Potentials and Future Prospects of Solar Powered Satellites

Potentials and Future Prospects of Solar Powered Satellites
Author(s):
Pravin Dharmaraj Patil, Mahesh Ashok Marathe, Yogesh Chudaman Sonawane
Keywords:
population, radio waves, electromagnetic radiation, microwave beam.
Abstract
The search for a new, safe and stable renewable energy source led to the idea of building a power station in space which transmits electricity to Earth. The concept of Solar Power Satellites (SPS) was invented by Glaser in 1968.Research is still going on in this field and NASA is planning to implement one by 2040. SPS converts solar energy into microwaves and transmit it to a receiving antenna on Earth for conversion to electric power. The key technology needed to enable the future feasibility of SPS is Microwave Power Transmission. SPS would be a massive structure with an area of about 56 sqm and would, weigh about 30,000 to 50,000 metric ton. Estimated cost is about $74 billion and would take about 30 years for its construction. In order to reduce the projected cost of a SPS suggestions are made to employ extraterrestrial resources for its construction. This reduces the transportation requirements of such a massive structure. However the realization of SPS concept holds great promises for solving energy crisis.
Article Details
Unique Paper ID: 145891 Publication Volume & Issue: Volume 4, Issue 11 Page(s): 955 - 961
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