System for thermal management in electrical machines

1. A component of an electrical machine, the component comprising:

a magnetic core comprising teeth defining a plurality of slots, wherein each slot from the plurality of slots is defined between corresponding pair of adjacent teeth;

a conduction winding wound around each tooth of the teeth such that each slot accommodates two conduction windings; and

a heat dissipating element disposed in a slot of the plurality of slots between the two conduction windings, wherein the heat dissipating element comprises a thermally conducting material having an in-plane thermal conductivity higher than a through-plane thermal conductivity and wherein the heat dissipating element comprises a sheet-like element having a largest plane substantially parallel to a radial direction of the component.

2. The component of claim 1 , wherein the thermally conducting material comprises graphite.

3. The component of claim 1 , wherein the heat dissipating element comprises a pair of electrically insulating layers, wherein the sheet-like element is interdisposed between the pair of electrically insulating layers.

4. The component of claim 1 , wherein the sheet-like element comprises a plurality of segments disposed proximate to each other.

5. The component of claim 4 , wherein the plurality of segments are spaced apart from each other by a gap.

6. The component of claim 1 , wherein the component is a rotor.

7. The component of claim 1 , wherein the component is a stator.

8. A component of an electrical machine comprising:

a magnetic core comprising teeth defining a plurality of slots, wherein each slot from the plurality of slots is defined between corresponding pair of adjacent teeth;

a conduction winding disposed in at least one of the plurality of slots; and

a heat dissipating element disposed within the conduction winding, wherein the heat dissipating element comprises a thermally conducting material having an in-plane thermal conductivity higher than a through-plane thermal conductivity.

9. The component of claim 8 , wherein the heat dissipating element comprises a sheet-like element comprising the thermally conducting material.

10. The component of claim 9 , wherein the sheet-like element comprises a plurality of segments disposed proximate to each other.

11. The component of claim 10 , wherein the plurality of segments are spaced apart from each other by a gap.

12. The component of claim 9 , wherein the sheet-like element comprises a plurality of segments disposed at different locations within the conduction winding.

13. A rotor of an electrical machine comprising:

a rotor core comprising a plurality of slots;

a permanent magnet disposed in a slot from the plurality of slots, wherein the permanent magnet comprises a plurality of thin sheets; and

a heat dissipating element interdisposed between a pair of thin sheets from the plurality of thin sheets, wherein the heat dissipating element comprises a thermally conducting material having an in-plane thermal conductivity higher than a through-plane thermal conductivity.

14. The rotor of claim 13 , wherein the heat dissipating element comprises a sheet-like element comprising the thermally conducting material and wherein a largest plane of the sheet-like element is substantially parallel to a radial direction of the component.

15. The rotor of claim 13 , wherein the thermally conducting material comprises graphite.

16. The component of claim 8 , wherein the thermally conducting material comprises graphite.

17. The component of claim 9 , wherein a largest plane of the sheet-like element is substantially parallel to a radial direction of the component.