CUED Publications database

Design and simulation of SMES system using YBCO tapes for direct drive wave energy converters

Zhang, H and Nie, Z and Xiao, X and Aggarwal, R and Kang, Q and Ainslie, M and Zhu, J and Coombs, T and Yuan, W (2013) Design and simulation of SMES system using YBCO tapes for direct drive wave energy converters. IEEE Transactions on Applied Superconductivity, 23. ISSN 1051-8223

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Abstract

The ocean represents a huge energy reservoir since waves can be exploited to generate clean and renewable electricity; however, a hybrid energy storage system is needed to smooth the fluctuation. In this paper a hybrid energy storage system using a superconducting magnetic energy system (SMES) and Li-ion battery is proposed. The SMES is designed using Yttrium Barium Copper Oxide (YBCO) tapes, which store 60 kJ electrical energy. The magnet component of the SMES is designed using global optimization algorithm. Mechanical stress, coupled with electromagnetic field, is calculated using COMSOL and Matlab. A cooling system is presented and a suitable refrigerator is chosen to maintain a cold working temperature taking into account four heat sources. Then a microgrid system of direct drive linear wave energy converters is designed. The interface circuit connecting the generator and storage system is given. The result reveals that the fluctuated power from direct drive linear wave energy converters is smoothed by the hybrid energy storage system. The maximum power of the wave energy converter is 10 kW. © 2012 IEEE.

Item Type: Article
Uncontrolled Keywords: Control circuits cryocooler power hybrid energy storage system SMES magnet design
Subjects: UNSPECIFIED
Divisions: Div C > Materials Engineering
Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:29
Last Modified: 08 Dec 2014 02:29
DOI: 10.1109/TASC.2012.2232954