Cryogenically cooled electrical machine
A cryogenically cooled electrical machine comprises a superconducting field winding placed inside a hollow rotor surrounded by a cooled magnetic shield and a heat shield. The magnetic shield is arranged within the heat shield and is cooled by a coolant circulating in ducts made in the heat shield, t...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A cryogenically cooled electrical machine comprises a superconducting field winding placed inside a hollow rotor surrounded by a cooled magnetic shield and a heat shield. The magnetic shield is arranged within the heat shield and is cooled by a coolant circulating in ducts made in the heat shield, the heat and magnetic shields being arranged within an evacuated space between the rotor and the shell of the electrical machine. This embodiment of the electrical machine makes it possible to increase the efficiency of thermal protection of the superconducting field winding. |
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