Offshore floating type wind turbine generator foundation motion monitoring method based on current signals
A current signal and wind turbine technology, applied to floating buildings, wind power generation, ships, etc., can solve the problems of increasing the cost of monitoring system equipment and difficult to effectively guarantee the reliability of monitoring
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[0044] In this embodiment, the foundation motion of the wind turbine refers to the obvious dynamic spatial displacement generated by the floating foundation of the offshore floating wind turbine, and the foundation motion of the wind turbine is hereinafter referred to as the foundation motion. The transmission chain is the core transmission structure component used to transmit force and motion in the wind turbine. It is also a typical transmission chain electromechanical coupling system driven by multi-stage gear transmission to drive the generator to generate electricity. The basic movement will cause the mechanical vibration of the system and change the current of the generator. characteristic. The generator current signal itself is often used as one of the state monitoring variables of wind turbines, which has the advantages of high stability and convenient measurement. In this embodiment, the functional relationship between "basic motion-mechanical vibration-current signal...
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