This paper discusses the results of an extensive investigation to assess the added value of various techniques of health monitoring to optimize the maintenance procedures of offshore wind farms. This investigation was done within the framework of the EU funded Condition Monitoring for Offshore Wind Farms (CONMOW) project, which was carried out from 2002 to 2007. A small wind farm of five turbines has been instrumented with several condition monitoring systems and also with the “traditional” measurement systems for measuring mechanical loads and power performance. Data from vibration and traditional measurements, together with data collected by the turbine’s system control and data acquisition (SCADA) systems, have been analyzed to assess (1) if failures can be determined from the different data sets; (2) if so, if they can be detected at an early stage and if their progress over time can be monitored; and (3) if criteria are available to assess the component’s health. Several data analysis methods and measurement configurations have been developed, applied, and tested. This paper first describes the use of condition monitoring if condition based maintenance is going to be applied instead of only scheduled and corrective maintenance. Second, the paper describes the CONMOW project and its major results, viz., the assessment of the usefulness and capabilities of condition monitoring systems, including algorithms for identifying early failures. Finally, the economic consequences of applying condition monitoring systems have been quantified and assessed.
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August 2008
Research Papers
Assessment of Condition Monitoring Techniques for Offshore Wind Farms
Edwin Wiggelinkhuizen,
Edwin Wiggelinkhuizen
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
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Theo Verbruggen,
Theo Verbruggen
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
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Henk Braam,
Henk Braam
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
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Luc Rademakers,
Luc Rademakers
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
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Jianping Xiang,
Jianping Xiang
Loughborough University (CREST)
, Ashby Road, LE11 3TU Loughborough, Leicestershire, UK
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Simon Watson
Simon Watson
Loughborough University (CREST)
, Ashby Road, LE11 3TU Loughborough, Leicestershire, UK
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Edwin Wiggelinkhuizen
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
Theo Verbruggen
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
Henk Braam
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
Luc Rademakers
Energy Research Centre of the Netherlands (ECN) (NL)
, Petten NL-175526, Netherlands
Jianping Xiang
Loughborough University (CREST)
, Ashby Road, LE11 3TU Loughborough, Leicestershire, UK
Simon Watson
Loughborough University (CREST)
, Ashby Road, LE11 3TU Loughborough, Leicestershire, UKJ. Sol. Energy Eng. Aug 2008, 130(3): 031004 (9 pages)
Published Online: June 24, 2008
Article history
Received:
May 25, 2007
Revised:
March 7, 2008
Published:
June 24, 2008
Citation
Wiggelinkhuizen, E., Verbruggen, T., Braam, H., Rademakers, L., Xiang, J., and Watson, S. (June 24, 2008). "Assessment of Condition Monitoring Techniques for Offshore Wind Farms." ASME. J. Sol. Energy Eng. August 2008; 130(3): 031004. https://doi.org/10.1115/1.2931512
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