Sun, Hao, Luo, Xing and Wang, Jihong (2015) Feasibility study of a hybrid wind turbine system – integration with compressed air energy storage. Applied Energy, Volume 137 . pp. 617-628. doi:10.1016/j.apenergy.2014.06.083

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Abstract

Wind has been recognized as one of major realistic clean energy sources for power generation to meet the continuously increased energy demand and to achieve the carbon emission reduction targets. However, the utilisation of wind energy encounters an inevitable challenge resulting from the nature of wind intermittency. To address this, the paper presents the recent research work at Warwick on the feasibility study of a new hybrid system by integrating a wind turbine with compressed air energy storage. A mechanical transmission mechanism is designed and implemented for power integration within the hybrid system. A scroll expander is adopted to serve as an “air-machinery energy converter”, which can transmit additional driving power generalized from the stored compressed air to the turbine shaft for smoothing the wind power fluctuation. A mathematical model for the complete hybrid process is developed and the control strategy is investigated for corresponding cooperative operations. A prototype test rig for implementing the proposed mechanism is built for proof of the concept. From the simulated and experimental studies, the energy conversion efficiency analysis is conducted while the system experiences different operation conditions and modes. It is proved that the proposed hybrid wind turbine system is feasible technically.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Compressed air -- Technological innovations, Wind power -- Power supply -- Technology, Renewable energy sources -- Research, Electric networks, Electric power distribution
Journal or Publication Title:	Applied Energy
Publisher:	Elsevier BV
ISSN:	0306-2619
Official Date:	1 January 2015
Dates:	Date Event 1 January 2015 Published 1 August 2014 Available 30 June 2014 Accepted 14 March 2014 Submitted
Date of first compliant deposit:	20 May 2016
Volume:	Volume 137
Page Range:	pp. 617-628
DOI:	10.1016/j.apenergy.2014.06.083
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Funder:	Advantage West Midlands (AWM), European Regional Development Fund (ERDF), Engineering and Physical Sciences Research Council (EPSRC)
Grant number:	EP/ K002228/1 (EPSRC)

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