The present invention relates to a wind turbine including a tower, a nacelle arranged on top of the tower and a slip ring assembly having at least one slip ring, wherein a first cable is extending from the nacelle to the tower via an interior bore of the slip ring assembly, and at least one second c
The present invention relates to a wind turbine including a tower, a nacelle arranged on top of the tower and a slip ring assembly having at least one slip ring, wherein a first cable is extending from the nacelle to the tower via an interior bore of the slip ring assembly, and at least one second cable is extending from the nacelle to the tower via the at least one slip ring, whereby a shielding distance is formed between an outer periphery of said first cable and an inner circumference of the at least one slip ring. The present invention further relates to use of a slip ring assembly comprising at least one slip ring for shielding cables in a wind turbine.
대표청구항▼
1. A wind turbine comprising a tower, a nacelle arranged on top of said tower and a slip ring assembly having at least one slip ring, wherein a first cable is extending from the nacelle to the tower via an interior bore of the slip ring assembly, and at least one second cable is extending from the n
1. A wind turbine comprising a tower, a nacelle arranged on top of said tower and a slip ring assembly having at least one slip ring, wherein a first cable is extending from the nacelle to the tower via an interior bore of the slip ring assembly, and at least one second cable is extending from the nacelle to the tower via said at least one slip ring, whereby a shielding distance is formed between an outer periphery of said first cable and an inner circumference of said at least one slip ring. 2. The wind turbine according to claim 1, wherein said at least one second cable is extending from the nacelle to the tower via said at least one slip ring by a first portion of said at least one second cable being connected to a first terminal of said at least one slip ring, and a second portion of said at least one second cable being connected to a second terminal of said slip ring assembly. 3. The wind turbine according to claim 2, wherein said second terminal is arranged on a stationary part of said slip ring assembly. 4. The wind turbine according to claim 1, wherein said shielding distance between a circumference of said interior bore and the outer periphery of said first cable is at least 130 mm. 5. The wind turbine according to claim 1, wherein the shielding distance is ensured by a distance member extending between the slip ring assembly and said first cable. 6. The wind turbine according to claim 1, wherein the slip ring assembly is of a barrel type or of a face type. 7. The wind turbine according to claim 1, wherein the slip ring assembly is attached to the nacelle. 8. The wind turbine according to claim 7, wherein the slip ring assembly is attached to a cable tray adapted to support said first cable. 9. The wind turbine according to claim 1, wherein the slip ring assembly is attached to the tower. 10. The wind turbine according to claim 1, wherein said slip ring assembly comprises said at least one slip ring and a stationary part, said at least one slip ring being attached to the nacelle and said stationary part being attached to the tower. 11. The wind turbine according to claim 1, wherein said at least one second cable is guided away from said first cable after having passed the slip ring assembly. 12. The wind turbine according to claim 1, wherein the first cable is a high voltage cable. 13. Use of a slip ring assembly comprising at least one slip ring for shielding cables in a wind turbine, wherein a first cable is extending through an interior bore of the slip ring assembly, and at least one second cable is extending via said at least one slip ring, whereby a shielding distance is formed between an outer periphery of said first cable and an inner circumference of said at least one slip ring. 14. Use of a slip ring assembly according to claim 13, wherein said at least one second cable is extending via said at least one slip ring by a first portion of said at least one second cable being connected to a first terminal of said at least one slip ring, and a second portion of said at least one second cable being connected to a second terminal of said slip ring assembly. 15. Use of a slip ring assembly according to claim 13, wherein the first cable is a high voltage cable. 16. A wind turbine comprising: a tower;a nacelle arranged on top of the tower; anda slip ring assembly having at least one slip ring,wherein a first cable extends from the nacelle to the tower via an interior bore of the slip ring assembly such that the first cable is electrically isolated from the at least one slip ring by a shielding distance formed between an outer periphery of the first cable and an inner circumference of the at least one slip ring, andwherein the at least one second cable includes an incoming second cable portion extending from the nacelle to the at least one slip ring and an outgoing second cable portion extending from the at least one slip ring to the tower such that the incoming and outgoing second cable portions are electrically coupled via the at least one slip ring. 17. A method of arranging a first cable and a second cable from a nacelle to a tower of a wind turbine using a slip ring assembly having at least one slip ring and an interior bore, comprising: extending the first cable through the interior bore of the slip ring assembly such that a shielding distance is formed between the outer periphery of the first cable and an inner circumference of the at least one slip ring so that the first cable is electrically isolated from the at least one slip ring; andextending the second cable via the at least one slip ring, wherein an incoming second cable portion extends from the nacelle to the at least one slip ring and an outgoing second cable portion extends from the at least one slip ring to the tower, the incoming and outgoing second cable portions being electrically coupled by the at least one slip ring. 18. The method according to claim 17, further comprising maintaining the shielding distance between the outer periphery of the first cable and an inner circumference of the at least one slip ring using a distance member. 19. The method according to claim 17, wherein extending the at least one second cable via at least one slip ring associated with the slip ring assembly comprises the steps of connecting the incoming second cable portion to a first terminal of the at least one slip ring and connecting the outgoing second cable portion to a second terminal of the slip ring assembly. 20. The method according to claim 17, further comprising guiding the first cable away from the second cable after it has passed through the slip ring assembly.
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이 특허에 인용된 특허 (2)
Rossman Wendell E. (3137 N. 53rd St. Phoenix AZ 84018), Horizontal axis wind energy conversion system with aerodynamic blade pitch control.
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