Cost-Benefit Analysis for Hydropower Production in Water Distribution Networks by a Pump as Turbine
Publication: Journal of Water Resources Planning and Management
Volume 140, Issue 6
Abstract
The use of microhydroelectric plants in urban pipe networks, based on the combination of a pump as turbine (PAT), two regulating valves, and two pressure meters, is proposed along with simple automation rules. Its economic benefit is tested on a small pipe network, where the network geometry as well as the demand coefficient variation in time and space have been inferred from previously collected data and existing analysis. A similar analysis has been also carried out for different scenarios in which the reduction of pipe installation cost due to a diameter reduction is compared with the increased benefit in energy production. The case study shows that a small increment of the pipe installation cost, with respect to the minimum required by the nodes minimum pressure, can lead to a larger benefit for energy production.
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Information & Authors
Information
Published In
Journal of Water Resources Planning and Management
Volume 140 • Issue 6 • June 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Dec 3, 2012
Accepted: Jun 10, 2013
Published online: Jun 13, 2013
Published in print: Jun 1, 2014
Discussion open until: Aug 14, 2014
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