High Power Wireless Charging Capacitor
Electronics | Free Full-Text | Capacitive Coupling Wireless Power Transfer with Quasi-LLC Resonant Converter Using Electric Vehicles'' Windows …
However, capacitive coupling wireless power transfer has a limitation in charging electric vehicles due to too small coupling capacitance via air with a very high frequency operation. The new capacitive wireless power transfer uses glass as a dielectric layer in a vehicle.
Design of a High Power, LCC-Compensated, Dynamic, Wireless Electric Vehicle Charging …
Dynamic wireless power transfer (DWPT) systems are becoming increasingly important for on-the-move electric vehicle (EV) charging solutions, to overcome range anxiety and compensate for the consumed energy while the EV is in motion. In this work, a DWPT EV charging system is proposed to be implemented on a straight road …
Wireless charging system for unmanned aerial vehicles using …
This paper proposes a wireless charging system (WCS) for unmanned aerial vehicles (UAVs) that features a lightweight and compact receiver module and constant current/constant voltage (CC/CV) charging. Optimizing the LCC-none compensation topology reduces the weight and volume of the receiver module mainly by avoiding the …
Wireless charging technologies for electric vehicles: Inductive ...
High-power charging. Efficiently delivering high power wirelessly poses a significant challenge in inductive charging for electric vehicles. Overcoming …
Wireless charging system for unmanned aerial vehicles using lightweight and compact receiver modules | Journal of Power …
This paper proposes a wireless charging system (WCS) for unmanned aerial vehicles (UAVs) that features a lightweight and compact receiver module and constant current/constant voltage (CC/CV) charging. Optimizing the LCC-none compensation topology reduces the weight and volume of the receiver module mainly by avoiding the …
A Self-Tuning LCC/LCC System Based on Switch-Controlled Capacitors for Constant-Power Wireless Electric Vehicle Charging …
Abstract: In this article, a self-tuning LCC/LCC wireless power transfer system based on switch-controlled capacitors is proposed to maintain a high power factor on the primary inverter side and fixed output power on the secondary side against self or mutual inductance variation of the magnetic coupler. ...
Compensate Capacitor Optimization for Kilowatt-Level …
A design method featuring compensate capacitor optimizing for better design of practical kilowatt-level WCS is presented and considering peculiar constraints and requirements of EV-oriented WCS, detailed optimizing procedure and adjustment criterion are presented. Magnetically resonant wireless power transfer (WPT) technique excels in delivering …
Efficient wireless charging system for supercapacitor-based …
Currently, the widely used method to charge EVs is plug-in charging of EVs but it has serious disadvantages such as cost and proper maintenance. 1,2 Wireless charging is an alternative method that can be utilized to convey energy to a Metro Bus while travelers disembark and embark. 3 One way to wirelessly charge EVs is inductive …
A Power-Efficient Wireless Capacitor Charging System Through …
A. Capacitor Charging Concept The concept of the proposed capacitor charging system starts from utilizing a series charge injection capacitor as a current source, which generates a fixed amount of predefined charging current. Fig. 2 shows the simplified circuit diagram of the inductive capacitor charging system, which charges a …
A High Efficiency Charging Strategy for a Supercapacitor …
A High Efficiency Charging Strategy for a Supercapacitor Using a Wireless Power Transfer ... Keywords: wireless power transfer; inductor/capacitor/capacitor (LCC) compensation;
Compensate Capacitor Optimization for Kilowatt-Level Magnetically Resonant Wireless Charging System
Magnetically resonant wireless power transfer (WPT) technique excels in delivering power over a relatively long distance, and WPT systems for bio-implants have been successfully developed. However, the preconception of resonant-operating results in a fact that most previous works pay little attention to the optimization of the compensate …
Inductive charging
Applications of inductive charging can be divided into two broad categories: Low power and high power: Low power applications are generally supportive of small consumer electronic devices such as cell phones, handheld devices, some computers, and similar devices which normally charge at power levels below 100 watts.The AC utility frequency …
High-Voltage Ceramic Capacitors
Wireless charging systems; High-Voltage, High-Temperature (+200°C), C0G Capacitors. ... Switch mode power supplies; Safety Rated Disc Capacitors. C700 safety-rated disc capacitors are specifically designed for interference suppression AC line filtering applications. Available in both X and Y classes, these capacitors are tested and …
High-Frequency Power Transfer Paves the Way for Wireless EV Charging
Efficiency must be maximized for a high-power EV wireless charger, whereas phone chargers are typically only 70% efficient, according to the Wireless Power Consortium. This is acceptable for a low-cost commodity product but is wasteful for an EV wireless charger, where a system efficiency closer to 85% is required (AC to DC power).
