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A novel approach to frequency support in a wind integrated power system

Lookup NU author(s): Dr David Greenwood

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Abstract

© 2017 Elsevier Ltd This paper discusses the impact of wind penetration on frequency control of a thermal dominated system considering Generation Rate Constraints (GRC) and dead band non-linearities. The hidden inertia emulation and coordinated operation of conventional power generation systems with wind energy can effectively alleviate the frequency excursions during sudden load disturbances. Conventional energy storage device like Flywheel Energy Storage (FES) system can be used in conjunction with wind integrated power system to overcome the intermittent nature of power generation. Thyristor Controlled Series Compensator (TCSC) is found to be effective in damping low frequency oscillations in weak tie-lines and supplement the frequency regulation. A stochastic population based evolutionary computation technique - Particle Swarm Optimization (PSO) is used to tune the controller gains. A strategy comprising inertia control, coordinated operation of conventional generation units with wind energy and TCSC-FES has been proposed to enhance the frequency regulation which is effective in controlling low frequency oscillations as established by the simulation results.

Publication metadata

Author(s): Deepak M, Abraham RJ, Gonzalez-Longatt FM, Greenwood DM, Rajamani H-S

Publication type: Article

Publication status: Published

Journal: Renewable Energy

Year: 2017

Volume: 108

Pages: 194-206

Print publication date: 01/08/2017

Online publication date: 22/02/2017

Acceptance date: 19/02/2017

ISSN (print): 0960-1481

ISSN (electronic): 1879-0682

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.renene.2017.02.055

DOI: 10.1016/j.renene.2017.02.055

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