Microwave Power Transmission Technologies for Solar Power Satellites
Microwave Power Transmission Technologies for Solar Power Satellites
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DOI：
10.1109/jproc.2013.2246851
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发表时间：
2013-06-01
影响因子：
20.6
通讯作者：
Maki, Ken-ichiro
中科院分区：
文献类型：
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作者：
Sasaki, Susumu;Tanaka, Koji;Maki, Ken-ichiro
太阳能卫星（SPS）是一种可再生能源系统，它将太阳能转化为太空中的电力，并使用微波将其传输到地球。SPS概念于1968年在美国首次提出，最近作为一种有前途的能源系统开始引起公众越来越多的关注，可用于解决全球环境和能源问题。对空间站来说，最具挑战性的技术之一是从地球静止轨道向地面传输微波功率。自20世纪60年代首次演示以来，对微波功率传输技术的研究已经超过40年;然而，对于SPS应用，仍然需要进行大量研究，特别是在直流电（DC）和射频（RF）之间的高效功率转换以及在长距离上的高精度微波束控制方面。本文介绍了SPS的概念，并提出了从空间到地面的微波功率传输的相关技术和问题。介绍了微波功率传输技术的研究现状和发展前景。
A solar power satellite (SPS) is a renewable energy system that converts the sun's energy into electricity in space and transmits it to Earth using microwaves. The SPS concept, first proposed in 1968 in the United States, has recently started attracting increased public attention as a promising energy system that can be used to resolve global environmental and energy problems. One of the most challenging technologies for the SPS is microwave power transmission from the geostationary orbit to the ground. The technologies for microwave power transmission have been studied for more than 40 years since the initial demonstrations in the 1960s; however, for SPS application, considerable research, especially on high-efficiency power conversion between direct current (dc) and radio frequency (RF) and on high-accuracy microwave beam control over a long range, is still needed. This paper introduces the concept of SPS and presents the technologies and issues associated with microwave power transmission from space to ground. Current research status and the future development prospects for microwave power transmission toward commercial SPS use are also described.