12-14 September, 2011, Lucknow - Earth Science India

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National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow SPACE BASED SOLAR POWER – A REVIEW STUDY Kalpana Singh, Sada Shiv and Usha Bajpai Renewable Energy Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226 007 email: kalpanapgtphy@gmail.com, sada2011shiv@gmail.com, dr_ushabajpai@rediffmail.com In this review study, an attempt has been made to draw the attention towards space-based solar power or solar power satellite. It is a technology to collect solar power on space for use on earth. As on the earth surface, solar insolation is not available all the time of the day and in all season. It differs from place to place. It is affected by cloud cover and visibility. So if it is possible to collect solar power in space for the use on earth, various problems related to solar systems being used today, are solved. This review study draws attention towards benefits of space-based solar power and also towards its hurdles. Space-based solar power was proposed by Aerospace Engineer and Consultant, Dr. Peter Glaser in 1968 and basic outline of the plan have remained largely unchanged since then. In 1995, NASA conducted a ‘Fresh Look’ on space solar power concepts and technologies under leadership of John Mankins. Low-cost with small infrastructure SBSP system is being expected in near future in the light of advanced technology. Indian Space Research Organization and US National Space Society launched a joint forum to enhance partnership in harnessing solar energy through space-based solar collectors. Called the Kalam-NSS initiative after the former Indian President Dr APJ Abdul Kalam, the forum will lay the groundwork for the space-based solar power program which could see other countries joining in as well. The idea of a multilateral space-based solar energy program was initiated by the Indian Ministry of Defence think tank, Institute of Defence Studies and Analyses. A report prepared by Peter Garretson, a US Air Force Lieutenant Colonel called up on the governments of India and the United States to initiate this path-breaking project and make the space-based solar energy a commercially viable business venture by 2025. This partnership between the two countries is likely to gain pace and strength as the United States has now removed some technology-transfer restrictions which were imposed on some scientific research organizations in India after the 1998 nuclear tests. Organizations like the ISRO and Bharat Dynamics will now have access to some sensitive and unique technology. One of the biggest advantages of space-based solar energy is that it is not intermittent in nature as ground-based solar energy resource. An array of solar panels stationed in a geostationary orbit around the world will receive sunlight for 99 percent time of the year. Plus there are no losses due to atmospheric interferences. 96
National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow This review study encourages us to give our best to get an eco-friendly and never lasting source of energy. No doubt solar power helps in sustainable development. Space-based solar power may be a solution of the problems related to solar power systems and hence it will be helpful for sustainable development. It is also being reviewed in this study that space-based solar power is helpful to solve the problem of climate change as other sources of renewable energy do. GLOBAL WARMING: WHO IS RESPONSIBLE? Pradeep Kumar, Ajay Kumar i`Foh dk c
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12-14 September, 2011, Lucknow - Earth Science India

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