Wind turbine tower segment, wind turbine and method for erecting a wind turbine

Abstract

A wind turbine tower segment for wind turbines is provided that includes a wind turbine tower segment body having a longitudinal axis; and a first and a second end; wherein the surface of at least one of the first and the second end is not perpendicular to the longitudinal axis of the wind turbine tower segment. Further, a wind turbine having such a wind turbine tower segment is provided. The method includes providing a second wind turbine tower segment having a longitudinal axis and a first and a second end, wherein the surface of at least one of the first and the second end is not perpendicular to the longitudinal axis of the wind turbine tower segment; and mounting the second wind turbine tower segment to a first wind turbine tower segment.

1 . Wind turbine tower segment for wind turbines, comprising:
 a wind turbine tower segment body having a longitudinal axis; and,   a first and a second end;   wherein the surface of at least one of said first and said second end is non-perpendicular with respect to said longitudinal axis of said wind turbine tower segment.   
     
     
         2 . Wind turbine tower segment according to  claim 1 , wherein the surfaces of both said first and said second end are non-perpendicular with respect to said longitudinal axis of said wind turbine tower segment. 
     
     
         3 . Wind turbine tower segment according to  claim 2 , wherein the non-perpendicular surfaces of said first and said second end are positioned at opposite ends of said wind turbine tower segment. 
     
     
         4 . Wind turbine tower segment according to  claim 1 , wherein the angle between said longitudinal axis and said non-perpendicular surface is at least 3°. 
     
     
         5 . Wind turbine tower segment according to  claim 1 , wherein at least one of said first and said second end is formed by an inclined flange. 
     
     
         6 . Wind turbine tower segment according to  claim 1  wherein said wind turbine tower segment comprises a door. 
     
     
         7 . Wind turbine tower segment according to  claim 3 , wherein the angles between said longitudinal axis and said non-perpendicular surfaces at said opposite ends of said wind turbine tower segment differ from each other. 
     
     
         8 . Wind turbine tower segment according to  claim 1 , wherein the length of the wind turbine tower segment is a maximum of 5 meters. 
     
     
         9 . Wind turbine comprising at least one wind turbine tower segment, said wind turbine tower segment comprising:
 a wind turbine tower segment body having a longitudinal axis; and,   a first and a second end;   wherein the surface of at least one of said first and said second end is non-perpendicular with respect to said longitudinal axis of said wind turbine tower segment.   
     
     
         10 . Wind turbine according to  claim 9 , wherein the surfaces of both said first and said second end are non-perpendicular with respect to said longitudinal axis of said wind turbine tower segment. 
     
     
         11 . Wind turbine according to  claim 9 , wherein at least one of said first and said second end is formed by an inclined flange. 
     
     
         12 . Wind turbine according to  claim 9 , wherein the angle between said longitudinal axis and said non-perpendicular surface is at least 3°. 
     
     
         13 . Wind turbine according to  claim 9 , wherein the length of said wind turbine tower segment is a maximum of 10 meters. 
     
     
         14 . Wind turbine according to  claim 9 , comprising two wind turbine tower segments each having a longitudinal axis and at least one end with the surface of said end being non-perpendicular with respect to said longitudinal axis. 
     
     
         15 . Method for erecting a wind turbine, comprising:
 providing a first wind turbine tower segment having a longitudinal axis;   providing a second wind turbine tower segment having a longitudinal axis and a first and a second end, wherein the surface of at least one of said first and said second end is non-perpendicular with respect to said longitudinal axis of said wind turbine tower segment; and   mounting said second wind turbine tower segment to said first wind turbine tower segment.   
     
     
         16 . Method according to  claim 15 , further comprising at least one of:
 measuring the deviation angle of said longitudinal axis of said first wind turbine tower segment with respect to the vertical; and   measuring the deviation angle of the surface of the upper end of said first wind turbine tower segment with respect to the horizontal.   
     
     
         17 . Method according to  claim 16 , wherein the angle between said longitudinal axis of said second wind turbine tower segment and said surface of at least one of said first and said second end of said second wind turbine tower segment corresponds to the measured deviation angle of the first wind turbine tower segment. 
     
     
         18 . Method according to  claim 15 , wherein at least two of the first wind turbine tower segment, the second wind turbine tower segment, and further wind turbine tower segments have at least one end the surface of which is non-perpendicular with respect to the longitudinal axis of the wind turbine tower segment, and the method further comprising:
 pivoting at least one of the wind turbine tower segments with respect to the other wind turbine tower segments.   
     
     
         19 . Method according to  claim 15 , further comprising:
 submerging said first wind turbine segment into the ground.   
     
     
         20 . Method according to  claim 19 , further comprising:
 positioning an adaptor on top of the first wind turbine segment; and   exerting force on the adaptor.