Direct-drive wind turbine generator and bearing structure

Details Direct-drive wind turbine generator and bearing structure Direct-drive wind turbine generator and bearing structure

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 19/54 (2006.01) F03D 11/00 (2006.01) F03D 11/02 (2006.01) F16C 23/06 (2006.01) H02K 7/08 (2006.01) H02K 7/18 (2006.01)

Patent

CA 2730109

A direct-drive wind turbine generator is provided with: a main shaft having one end connected to a rotor head of a wind turbine rotor; a generator having a stator, a stator casing for supporting the stator, and a rotor connected to the other end of the main shaft; first and second bearings positioned between the rotor head and the generator to rotatably support the main shaft; and a torque support for supporting the stator casing. The second bearing is positioned closer to the generator than the first bearing. The first bearing is a bearing with an aligning capability, and the second bearing is a bearing with no aligning capability.

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