wireless power transfer system-EEE


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Design of wireless power transfer system for railway application
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As wireless power transfer (WPT) technologies emerge in a wide range of applications including public transportation, many expect that applying the technology to the current railway systems will bring positive effects to current railway systems. In this paper, we

The coil misalignment model of inductively coupled wireless power transfer system : mutual inductance analysis and transfer efficiency optimization
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A novel means of optimizing transfer efficiency of Inductively Coupled wireless power transfer (WPT) system is presented for the first time. In the applications envisaged, such as electric vehicles and biomedical implants, generally the receiving coil is laterally and

6.78 MHz capacitive coupling wireless power transfer system
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Wireless power transfer technologies typically include inductive coupling, magnetic resonance, and capacitive coupling methods. Among these methods, capacitive coupling wireless power transfer (CCWPT) has been studied to overcome the drawbacks of other

Spread spectrum technology to reduce the EMI from the constant voltage source type wireless power transfer system
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The electromagnetic interference (EMI) from the coil system for the wireless power transfer (WPT) with the voltage source and series LC resonance type can be reduced by 20dB at the most by using the spread spectrum technology when operating frequency 20 kHz, peak

Design and construction of wireless power transfer system using magnetic resonant coupling
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Wireless power transmission is the transmission of electrical energy without using any conductor or wire. It is useful to transfer electrical energy to those places where it is hard to transmit energy using conventional wires. In this paper, we designed and implemented a

Evaluation Method of Electromagnetic Field Exposure Levels from Wireless Power Transfer System
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If the wireless power transfer system is located to a person; the magnetic fields produce by the wireless power transfer system will vary in the region occupied by the human body. According the Institute of Electrical and Electronic Engineers (IEEE) and International

Resonance and efficiency in wireless power transfer system
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Many papers about wireless power transfer use resonant phenomena. In general if input frequency is adjusted to the resonant frequency, the amplitude of current or voltage will be maximal. Since the power of resistive load is determined by its current or voltage, the power

Development of a novel wireless electric power transfer system for space applications
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This paper will introduce a new implementation for wireless electric power transfer systems: space applications. Due to the risks that constitute the use of electrical connector for some space missions/applications, a simple wireless power system design approach will be

Capacitive Wireless Power Transfer System Applied to Low- Power Mobile Device Charging
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Wireless Power Transfer (WPT) technologies are most popularly based on inductive coupling (IPT), using magnetic fields as transfer interface. Recently, studies have been published on capacitive coupling (CPT), through electric fields. CPT has small power

Reconfigurable wireless power transfer system for multiple receivers
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We present a novel schematic using a 3-dB coupler to transmit radiofrequency (RF) power to two receivers selectively. Whereas previous multiple receiver supporting schemes used hardware-switched methods, our scheme uses a soft power -allocating method, which has

Wireless Power Transfer System via Magnetic Resonant Coupling at Restricted Frequency Range
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Nowadays, with the widespread usage of mobile appliances such as mobile phones and laptops, as well as the recent boom in environmentally friendly EVs, the need for a technique to wirelessly charge these devices has increased. Wireless power transfer systems can not

Design of antennas for a rectenna system of wireless power transfer in the LTE/WLAN frequency band
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The Wireless Power Transfer (WPT) system has enabled numerous applications in clean energy applications since their major goal is to recycle the ambient microwave energy. It is enough to drive low power consumption devices. In such system , microstrip antennas are

Sensorless vehicle detection using voltage pulses in dynamic wireless power transfer system
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A large amount of power loss due to power transmission while a receiving coil is not near a transmitter can be a main issue in dynamic wireless power transfer system for electric vehicles. In conventional researches, additional vehicle detection system using loop coils or

Design of wireless power transfer system via magnetic resonant coupling at 13.56 mhz
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Power is a must to modern systems. Power transmission through wires is common. But not in every field can wires be used because of certain limitations. The implantable biomedical devices like pacemakers, cardiac defibrillators, and artificial hearts require power supply for

Wireless power transfer system
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The goal of the project was to develop a Wireless Power Transfer (WPT) System and im- plement it in innovative flooring. The project was done at NextFloor Oy, a company based in Helsinki, Finland. At the moment, Wireless Power Transmission is in the forefront of electronics

A Class E Power Oscillator for 6.78- Wireless Power Transfer System
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A class E power oscillator is demonstrated for 6.78-MHz wireless power transfer system . The oscillator is designed with a class E power amplifier to use an LC feedback network with a high-Q inductor between the input and the output. Multiple capacitors are used to minimize

Design and implementation of material characteristics for capacitive coupling wireless power transfer system
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This research work describes a design and implementation of materials characteristics for the capacitive coupling wireless power transfer system . There were two types of Wireless Power Transfer (WPT) that have widely been used and studied by researchers: Inductive

A Bidirectional Wireless Power Transfer System for Roadway Powered Electric Vehicles.
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A wireless power transfer system for roadway pow-ered electric vehicles (EVs) is presented. The system concept is using inductive coupling of primary coils arranged in a linear array in the roadway to secondary coils in each EV. The system is geared to minimize loss of the

Wireless power transfer system
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This paper presents a survey of recent wireless power transfer systems. The issue of wireless power transfer is to achieve a highly efficient system with small positioning errors of the facilities setting. Several theories have been presented to obtain precise system design

Wireless Power Transfer system : Development and Implementation
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The goal of the project was to develop a Wireless Power Transfer (WPT) System and implement it in innovative flooring. The project was done at NextFloor Oy, a company based in Helsinki, Finland. At the moment, Wireless Power Transmission is in the forefront of



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