Wireless Power Transfer: Systems, Circuits, Standards, and Use …
Wireless power transfer provides a most convenient solution to charge devices remotely and without contacts. R&D has advanced the capabilities, variety, and maturity of solutions greatly in recent years. This survey provides a comprehensive overview of the state of the art on different technological concepts, including electromagnetic …
Constant current/voltage charging for the inductor–capacitor…
1 Introduction. Wireless power transfer (WPT) systems realise no direct connections between the transmitter and receiver, then the charging process can be automatic, safe and convenient [1-3].The research studies focus on the power converters design, compensation topology optimisation and control methods analysis [4 …
High Current Wireless Battery Charger Circuit
The above design represents the transmitter circuit of the high power wireless battery charger circuit using a IC 555 PWM circuit. ... Meaning, you can simply use a single continuously running coil from start to …
Compensate Capacitor Optimization for Kilowatt-Level Magnetically Resonant Wireless Charging …
A design method featuring compensate capacitor optimizing for better design of practical kilowatt-level WCS is presented and considering peculiar constraints and requirements of EV-oriented WCS, detailed optimizing procedure and adjustment criterion are presented. Magnetically resonant wireless power transfer (WPT) technique excels in delivering …
Simultaneous Identification of Multiple Parameters in Wireless Power ...
This paper proposes a novel approach to simultaneously identifying multiple critical parameters in a wireless power transfer (WPT) system, such as the resonant frequency, mutual inductance, and load resistance, solely from the primary side. The key is to adopt a primary-side-switch-controlled capacitor (SCC) to ensure that the …
A seamlessly integrated device of micro-supercapacitor and …
Micro-supercapacitors (MSCs) are particularly attractive in wireless charging storage microdevices because of their fast charging and discharging rate …
Minimum Resonant Capacitor Design of High-power LLC Resonant Converter for Comprehensive Efficiency Improvement in Battery Charging …
Here, a minimum resonant capacitor design approach is proposed for the insulated-gate bipolar transistor (IGBT)- based high-power LLC resonant converter to improve its comprehensive efficiency in ...
A new capacitive coupler design for wireless capacitive power …
The reduced cost is provided by the eliminated high-priced external capacitors and the reduced size of compensation inductors made with Litz-wire, which proofs the validity of the proposed coupler structure. ... and Verification of a Reduced Model Capacitive Power Transfer Based Wireless Charging System, ECCE. IEEE Energy …
A Self-Tuning LCC/LCC System Based on Switch-Controlled Capacitors …
In this paper, a self-tuning LCC/LCC wireless power transfer system based on switch-controlled capacitors is proposed to maintain high power factor on the primary inverter side and fixed output power on the secondary side against self- or mutual inductance variation of the magnetic coupler. The PI control on primary side and the method of gradient descent …
Capacitive Coupling Wireless Power Transfer with Quasi-
This paper proposes a new capacitive coupling wireless power transfer method for charging electric vehicles. Capacitive coupling wireless power transfer can replace conventional inductive coupling wireless power transfer because it has negligible eddy-current loss, relatively low cost and weight, and good misalignment performance. …
Improving the Misalignment Tolerance of Wireless …
For ameliorating the energy pick‐up capability of wireless charging during the movement of automatic vehicles, this paper proposes an input‐parallel output‐series wireless power transfer ...
A multi-channel wireless charging system with constant-voltage …
Design of high-power static wireless power transfer via magnetic induction: an overview CPSS Trans Power Electron Appl, 6 ( 4 ) ( 2021 ), pp. 281 - 297 Crossref Google Scholar
Wireless power transfer system with enhanced efficiency by using …
A shape-reconfigurable modularized wireless power transfer array system for multipurpose wireless charging applications. IEEE Trans. Antennas Propag. 66, 4252–4259 (2016). Article ADS Google ...
Wireless power transfer system with enhanced efficiency by using ...
The wireless power transfer (WPT) system is used for the transmission of energy without a direct physical cable connection, which is useful to power loads where …
A Novel Portable Solar Powered Wireless Charging Device
This paper presents the development of a portable solar panel wireless charging device with an advanced charging algorithm. The device features a 6500 mAh Li-ion battery and is designed to efficiently charge smartphones and laptops. It incorporates a simulated solar panel, charging circuit, microcontroller, and wireless charging circuits. …
Application to EV Wireless Power Transfer Systems Overview
High-power resonance capacitors are an important component in magnetic resonance using wireless power transfer EV charging systems. This is because a high-accuracy resonance circuit with high withstand voltage is required for efficient wireless transfer of a large amount of power in a short time.
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