Operation
❯
Predictive Maintenance
❯Solution to detect signs of failures in wind power generation system
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Solution to detect signs of failures in wind power generation system
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Solution to detect signs of failures in wind power generation system
Goal:
Improve Operation EfficiencyProblem addressed
Detect signs of failure in wind power generation earlier than detection by human
specialists.
Scope of use case
Detect signs of malfunction (failure) in wind power generators
Description
We present a method for detecting anomalies in vibration
signals of wind turbine components.
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The predominant characteristics of wind turbine vibration
signals are extracted by applying a time-frequency feature
extraction method based on Fourier local autocorrelation
(FLAC) features. For anomaly detection, one-class
classification based on an unsupervised clustering approach
is applied in consideration of the wind turbines dynamic
operating conditions and environment. To validate the
proposed system, we conducted experiments using the
vibration data of actual 2 Mega Watt (MW) wind turbines.
The results showed the effectiveness of using the FLAC
features, particularly in the case of the low-speed main
bearing where the conventional method with traditional
features cannot detect the anomalies.