Applicant: Vestas Wind Systems A/a, Denmark
A computer-implemented method of monitoring at least one operational parameter of one or more devices relating to a wind turbine is described. It involves the steps of obtaining measurement data of at least one operating parameter of the devices, and comparing a first value of this operating parameter with a second value of this operating parameter, and emitting a signal in the case when the first value deviates from the second one by more than a predetermined amount. The devices may be installed at a location and divided into different groups according to characteristics, such as the type of gearbox used in the turbine. Operating parameters include, for example, the generator temperature or gearbox oil pressure.
Patent number: WO/2009/016020
Inventor: P. Happy
Publication date: 5 February 2009
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