A method for real-time prediction of the risk of tower sweeping when blades pass through the tower
A real-time prediction and blade technology, which is applied in the control of wind turbines, the monitoring of wind turbines, the configuration of installation/supporting wind turbines, etc., can solve the problem of increased cost of wind turbines, lasers are easily affected by the external environment, measurement distance and measurement accuracy Reduce problems such as easy installation and maintenance, avoid tower sweeping accidents, and improve reliability
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[0043] In order to clearly illustrate the specific implementation manners of the present invention, the exemplary embodiments of the present invention will now be described in detail in conjunction with the accompanying drawings.
[0044] The invention provides a method for real-time prediction of tower sweep risk when blades pass through the tower, the method comprising the following steps:
[0045] In the first step, the millimeter-wave radar is installed at a preset position at the tail of the wind turbine nacelle, and the normal of the millimeter-wave radar is adjusted so that the beam of the millimeter-wave radar can illuminate a designated area within the blade rotation plane. The preset position is the outer side of the lower surface of the tail of the nacelle, and the designated area is the tip prebend part of the blade.
[0046] refer to figure 1In this exemplary embodiment, the millimeter-wave radar 2 is fixedly connected to the nacelle frame 3 by using the bracket ...
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