Preprint Article Version 1 This version is not peer-reviewed

Techno-Economic Analysis of Hydrokinetic Turbines

Version 1 : Received: 12 April 2017 / Approved: 13 April 2017 / Online: 13 April 2017 (06:06:08 CEST)

How to cite: Kumar, A.; Saini, R.P. Techno-Economic Analysis of Hydrokinetic Turbines. Preprints 2017, 2017040072 (doi: 10.20944/preprints201704.0072.v1). Kumar, A.; Saini, R.P. Techno-Economic Analysis of Hydrokinetic Turbines. Preprints 2017, 2017040072 (doi: 10.20944/preprints201704.0072.v1).

Abstract

In small-scale hydropower scheme, the most important component is electro-mechanical equipment. Since cost contribution of this component is high because hydrokinetic projects require negligible civil works. Turbine and alternator contribute major fraction of the hydrokinetic projects. Thus, there is a requirement to estimates the electromechanical equipment cost for the hydrokinetic hydropower scheme. The present paper investigates design parameters of the hydrokinetic turbines and intends to develop cost correlation which depends on most critical parameters of hydropower sites such as velocity and power capacity. In this present work, three zero head turbines are considered including straight blade Darrieus, two Stage Savonius, and Gorlov Helical. The size and cost of major components have been calculated based on material, manufacturing, research and design, and assembly costs. Based on cost and site parameters, cost correlation has been developed. The obtained cost has been validated with available zero head turbines in the market and installed projects. A techno-economic analysis has been carried out to select economical hydrokinetic turbine for river and canal application.

Subject Areas

ultra-low head turbines; cost correlations; Darrieus; Savonius; small hydro energy

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