| CPC F03D 13/112 (2023.08) [F03D 13/139 (2023.08); F03D 13/201 (2023.08); F03D 80/88 (2016.05); F16F 15/0232 (2013.01); F05B 2230/604 (2013.01); F05B 2230/61 (2013.01); F05B 2260/964 (2013.01)] | 14 Claims |

|
1. A method for installing at least one damper unit in a tower section of a wind turbine tower, the tower section having a centre axis extending in a longitudinal direction of the tower section, the method comprising the steps of:
arranging the tower section so that the centre axis is in a substantially horizontal orientation,
introducing a guiderail into the tower section, via an end of the tower section, in such a manner that part of the guiderail is arranged inside the tower section and part of the guiderail extends out of the tower section,
mounting a trolley on a part of the guiderail extending out of the tower section, and mounting the damper unit on the trolley,
moving the trolley with the damper unit along the guiderail to a position inside the tower section,
positioning the damper unit in an installation position being vertically offset from the centre axis of the tower section, wherein the positioning comprises elevating the damper unit while the damper unit is positioned inside the tower section, and
attaching the damper unit to the tower section at the installation position.
|