FOUNDATION FIXING UNIT, WIND ENERGY CONVERTER, AND METHOD FOR FIXING A TOWER OF A WIND ENERGY CONVERTER ONTO A FOUNDATION

摘要

Some general aspects of the invention provide a foundation fixing unit (202, 204, 400) for fixing a tower (108) of a wind energy converter (100) onto a foundation (110). The unit comprises a fixation plate (202) fixable to the foundation (110), walls forming at least one tower fixation hole (300) in the intermediate plate (202) for passing a tower fixation bolt (220) through the fixation plate (202) in order to fix the tower (108) to the fixation plate (202), a tower fixation nut (400) arranged below the at least one tower fixation hole (300) for receiving a threaded portion of the tower fixation bolt (220) and a nut cage (204) holding the tower fixation nut (400), the nut cage (204) being attached to a bottom surface (222) of the fixation plate (202). Under further aspects, the invention provides a wind energy converter tower comprising the foundation fixing unit (202, 204, 400) and a method for fixing a wind energy converter tower onto a foundation.