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Cooling system and method for wind turbine components

  • US 7,748,946 B2
  • Filed: 12/09/2008
  • Issued: 07/06/2010
  • Est. Priority Date: 12/09/2008
  • Status: Active Grant
First Claim
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1. A cooling system for a wind turbine, said cooling system used to cool at least one component in said wind turbine, said cooling system comprising:

  • a filter system comprising at least one primary filter and at least one secondary filter, said filter system including a switch to select between said at least one primary filter and said at least one secondary filter;

    a cooling circuit comprised of at least one conduit and a coolant medium;

    a pressure sensing system to sense the pressure differential between an input of the filter system and an output of the filter system, wherein a signal can be sent to the filter system when the pressure differential exceeds a predetermined threshold value, thereby indicating that the at least one primary filter is experiencing reduced flow; and

    wherein said filter system switches from said at least one primary filter to said at least one secondary filter, the switch having a first configuration where the coolant medium is routed through the primary filter but not the secondary filter, and the switch having a second configuration where the coolant medium is routed through the secondary filter but not the primary filter.

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