POLE SHOE
First Claim
Patent Images
1. A pole shoe of an electrical generator of a wind turbine generator system, the pole shoe comprising:
- a winding configured to conduct an electrical current and produce a magnetic field;
a pole shoe body for conducting the magnetic field produced by the winding; and
at least one heat sink at least partially surrounding the pole shoe body for cooling the pole shoe the heat sink being arranged between the pole shoe body and the winding.
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Abstract
The invention relates to a pole shoe of an electrical machine, in particular a rotor of an electrical generator of a wind turbine generator system, comprising a pole shoe body for conducting a magnetic field and for receiving a winding for conducting an electrical current, in particular an excitation current, for producing the magnetic field, and at least one heat sink, entirely or partially surrounding the pole shoe body, for cooling the pole shoe, wherein the heat sink is arranged between the pole shoe body and the winding.
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Citations
16 Claims
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1. A pole shoe of an electrical generator of a wind turbine generator system, the pole shoe comprising:
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a winding configured to conduct an electrical current and produce a magnetic field; a pole shoe body for conducting the magnetic field produced by the winding; and at least one heat sink at least partially surrounding the pole shoe body for cooling the pole shoe the heat sink being arranged between the pole shoe body and the winding. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A generator for transforming kinetic energy into electrical energy, the generator comprising:
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a stator; and a rotor, wherein at least one the stator and the rotor comprises a plurality of pole shoes, each of the pole shoes including; a winding configured to conduct an electrical current and produce a magnetic field; a pole shoe body for conducting the magnetic field produced by the winding; and at least one heat sink at least partially surrounding the pole shoe body for cooling the pole shoe, the heat sink being arranged between the pole shoe body and the winding. - View Dependent Claims (9, 16)
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10. A pole shoe heat sink for cooling a pole shoe, the pole shoe heat sink comprising:
a rigid body configured to carry a winding and to be located around the pole shoe body. - View Dependent Claims (11)
- 12. (canceled)
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13. A method for manufacturing a pole shoe, the method comprising:
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a heat sink on a pole shoe body for cooling a pole shoe so that the heat sink at least partially surrounds the pole shoe body; arranging a winding on the heat sink, the heat sink being arranged between the winding and the pole shoe body.
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Specification