Design Considerations for a Contactless Electric Vehicle Battery Charger

Wang, Chwei-Sen; Stielau, O.H.; Covic, Grant A.

doi:10.1109/tie.2005.855672

Cited by 1,331 publications

(480 citation statements)

References 9 publications

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“…In abroad, Professor Boys's research team design out of the device for the power supply of electric vehicle in the harsh environment [3] [4], its transmission efficiency is up to 75%;The inductive contactless charging system of Magne-charge speed up the popularization and application of electric vehicle by effectively overcome the shortcomings of repeatedly plug and wire exposed [5]; Society of Automotive Engineers developed recommended practice for electric vehicle charging by use of inductive electric energy transmission technology in North America [6].Compared with foreign countries, the domestic research is late in the radio transmission filed, part of the domestic universities and research institutions have done a lot of work in the basic theory and application [7]- [9], [14][15], the present research focused on the control strategy and system design [10]- [14],the research on ICPT technology is worth mentioning, which is done by City University of Hong Kong and they mainly excogitate a general contactless charging platform [15]- [17], however the research aiming at power wireless transmission efficiency problem is seldom. This paper uses Matlab/Simulink to establish the contactless charging system model to simulate the actual work frequency, coil distance change and load change condition and simulation, through regulation of PWM generator frequency, mutual inductor value, RL value of the load to research the frequency, load and mutual inductance coefficient effect on electromagnetic inductive contactless charging, verify the mathematical model deduced theory and proved the method of improve working efficiency.…”

Section: Introductionmentioning

confidence: 99%

Research on Efficiency of Contactless Charging System based on Electromagnetic Induction

Chen

Liu

Chi

et al. 2016

MATEC Web of Conferences

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Abstract. For the efficiency problem of contactless charging in type of electromagnetic induction, this paper establishes a mathematical model of contactless charging in type of electromagnetic induction and the theoretical derivation. This contactless charging simulation model is founded by Matlab/Simulink, which uses the frequency of PWM generator, the mutual inductance value of the coil and load resistance of RL to simulate some conditions, such as the working frequency in practical work, the distance of coil, whether the coils are directed at the central, and changing of loads. Then through the influence of the changing frequency, load and mutual inductance, contactless charging in type of electromagnetic induction is analyzed. By the whole simulation experiment on contactless charging, the theory deduced from the mathematical model is verified, and the method to improve inductive contactless charging is proved.

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Section: Introductionmentioning

confidence: 99%

Research on Efficiency of Contactless Charging System based on Electromagnetic Induction

Chen

Liu

Chi

et al. 2016

MATEC Web of Conferences

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“…Maximum current is 400A with a power rating of 240kW. [86], ICNIRP in Europe [87] and ARPANSA in Australia [88]. There are different technologies that are being considered to provide WPT facilities.…”

Section: Chargingmentioning

confidence: 99%

A Comprehensive Study of Key Electric Vehicle (EV) Components, Technologies, Challenges, Impacts, and Future Direction of Development

Un-Noor¹,

Padmanaban²,

Mihet‐Popa³

et al. 2017

Preprint

150

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Electric vehicles (EV) are getting more commonplace in the transportation sector in recent times. As the present trend suggests, this mode of transport is likely to replace the internal combustion engine (ICE) vehicles in near future. Each of the main EV components has a number of technologies that are currently in use or can become prominent in the future. EVs can cause significant impacts on the environment, power system, and other related sectors. The present power system can face huge instabilities with enough EV penetration; but with proper management and coordination, EVs can be turned into a major contributor to the successful implementation of smart grid. There are possibilities of immense environmental benefits as well, as the EVs can extensively reduce the greenhouse gas emission from the transportation sector. However, there are some major obstacles for EVs to overcome before replacing the ICE vehicles totally. This paper is focused on reviewing all the useful data available on EV configurations, energy sources, motors, charging techniques, optimization techniques, impacts, trends, and possible directions of future developments. Its objective is to provide an overall picture of the current EV technology and ways of future development to assist in future researches in this sector.

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“…Besides, the larger air-gap causes a larger leakage inductance, thus reduces not only the coupling effect but also the transmission capacity of power. In view of this, a contactless inductive power transfer system may add resonant capacitors in the circuit of both sides for compensation to enhance the power transfer capability [6]. While the system circuit is operated at the resonant frequency, the inductive reactance and the capacitive reactance formed by the inductive coils of two sides and compensative capacitors will be offset by each other, it makes the system impedance of circuit purely resistive.…”

Section: Contactless Power Transfer Systemmentioning

confidence: 99%

Design of an Improved Type Rotary Inductive Coupling Structure for Rotatable Contactless Power Transfer System

Lee

Chen

Huang

2015

MATEC Web of Conferences

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Abstract. This paper is aimed at analyzing the rotary inductive coupling structure of contactless rotary transformer. The main feature of the proposed rotatable contactless power transfer system is which winding is coaxial-interlayered for improving the magnetic coupling capability. There is no ferrite core used in the secondary-side of the rotary inductive coupling structure, this helps to ease the exerted force that is stress by the secondary-side on spindle. In order to verify the feasibility of the proposed contactless power transfer system for rotary applications, an inductive powered rotary machinery and the control system have been integrated. The experimental results show that the maximum power transfer efficiency of the proposed rotary inductive coupling structure is about 94.8%. The maximum output power received in the load end is 1030 W with transmission efficiency of 88%.

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Design Considerations for a Contactless Electric Vehicle Battery Charger

Cited by 1,331 publications

References 9 publications

Research on Efficiency of Contactless Charging System based on Electromagnetic Induction

Research on Efficiency of Contactless Charging System based on Electromagnetic Induction

A Comprehensive Study of Key Electric Vehicle (EV) Components, Technologies, Challenges, Impacts, and Future Direction of Development

Design of an Improved Type Rotary Inductive Coupling Structure for Rotatable Contactless Power Transfer System

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