Investigation on Rectifiers and Rectennas with Various Input Power Levels for the Applications of Space Solar Power Station

Advances in Astronautics Science and Technology Pub Date : 2022-02-11 DOI:10.1007/s42423-022-00096-7

Changjun Liu, Zhongqi He

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Abstract

Rectifiers and rectennas have been receiving great attention for the applications of wireless power transmission and energy harvesting. This paper describes the challenges and solutions of the rectifiers and rectennas in enhancing conversion efficiency at low and high input power levels for the applications of space solar power station (SSPS). We reviewed the developments of the rectifiers for the applications of wireless power transmission, described the SSPS system, retrospect the history of SSPS, and presented the requirements of rectifiers and rectennas in SSPS systems. Key technologies of high-efficiency rectifiers and rectennas at various input power levels are also proposed. In high power levels, reducing harmonic loss and diode loss is valid to enhance rectifying efficiency. When the input power is low, using booster-voltage technology with low turn-on voltage diodes can improve rectifiers’ performance. To keep a high efficiency in low and high power levels, rectifiers with wide input power dynamic ranges are proposed with various structures.

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空间太阳能电站应用中不同输入功率电平整流天线的研究

整流器和整流天线在无线电力传输和能量收集方面的应用受到了广泛的关注。介绍了空间太阳能电站在提高低、高输入功率下整流和整流效率方面所面临的挑战和解决方案。本文综述了整流器在无线电力传输中的应用进展，介绍了SSPS系统，回顾了SSPS的发展历史，提出了SSPS系统中整流器和整流天线的要求。提出了不同输入功率下高效整流和整流的关键技术。在高功率下，降低谐波损耗和二极管损耗是提高整流效率的有效方法。在输入功率较低的情况下，采用低导通二极管的升压技术可以提高整流器的性能。为了在低功率和高功率下保持高效率，提出了各种结构的宽输入功率动态范围整流器。

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