Method and arrangement to install a wind-turbine

摘要

The invention relates to an arrangement and a method to install a wind-turbine. At least one blade of the wind-turbine is attached firm but detachable with the tower by a fixture. The tower and the attached blade are transported to a planned site. The tower and the attached blade are brought together into an upright position in a single lift-action. A hub and a nacelle of the wind-turbine are mounted on the top of the tower. A wire of a winch, which is located inside the nacelle or the hub, is connected with the a root of the blade. The blade is detached from the tower by unlocking the fixture. The blade is lift up to the hub for its attachment there.