| (11) | EP 3 885 729 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | TORQUE ESTIMATION DEVICE, TORQUE ESTIMATION METHOD, AND TORQUE ESTIMATION PROGRAM |
(57) A torque estimation device (8) includes: a current value obtaining unit (7) for obtaining a current value of a drive unit (30) of an actuator (3) included in a wind turbine (101); a storage unit (81) storing correspondence information representing correspondence between a torque occurring in a drive shaft (33) of the drive unit (30) and the current value; and an estimation unit (83) for estimating the torque occurring in the drive shaft (33) based on the current value obtained by the current value obtaining unit (7) and the correspondence information.
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