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METHOD FOR TEMPERATURE CALIBRATION OF BLADE STRAIN GAUGES AND WIND TURBINE ROTOR BLADE CONTAINING STRAIN GAUGES
METHOD FOR TEMPERATURE CALIBRATION OF BLADE STRAIN GAUGES AND WIND TURBINE ROTOR BLADE CONTAINING STRAIN GAUGES
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机译:叶片应变计和含应变计的风轮转子叶片温度标定方法。
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摘要
A method for temperature calibration of a strain sensor for a rotor blade of a wind turbine is provided, the method including operating the wind turbine in a mode in which substantially no bending of the rotor blade due to wind occurs, repeatedly measuring gravitationally induced bending moments of the rotor blade for a plurality of temperatures measured at the place of the strain sensor, determining a temperature dependency of the strain sensor on the temperature, calibrating the strain sensor based on the determined temperature dependency of the strain sensor such that the temperature dependency of the strain sensor is compensated.
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