Condition monitoring artefacts for detecting winding faults in wind turbine DFIGs

Djurovic, S, Williamson, S, Tavner, PJ and Yang, W (2009) Condition monitoring artefacts for detecting winding faults in wind turbine DFIGs European Wind Energy Conference and Exhibition 2009, EWEC 2009, 1. pp. 491-512.

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Abstract

Monitoring the condition of doubly-fed induction generators (DFIG) is growing in importance for Wind Turbines. This study presents the results of a comparison of DFIG steady state stator line current and instantaneous power when used as a means for generator condition monitoring, based on an examination of their frequency spectrum. For the purpose of this work, a detailed analytical model that makes it possible to simulate DFIG operation under a range of supply and winding balanced/unbalanced operating conditions, was developed. Additionally, a purpose-designed DFIG test rig was built to facilitate the experimental validation of model results. The faulty machine current and power spectra are compared using experimental and model results.

Item Type:	Article
Authors :	Name Email ORCID Djurovic, S Williamson, S steve.williamson@surrey.ac.uk Tavner, PJ Yang, W
Date :	1 December 2009
Depositing User :	Symplectic Elements
Date Deposited :	16 May 2017 12:32
Last Modified :	16 May 2017 12:39
URI:	http://epubs.surrey.ac.uk/id/eprint/814263

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