Invention Grant
US09041233B2 Ice detection method and system for wind turbine generators using sun radiation sensors 有权
使用太阳辐射传感器的风力发电机的冰检测方法和系统

Ice detection method and system for wind turbine generators using sun radiation sensors
Abstract:
The present invention defines a system and method aiming at measuring the direct solar radiation received by a wind turbine generator in order to detect ice formation. The measured value is subsequently compared to a theoretical radiation curve wherein measured values on a cloudy day will be well below theoretical curves. Ice detection is made considering the presence of clouds and temperature. Measured parameters are preferably the direct sun radiation transmittance and ambient temperature.
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