Modern Trends in Inductive Power Transfer for Transportation Applications
Grant A. Covic,John T. Boys +1 more
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In this article, the authors review the development of simple factory automation (FA) IPT systems for both today's complex applications and onward to a much more challenging application-IPT roadway.Abstract:
Inductive power transfer (IPT) has progressed to be a power distribution system offering significant benefits in modern automation systems and particularly so in stringent environments. Here, the same technology may be used in very dirty environments and in a clean room manufacture. This paper reviews the development of simple factory automation (FA) IPT systems for both today's complex applications and onward to a much more challenging application-IPT roadway. The underpinning of all IPT technology is two strongly coupled coils operating at resonance to transfer power efficiently. Over time the air-gap, efficiency, coupling factor, and power transfer capability have significantly improved. New magnetic concepts are introduced to allow misalignment, enabling IPT systems to migrate from overhead monorails to the floor. However, the demands of IPT roadway bring about significant challenges. Here, compared with the best FA practice, air-gaps need to be 100 times larger, power levels greater than ten times, system losses ten times lower to meet efficiency requirements, and systems from different manufacturers must be interoperable over the full range of operation. This paper describes how roadway challenges are being met and outlines the problems that still exist and the solutions designers are finding to them.read more
Citations
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Wireless Power Transfer for Electric Vehicle Applications
Siqi Li,Chunting Chris Mi +1 more
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Wei Zhang,Chunting Chris Mi +1 more
TL;DR: This paper provides a comprehensive review of existing compensation topologies for the loosely coupled transformer and discusses the compensation requirements for achieving the maximum efficiency according to different WPT application areas.
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Modern Advances in Wireless Power Transfer Systems for Roadway Powered Electric Vehicles
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Advances in Wireless Power Transfer Systems for Roadway-Powered Electric Vehicles
TL;DR: In this article, the development history of inductive power transfer systems (IPTSs) is tracked from the origin of the RPEV in the 1890s to the recent road-powered electric vehicle (RPEV).
References
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Journal ArticleDOI
Wireless Power Transfer via Strongly Coupled Magnetic Resonances
Andre B. Kurs,Aristeidis Karalis,Robert Moffatt,John D. Joannopoulos,Peter H. Fisher,Marin Soljacic +5 more
TL;DR: A quantitative model is presented describing the power transfer of self-resonant coils in a strongly coupled regime, which matches the experimental results to within 5%.
Journal Article
Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz)
TL;DR: The International Commission on Non-Ionizing Radiation Protection (ICNIRP)—was established as a successor to the IRPA/INIRC, which developed a number of health criteria documents on NIR as part of WHO’s Environmental Health Criteria Programme, sponsored by the United Nations Environment Programme (UNEP).
Journal Article
ICNIRP Guidelines for limiting exposure to time-varying electric and magnetic fields (1 Hz to 100 kHz).
Jiali Lin,Richard Saunders,Karl Schulmeister,Pier Söderberg,Bruce E. Stuck,A. Swerdlow,Masao Taki,Bernard Veyret,Gunde Ziegelberger,Mike H. Repacholi,R. Matthes,Anders Ahlbom,Kari Jokela,C. Roy +13 more
TL;DR: This publication replaces the low-frequency part of the 1998 guidelines and some guidance in this document is extended to 10 MHz to cover the nervous system effects in this frequency range.
Journal ArticleDOI
Design considerations for a contactless electric vehicle battery charger
TL;DR: This paper overviews theoretical and practical design issues related to inductive power transfer systems and verifies the developed theory using a practical electric vehicle battery charger.
Journal ArticleDOI
A Critical Review of Recent Progress in Mid-Range Wireless Power Transfer
TL;DR: In this paper, a critical review outlines recent magneto-inductive research activities on wireless power transfer with the transmission distance greater than the transmitter coil dimension, and summarizes the operating principles of a range of wireless power research into the maximum power transfer and the maximum energy efficiency principles.