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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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System frequency support using wind turbine kinetic energy and energy storage system

Xu, Guoyi and Xu, Lie and Morrow, D. John (2013) System frequency support using wind turbine kinetic energy and energy storage system. In: 2nd IET Renewable Power Generation Conference (RPG 2013). IEEE. ISBN 978-1-84919-758-8

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Abstract

This paper investigates the use of embedded energy storage within wind turbines to provide frequency support to connected AC systems. An energy storage device with a bidirectional dc-dc converter connected to the dc link of a fully rated converter based wind turbine is proposed. Different control methods for emulating inertial response to reduce both the rate of change of frequency and frequency nadir are proposed for variable speed turbines. The energy storage is used to smooth the transition of the wind turbines rotor from deceleration to acceleration after inertial response. Matlab/Simulink simulations based on a simple power system have demonstrated the frequency support effect of the proposed methods.