7 at the tower side the basic frame 6 is connected with the revolving connection which is not shown here it is clear here that the basic frame 6 is assembled from several segments 8 fig7 shows a main view of a wave shaped basic frame of a nacelle according to the invention fig8 shows a plan view of a wave shaped basic frame of a nacelle according to the invention it is clear here that the contact points 9 of the segments 8 in the present case are disposed above the connecting points 7 on the tower side and below the connecting points 5 at the nacelle side by dividing the basic frame 6 into individual segments 8 it is possible to exchange individual segments 8 which have for example become defective without having to lift off the inventive nacelle completely fig9 shows an isometric view of a nacelle 1 according to the invention which is disposed over the connecting points 7 at the tower side at an inventive revolving connection 10 the inventive revolving connection 10 is supported on the tower 11 and enables the inventive nacelle 1 on the tower 11 to be rotated about the vertical axis of the tower the inventive revolving connection 10 consists of a part 12 on the nacelle side which is configured as a frame 14 and a part 13 on the tower side fastening devices 15 at which rolls 16 which may for example be conventional standard heavy duty rolls are disposed easily exchangeably as bearing forming means are mounted at the part 12 on the nacelle side the part 13 at the tower side advantageously is constructed as a race.