Wind turbine tower with an elevator system

1. A tower for a wind turbine, comprising:

an elevator system, the elevator system including a plurality of guide wires to guide an elevator cabin, the plurality of guide wires being connected to a guide wire fixture arrangement, wherein the elevator cabin includes an elevator frame, the guide wire fixture arrangement being connected to the elevator frame;

a platform that is arranged perpendicular to a longitudinal axis of the tower in an area of a lower end of the tower, the platform including an opening that is prepared and arranged in a way to allow the plurality of guide wires to pass through the opening, wherein the platform comprises a connection mechanism to detachably connect the guide wire fixture arrangement to the platform during transportation and installation of the tower; and

a hoist system operably connected to the platform, the hoist system configured to lower an elevator frame and the guide wire fixture arrangement through the opening in the platform into a space below the tower to extend the plurality of guide wires through the opening in the platform;

wherein, when the guide wire fixture arrangement is raised by the hoist system and connected to the platform, the plurality of guide wires lose tension.

2. The tower according to claim 1 , wherein the elevator frame is connected to the guide wire fixture arrangement.

3. The tower according to claim 1 , wherein a protection railing is arranged at least partially around the opening in the platform.

4. The tower according to claim 1 , wherein the guide wire fixture arrangement comprises a plurality of attachment points that are prepared and arranged in a way to be used with the connection means to attach the guide wire fixture arrangement to a second platform to tension the plurality of guide wires.

5. A method of installing the wind turbine tower of claim 1 on a foundation at an installation, the method comprising the steps of:

preparing the wind turbine tower for transportation to the foundation;

transporting the wind turbine tower to the foundation;

connecting the wind turbine tower to the foundation;

disconnecting the guide wire fixture arrangement from the platform of the tower; and

lowering the guide wire fixture arrangement through the opening in the platform.

6. The method according to claim 5 , wherein preparing includes:

temporarily connecting the tower onto a support arrangement; and

connecting the guide wire fixture arrangement to the support arrangement.

7. The method according to claim 5 , wherein preparing includes f:

adjusting a length of the plurality of guide wires to achieve a certain predetermined tension of the plurality of guide wires.

8. The method according to claim 5 , wherein preparing includes: testing and approving the elevator system of the wind turbine tower.

9. The method according claim 5 , wherein transporting includes:

disconnecting the guide wired fixture arrangement from the support arrangement;

hoisting the guide wire fixture arrangement up to the tower by the hoist system; and

attaching the guide wire fixture arrangement to the tower.

10. The method according to claim 5 , comprising the additional steps of:

connecting the guide wired fixture arrangement to the foundation.