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- W4380881489 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> The characteristics of a pitch controller determine how the wind turbine reacts to different wind conditions. Control strategies like individual pitch control are known for their ability to reduce the amplitudes of load cycles of the structures of the wind turbine while influencing the operation conditions of the blade bearings in a challenging way. However, the control strategy is not the only influencing factor with respect to failure modes of blade bearings like wear and raceway fatigue. The site-specific and stochastic wind conditions can cause wear-critical operating conditions, which are usually not reflected in the rather short time frames of aeroelastic simulations. This work analyses wind and operating conditions regarding their influence on wear in blade bearings. It is based on measured wind conditions and the modelled behavior of the IWT-7.5-164 reference wind turbine with respect to its pitch activity. The simulation data is used to determine the longest period of uninterrupted wear-critical operation and create a test program based on it for scaled and real-size blade bearings. Experimental results based on this test program show that wear-critical operation conditions can occur during normal operating of a wind turbine and cause wear damage to the bearing raceways." @default.
- W4380881489 created "2023-06-17" @default.
- W4380881489 creator A5070790339 @default.
- W4380881489 date "2023-06-16" @default.
- W4380881489 modified "2023-09-30" @default.
- W4380881489 title "Comment on wes-2023-51" @default.
- W4380881489 doi "https://doi.org/10.5194/wes-2023-51-rc2" @default.
- W4380881489 hasPublicationYear "2023" @default.
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