Performance of Wind-Electric and Solar-PV Water Pumping Systems for Watering Livestock

[+] Author and Article Information
B. D. Vick, R. N. Clark

USDA—Agricultural Research Service, Conservation and Production Research Laboratory, P. O. Drawer 10, Bushland, TX 79012

J. Sol. Energy Eng 118(4), 212-216 (Nov 01, 1996) (5 pages) doi:10.1115/1.2871780 History: Received September 01, 1995; Revised December 01, 1995; Online February 14, 2008


The water pumping performance of two wind-electric systems is compared to the water pumping performance of two solar-PV systems. The wind-electric systems were rated at 1.0 kW and 1.5 kW at a wind speed of about 12 m/s, and the rotor diameters were 2.75 m and 3.05 m, respectively. The solar-PV systems were rated at 0.1 kW and 0.9 kW at a radiation level of about 1000 W/m2 , and the total solar panel surface areas were 1 and 17 m2 , respectively. Both wind-electric systems powered three-phase 230 V a-c induction motors with centrifugal pumps. The smaller of the solar-PV systems powered a d-c motor with a diaphragm pump, and the larger one powered a single phase 230 V a-c induction motor with a centrifugal pump. Only a well pumping depth of 30 m was evaluated for both wind-electric and solar-PV water pumping systems. The 0.1 kW and the 0.9 kW solar water pumping systems can provide enough water for 25 and 75 cattle, respectively, if the incident solar radiation is similar to that of Bushland, TX. The 1.0 kW and 1.5 kW wind-electric water pumping systems can provide enough water for 300 and 400 cattle, respectively, if the wind regime is similar to that of Bushland, TX.

Copyright © 1996 by The American Society of Mechanical Engineers
Topics: Solar energy , Water , Wind
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