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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | van Heerden, P.S.J. Vermeulen, H.J. |
| Copyright Year | 2013 |
| Description | Author affiliation: Stellenbosch Univ., Stellenbosch, South Africa (van Heerden, P.S.J.; Vermeulen, H.J.) |
| Abstract | Over the past decade the wind energy sector has grown worldwide from an installed capacity of 31.1 GW in 2002 to 273 GW in 2012. South Africa is forecasted to be one of the largest future developing markets for wind generation, particularly due to the need to introduce clean renewable energy into the generation capacity that currently consists predominantly of fossil fuel plants. This paper presents results of on-going research that focuses specifically on the condition monitoring of the slip ring component found in a doubly-fed induction generator, the most widely used generator topology throughout the wind energy sector. The slip ring component is maintenance intensive and that results in frequent unplanned outages and serious plant failures. Online condition monitoring of the slip ring component, especially in quantifying and trending ageing effects, has the potential to result in improved maintenance strategies and the prevention of failures. The approach investigated in this research involves the use of parameter estimation techniques to determine condition-related model parameters using C-code and S-function models implemented in Matlab and compiled as a Simulink library. The study aims to determine to what extent the parameters of the various subsystems can be estimated accurately enough from measurements of the terminal voltage and current waveforms to facilitate an online condition monitoring strategy. This paper presents results for one aspect of this study, namely condition monitoring of the slip ring component. Case studies are done on various theoretical- and laboratory data sets and the results of which are then compared and examined. |
| Sponsorship | EPRC |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 474623 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479932542 |
| DOI | 10.1109/UPEC.2013.6714965 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-09-02 |
| Publisher Place | Ireland |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Condition monitoring Slip Rings Parameter Estimation Parameter estimation Brushes Rotors Generators Modelling Simulink Mathematical model DFIG Wind Turbine Matlab |
| Content Type | Text |
| Resource Type | Article |
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