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Sherring, Chris; Rangarajan, Anand. International impact assessment of large scale photovoltaic powered water pumps. 2005 SOLAR WORLD CONGRESS, 2005, Orlando, Flórida.
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Dados do autor na base InfoHab:
Número de Trabalhos: 1 (Nenhum com arquivo PDF disponível)
Citações: 1
Índice h: 1  
Co-autores: Nenhum co-autor encontrado

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Abstract

WorldWater and Power Corporation has been delivering both stand alone and grid connected large scale photovoltaic powered systems capable of directly driving 600 HP compressors and pumps for more than two years. This paper looks at the impact that these proprietary systems are having both in the developed and developing world. In California three of these large scale PV systems are being used for irrigating cotton and grapefruit and cooling freshly harvested potatoes. Results will be reported on the economic impact on the operating costs of a 350 HP hydracooler that is used to chill potatoes shortly after they are harvested. Not only has the system operated flawlessly since installation but this grid connected PV power unit has already delivered significant economic benefits to the owner. While such large scale systems make excellent economicsense in the developed world today due to the wide range of rebates and economic incentives, stand alone PV power systems are the natural choice in the developing world for powering remote communities where the operating and maintenance costs of diesel power systems are unacceptably high. Particularly for the provision of community water supplies this drive capability offers a truly sustainable solution. WorldWater and Power Corporation has employed this ability to drive standard three phase AC motors directly from solar to establish a community water supply system in Cebu in the Philippines. This system which uses a proprietary smart card water payment process to ensure appropriate collection of fee for service has been operational for two years. Usage data will be discussed as will aspects of sustainability. Extension of this technology to provide combined, community water and electricity supplies will be discussed as will the likely impact that this technology will provide, both in the Developed and Developing World, within the next five years.
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