Performance of a wind-turbine-driven compressor for lifting water

K.A. Abed

Energy, 1997, vol. 22, issue 1, 21-26

Abstract: Energy storage is important for renewable energy systems. Compressed air storage is an attractive alternative to pumped water storage. It is suitable for use with wind-energy systems. We have studied a system consisting of a wind turbine, compressor, storage tank, and air-lift pump. The output power and capacity factor were accurately determined. Characteristics of the air-lift pump were investigated by using a numerical model. Wind turbines with compressed air storage and capacity factors greater than 40% are feasible with air-lift pumps. With air-lift pumps, increases of air-flow rates were accompanied by corresponding increases in water-flow rates, up to maximum outputs. The efficiency of the system reaches 22% when the ratio of water to air flow rate equals 2.15 and decreases thereafter.

Date: 1997
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:22:y:1997:i:1:p:21-26

DOI: 10.1016/S0360-5442(96)00089-8

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