Cepis

Health and Humor

Water Quality, Sanitation Technology for the Americas

 

March 1, 2021

HDT 51b: Pumping water with non-conventional energy

Eng. David Chavez Muñoz, professor at the Pontifical Catholic University of Peru, Resident at CEPIS. September 1992

Spanish version: HDT 51b: Bombeo de agua con energias no convencionales


Solar Energy Equipment

Solar energy reaches the ground surface in the form of radiant energy. In some areas, the radiation reaches values up to 500 Watts per square meter of surface at certain times of the day and time of the year. In general, it is usual to obtain a power of around 50 Watts per square meter.

Solar pumps

Solar pumps use photo voltaic panels to produce electricity, which is then used to drive small electric pumps (12 V DC or 220 V AC). Due to the high cost of the panels (approximately US $ 500 per 100 W installed), these machines are not yet widespread (1).

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