Electrical supply into wind turbine hub
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Jun 20, 2013
filing date -
Jul 2, 2012
priority date (Note) -
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Abstract
The invention provides a wind turbine including a nacelle, a rotor having at least one blade attached to a hub, and an electrical supply structure for supplying electrical power from the nacelle to the rotor. The rotor is rotatably connected to the nacelle about an axis of rotation. The supply structure comprises a switch which has a connected mode in which the nacelle and the rotor are electrically connected, and a disconnected mode in which the nacelle and the rotor are electrically disconnected. Furthermore, the switch is adapted to change from the disconnected mode to the connected mode when the rotor does not rotate.
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