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Research on a power quality monitoring technique for individual wind turbines

Lookup NU author(s): Dr Wenxian YangORCiD

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Abstract

The extensive deployment of megawatt-scale wind turbines is bringing more challenges to the safety and stability of electric grid than ever before. This is not only because of the unstable wind over time but the increased risk of power quality pollution by defective wind turbines particularly when the turbines today are still experiencing various reliability issues. To prevent the power quality pollution by defective turbines, a new power quality monitoring technique dedicated for individual wind turbines is developed in this paper, so that the quality of the power generated by an individual turbine can be monitored by the wind turbine condition monitoring system. Through simulated and physical experiments on a specially designed test rig, some encouraging results have been achieved. It has been shown that the proposed technique is not only valid for monitoring the power quality of an individual wind turbine, but helpful in detecting the mechanical and electrical faults occurring in the wind turbines.

Publication metadata

Author(s): Yang W, Tian SW

Publication type: Article

Publication status: Published

Journal: Renewable Energy

Year: 2015

Volume: 75

Pages: 187-198

Print publication date: 01/03/2015

Online publication date: 17/10/2014

Acceptance date: 21/09/2014

ISSN (print): 0960-1481

ISSN (electronic): 1879-0682

Publisher: Pergamon Press

URL: http://dx.doi.org/10.1016/j.renene.2014.09.037

DOI: 10.1016/j.renene.2014.09.037

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