Wind power installation and a tower or tower segment and a door frame for it

摘要

A tower or a tower segment of a wind turbine, having a door for entering the inside of the tower, comprising a door frame, which has a door opening that is preferably closed by a door leaf, and a door frame for a door of a tower of a wind turbine, the frame having a door opening that is preferably closed by a door leaf, and a wind turbine having a tower, a door provided for entering the inside of the tower, and a staircase leading to the door on the outside of the tower, and an air passage opening in at least one advantageous location. The door frame has at least one air passage opening, particularly an air inlet opening.