摘要 |
<p>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.</p> |