IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0957715
(2010-12-01)
|
등록번호 |
US-8096765
(2012-01-17)
|
발명자
/ 주소 |
- Fritz, Peter James
- Hardison, Richard
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
3 |
초록
▼
A wind turbine rotor blade includes a plurality of lightning receptors configured along either or both of the pressure side or suction side of the blade. At least one looped lightning conductive circuit is provided, with the lightning receptors configured in communication with a respective lightning
A wind turbine rotor blade includes a plurality of lightning receptors configured along either or both of the pressure side or suction side of the blade. At least one looped lightning conductive circuit is provided, with the lightning receptors configured in communication with a respective lightning conductive circuit. The lightning conductive circuit has terminal ends that extend through the root for connection of each terminal end with a grounding system within the wind turbine. The looped lightning conductive circuit provides a redundant path to each lightning receptor for conducting a lightning strike to ground.
대표청구항
▼
1. A wind turbine rotor blade, comprising: a root, a tip, and a pressure side and a suction side extending between said tip and said root, said pressure side and said suction side defining an internal cavity;a plurality of lightning receptors configured along either or both of said pressure side or
1. A wind turbine rotor blade, comprising: a root, a tip, and a pressure side and a suction side extending between said tip and said root, said pressure side and said suction side defining an internal cavity;a plurality of lightning receptors configured along either or both of said pressure side or said suction side;at least one looped lightning conductive circuit, said lightning receptors configured in communication with a respective said lightning conductive circuit; and,said lightning conductive circuit comprising terminal ends that extend through said root for connection of each said terminal end with a grounding system within a wind turbine;wherein said looped lightning conductive circuit provides a redundant path to each said lightning receptor for conducting a lightning strike to ground. 2. The wind turbine blade as in claim 1, comprising a plurality of said looped lightning conductive circuits, each said lightning conductive circuit comprising a plurality of said lightning receptors. 3. The wind turbine blade as in claim 2, wherein said looped lightning conductive circuits share a common return leg. 4. The wind turbine blade as in claim 1, wherein said terminal ends are configured for connection to the wind turbine grounding system within a hub of the wind turbine. 5. A wind turbine rotor blade, comprising: a root, a tip, and a pressure side and a suction side extending between said tip and said root, said pressure side and said suction side defining an internal cavity;a plurality of lightning receptors configured along either or both of said pressure side or said suction side;at least one looped lightning conductive circuit, said lightning receptors configured in communication with a respective said lightning conductive circuit;said lightning conductive circuit comprising terminal ends that extend through said root for connection of each said terminal end with a grounding system within a wind turbinewherein said looped lightning conductive circuit provides a redundant path to each said lightning receptor for conducting a lightning strike to ground; andwherein said lightning receptors are configured in series within said looped lightning conductive circuit. 6. The wind turbine blade as in claim 5, wherein said looped lightning conductive circuit defines a continuity circuit for said lightning receptors in series within said looped lightning conductive circuit. 7. A wind turbine, comprising: a plurality of turbine blades mounted to a rotor hub, each of said turbine blades comprising a root, a tip, and a pressure side and a suction side extending between said tip and said root;at least one of said turbine blades further comprising a plurality of lightning receptors configured along either or both of said pressure side or said suction side;at least one looped lightning conductive circuit, said lightning receptors configured in communication with a respective said lightning conductive circuit; and,said lightning conductive circuit comprising terminal ends that extend through said root and are each respectively connected to a grounding system within said hub;wherein said looped lightning conductive circuit provides a redundant path to each said lightning receptor for conducting a lightning strike to ground. 8. The wind turbine as in claim 7, comprising a plurality of said looped lightning conductive circuits within said turbine blade, each said lightning conductive circuit comprising a plurality of said lightning receptors. 9. The wind turbine as in claim 8, wherein said looped lightning conductive circuits share a common return leg. 10. A wind turbine, comprising: a plurality of turbine blades mounted to a rotor hub, each of said turbine blades comprising a root, a tip, and a pressure side and a suction side extending between said tip and said root,at least one of said turbine blades further comprising a plurality of lightning receptors configured along either or both of said pressure side or said suction side;at least one looped lightning conductive circuit, said lightning receptors configured in communication with a respective said lightning conductive circuit;said lightning conductive circuit comprising terminal ends that extend through said root and are each respectively connected to a grounding system within said hub;wherein said looped lightning conductive circuit provides a redundant path to each said lightning receptor for conducting a lightning strike to ground; andwherein said lightning receptors are configured in series within said looped lightning conductive circuit. 11. The wind turbine as in claim 10, wherein said looped lightning conductive circuit defines a continuity circuit for said lightning receptors in series within said looped lightning conductive circuit. 12. The wind turbine as in claim 11, wherein each said turbine blade is configured as in claim 11, and further comprising a relay station within said rotor hub for periodic or continuous continuity checking of said lightning receptors within each of said blades.
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