, the key qualities of an electric vehicle (EV) are explained. Wireless charging approaches and the kind of charging system that depends on vehicle location during charging have been described in detail. The many
Read MoreWireless power transfer (WPT) for portable electronic applications has been gaining a lot of interest over the past few decades. This study provides a comprehensive review of the recent advancements in WPT technology, along with the challenges faced in its practical implementation. The modeling and design of WPT systems, including the effect
Read MoreThe electric vehicle (EV) is charged using wireless power transfer technology. The model is built using MATLAB—Simulink software and the simulation
Read MoreThe term wireless charging has been around since well, Nikola Tesla attempted to demonstrate it in 1901. For nearly a century after, however, the technology was without many practical uses
Read MoreWireless EV charging: Everything you need to know about going cable-free. Far and away, the biggest headache of EV ownership is charging. Public chargers are often unreliable, slow, or simply not available where you need them. EV charging at home is much easier, but dragging a heavy, dirty cable across your garage or driveway is no fun.
Read MoreWireless power transfer (WPT) promises to be an alternative solution for secure and versatile charging of electric vehicles. However, some challenges still exist in this contactless technology, such as electromagnetic safety, low transmission efficiency and power capacity. A vast research literature focuses on improving the design and
Read MoreTo manage energy storage and distribution inside a vehicle, a hybrid energy storage system is proposed, consisting of a battery and supercapacitor modules actively
Read MoreSimulation and experimental results have demonstrated that the proposed system could obtain charging process for Li-Ion cells battery by the output power of 8 W, with the power efficiency exceeding of 77%. This paper proposes a design of power receiving side on capacitive coupling wireless power transfer for an unmanned aerial
Read MoreHybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage Article Full-text available
Read MoreIn this paper, a three dimensional multi-load wireless power transfer (WPT) system is designed and optimized for the sensor network which has the characteristics of large number, low power consumption, and wide spatial distribution. Firstly, a new structure of three-dimensional multi-load WPT system is proposed and its circuit
Read MoreVishay wireless charging receiving coils/shields and wireless charging transmitter coils/shields feature high permeability shielding and high-saturation powdered iron that is not affected by permanent locating magnets. All the parts are lead (Pb)-free and RoHS-compliant, and some are also AEC-Q200-qualified and Vishay Automotive Grade.
Read MoreThis paper focuses on the design a secondary side of CPT consisted of a rectifier, a DC-DC buck converter, and a charging circuit. The system is designed to operate with wide range input voltage. Simulation and experimental results have demonstrated that the proposed system could obtain charging process for Li-Ion cells battery by the output power of 8
Read MoreA near-field wireless power transfer (WPT) technology is applied to recharge the battery of a small size drone. The WPT technology is an extremely attractive solution to build an autonomous base station where the drone can land to wirelessly charge the battery without any human intervention. The innovative WPT design is based on the
Read MoreWPT is therefore highly compelling for EVs and can help increase the EV uptake. Over the past years, multiple reviews on WPT in general and on wireless charging for vehicles in specific have been published, covering a wide range of topics. Vaka and Keshri reported on the fundamentals of WPT for EV charging [25].
Read MoreThe energy storage requirement for a dynamic charging system depends primarily on the power required by the traction system of the EV and the rate of charging. Differences in power levels over a large time scale can be handled by the EV battery, whereas short duration power differences, prevalent in pulse charging, are best
Read MoreThe interoperability of electric vehicle wireless charging means that the same ground transmitter can match the receiving end of electric vehicles with different input power levels, different ground clearance and different circuit topologies for safe and efficient wireless charging. However, how to meet the optimal transmission efficiency in different input
Read MoreThis article presents a wireless power transfer topology based on inductive power transfer (IPT) with integrated supercapacitor (SC) energy storage. The proposed topology is suitable for dynamic charging of electric vehicles (EVs), where pulses of energy must be processed without placing excessive strain on the utility grid or the EV
Read MoreA wireless charging module (receiving coil and rectifier circuit) is integrated with an energy storage module (tandem Zn-ion supercapacitors), which can not only output DC voltage instantly but also supply power sustainably for an extended
Read MoreAbstract: Roadways with dynamic wireless charging systems (DWCS) enable charge-sustaining in-motion EV charging, which can reduce charging idle time while increasing range capabilities. Spatially distributed transmitter coils are controlled in response to traffic load that varies significantly minute to minute with high power levels, very short
Read Morereceiving rectenna with harmonic rejection property for wireless power 778 transmission," IEEE T rans. on Antennas Propag., vol. 62, 10, pp. 5242 779 – 5249, 2014. 780
Read MoreDC-DC converters play an indispensable role in converting the AC power from a high-frequency inverter to DC power to the battery or the energy storage system
Read MoreMicrodevice integrating energy storage with wireless charging could create opportunities for electronics design, such as moveable charging.
Read MoreDOI: 10.1109/ICSEEA.2017.8267698 Corpus ID: 25658961 Design of power receiving side in wireless charging system for UAV application @article{Muharam2017DesignOP, title={Design of power receiving side in wireless charging system for UAV application}, author={Aam Muharam and Tarek M. Mostafa and Reiji Hattori}, journal={2017
Read MoreThe total amount of input energy used in the charging process is 1.160 kJ and the total output of energy consumed for battery charging is 0.570 kJ. Hence, the efficiency of the wireless energy (not power) transfer turns out to be 51%. Download : Download high .
Read MoreThe advanced Microchip wireless receiver is compatible with Qi 1.2 base stations and is able to draw up to 15W of power that can be used to run portable devices or charge batteries. It allows users to quickly incorporate this receiver into their designs without dealing with the Qi protocol state machine and communication.
Read MoreExperiments show that the provided design considerations can reflect the system characteristics and can be used to design and analyse wireless EV charging systems. 7 Acknowledgment This work was supported partly by the National Natural Science Foundation of China under Grant 51677139.
Read MoreTherefore, an energy storage system that operates in conjunction with the wireless charging roads to mitigate this load pressure and reduce the corresponding energy costs is highly desired. To the best of the authors'' knowledge, none of the previous research considers the joint operation of wireless charging roads and an ESS in the
Read MoreAn efficient price-sensitive bidding strategy for wireless charging roads with energy storage is developed. • A regression model based on graph signal
Read MoreConventional wireless EV charging systems include a transmitter coil, which is embedded in the floor of the charging area, and a receiver coil, which is embedded in the vehicle''s chassis. The transmitter coil connects to the power supply (grid or storage), and the receiver coil connects to the vehicle''s battery.
Read MoreIn this work, we treat the entire wireless charging energy system as a special stakeholder participating in a real-time electricity market. The electricity market operator controls the output of the ESS (P E (t) in Fig. 2), as well as the energy flow between the wireless charging roads and the load centers (P G (t) in Fig. 2), on behalf
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