A TOWER PART FOR A WIND TURBINE, AN APERTURE COVER SYSTEM, AMETHOD FOR MANUFACTURING A TOWER PART AND USES HEREOF

摘要

A tower part for a wind turbine includes at least one wall segment and at least one aperture segment including at least one aperture. The wall segment and the aperture segment are connected and the aperture segment is of a substantially uniform thickness and is thicker than the thickness of the wall segment. The tower part further includes an aperture cover system for covering at least one aperture in a tower part for a wind turbine, including cover plates and attachments for attaching the system to the tower part, where the attachments do not affect the fatigue limit of the tower part.