WINDMILL DRIVE DEVICE, WINDMILL DRIVE DEVICE UNIT, AND WINDMILL

摘要

One object is to promptly and accurately sense an abnormal state of a wind turbine driving device. The wind turbine driving device 10 includes a driving device body 20 and a sensor 40. The driving device body 20 is installed in one structure at a movable section of a wind turbine 101. The driving device body 20 includes a meshing portion 24a meshing with a ring gear 107 installed in the other structure at the movable section of the wind turbine. The sensor measures a change in installation state of the driving device body 20 with respect to the one structure.