Effect of wind turbine converter control on wind power plant harmonic response and resonances

Sainz, Luis, Monjo, Lluis, Pedra, Joaquin, Cheah, Marc, Liang, Jun ORCID: https://orcid.org/0000-0001-7511-449X and Gomis-Bellmunt, Oriol 2017. Effect of wind turbine converter control on wind power plant harmonic response and resonances. IET Electric Power Applications 11 (2) , pp. 157-168. 10.1049/iet-epa.2016.0241

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Abstract

Wind turbine harmonic emissions due to power electronics are a well-known power quality concern in wind power plants. This problem may be increased by resonances because they amplify harmonic distortion around resonance frequencies. Hence, the resonance phenomenon is widely analysed in the literature. Resonance studies usually consider wind turbines as ideal current sources, which can lead to inaccurate results. The paper explores the effect of wind turbine converter control on wind power plant harmonic response. It contributes expressions of wind turbine equivalent harmonic impedance including current control of the grid side converter. This impedance allows wind turbine converter control to be considered in wind power plant modelling to analyse its effect on harmonic response and resonances. PSCAD and Matlab/Simulink simulations were performed to validate the analytical expressions and illustrate the usefulness of the work in predicting harmonic distortions at WT terminals in actual WPPs.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > T Technology (General)
Publisher:	Institution of Engineering and Technology
ISSN:	1751-8660
Date of First Compliant Deposit:	19 October 2016
Date of Acceptance:	27 September 2016
Last Modified:	16 Nov 2023 11:04
URI:	https://orca.cardiff.ac.uk/id/eprint/95433

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