Power from the Sun: Its Future

Glaser, Peter E.

doi:10.1126/science.162.3856.857

Cited by 794 publications

(244 citation statements)

References 4 publications

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“…Glaser proposed the classic satellite solar power station in 1968 [6]. Research on delivering energy from space to earth started at the Institute of space of Astronautical science [ISAS] in 1981 and there has been an annual space energy symposium at ISAS since then.…”

Section: Basic Principle Of Satellite Solar Power Stationmentioning

confidence: 99%

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Effect of Ionospheric Induced Depolarization on Satellite Solar Power Station

Chaudhary¹,

Vishvakarma²

2009

PIER Letters

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Abstract-The paper presents the ionospheric effect on the power transmitted by satellite solar power station. Consequently, the Faraday rotation and losses due to ionospheric layer are calculated at 2.45 GHz frequency. It is observed that the fluctuation in the Faraday rotation in day time is found to be the maximum as compared to the night hours and. Loss due to depolarization is found to have the maximum value at noon hours for all the seasons (summer, winter and spring) however, the loss is the highest for summer season as compared to winter and spring season. This is logically correct because the ionization is the highest in summer in comparison to winter which gives rise to maximum electron content and maximum depolarization.

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Section: Basic Principle Of Satellite Solar Power Stationmentioning

confidence: 99%

“…2. Faraday rotation at 2.45 GHz frequency were calculated using Equations (5), (6) and Figure 1. The data thus obtained for various seasons i.e., summer, winter and spring are shown as function of time in Fig.…”

Section: Ionospheric Equationsmentioning

confidence: 99%

Effect of Ionospheric Induced Depolarization on Satellite Solar Power Station

Chaudhary¹,

Vishvakarma²

2009

PIER Letters

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“…The SPS concept, firstly proposed by Peter Glaser in 1968 [1], consists of three main components: a solar array to collect solar radiation and convert it into direct current (DC) electricity, a DC-to-microwave converter and an antenna that directs a microwave beam towards the surface of the Earth. The main benefits of a SPS as opposed to a solar power system on the ground are that sunlight is not attenuated by the Earth's atmosphere, collection is not influenced by the day-night cycle and the SPS has higher end-to-end efficiency [2][3].…”

Section: Introductionmentioning

confidence: 99%

Robust optimal sun-pointing control of a large solar power satellite

Zhang

Peng

et al. 2016

Acta Astronautica

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The robust optimal sun-pointing control strategy for a large geostationary solar power satellite (SPS) is addressed in this paper. The SPS is considered as a huge rigid body, and the sun-pointing dynamics are firstly proposed in the state space representation. The perturbation effects caused by gravity gradient, solar radiation pressure and microwave reaction are investigated. To perform sun-pointing maneuvers, a periodically time-varying robust optimal LQR controller is designed to assess the pointing accuracy and the control inputs. It should be noted that, to reduce the pointing errors, the disturbance rejection technique is combined into the proposed LQR controller. A recursive algorithm is then proposed to solve the optimal LQR control gain. Simulation results are finally provided to illustrate the performance of the proposed closed-loop system.

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“…1,2 The liquid droplet radiator (LDR) is an important candidate for resolving this issue. Its lightweight structure, high resistance to meteorite impacts, small storage volume requirement at launch and easy deployment in space make it a very attractive heat removal system for the LSSs.…”

Section: Introductionmentioning

confidence: 99%