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BLADE DEFLECTION MONITORING SYSTEM

  • US 20150240787A1
  • Filed: 08/14/2013
  • Published: 08/27/2015
  • Est. Priority Date: 08/17/2012
  • Status: Active Grant
First Claim
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1. A wind turbine blade comprising an airfoil profile body having a pressure side and a suction side, and a leading edge and a trailing edge with a chord length extending therebetween, the blade having a tip end and a root end, the wind turbine blade further comprising:

  • at least one tip communication device located towards said tip end,at least one root communication device located towards said root end, said at least one root communication device in wireless radio communication with said at least one tip communication device via a wireless communication path, to monitor the distance between said at least one tip communication device and said at least one root communication device to determine a movement of said at least one tip communication device relative to said at least one root communication device indicative of a blade deflection, whereinsaid at least one root communication device is provided on at least one bracket projecting from an external surface of said wind turbine blade at said root end, wherein said root communication device is spaced from the external surface of said blade to minimize path loss in the communication path between said at least one tip communication device and said at least one root communication device.

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