Abstract
According to the latest researches, this paper outlines the development of wireless power transmission and introduces the latest applications of wireless power transmission in life. To describe the wireless power transmission technologies in detail, the paper presents the short-range, medium-range and remote wireless power transmission, respectively. In addition, the paper also depicts some unique properties of wireless power transmission system to make readers understand WPT system better. At last, the existing problems and developing trends are presented.
Highlights
Wireless power transmission is a technology that utilizes radio to transmit power energy, mainly through electromagnetic induction, electromagnetic resonance, RF, microwave, laser to realize non-contact power transmission
With the development of power electronic devices, power conversion and control technology, the wireless power transmission technology has achieved a gradual breakthrough in the conversion rate, low radiation and other aspects
Wireless power transmission is different from free-space point to point communication systems by the comparatively high levels of power being handled, by its high efficiency, and by its technology and physical components that are distinctly different from those used in communication systems
Summary
Wireless power transmission is a technology that utilizes radio to transmit power energy, mainly through electromagnetic induction, electromagnetic resonance, RF, microwave, laser to realize non-contact power transmission. The wireless power transmission shows a good prospect in the military, communications, industrial, medical, transportation, electric power, aerospace, energy environmental protection and other areas. This technology has rapidly become the hot pursuing topic for research institutions in recent years, and has made some major breakthroughs in electric vehicles, body implantable medical devices, small robots, portable mobile device chargers. Remote power transmission uses microwave or laser energy to form long-distance transmission-transmitted to the distal end of the receiving antenna, and conducts rectifier and modulation for further uses. This paper will introduce the three wireless power transmission technologies, respectively
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