Arrangement for cooling a superconducting field winding and a damper shield of the rotor of an electric machine
Patent
·
OSTI ID:5580665
A cooling arrangement is disclosed for a superconducting field winding of an electric machine, especially a turbo-generator. It has a coolant space which contains a cryogenic coolant fed into it via a feed line, for cooling the field winding, and a coolant supply chamber which contains liquid coolant for cooling a damper shield. So that no separate feed and discharge lines are required for cooling the damper shield independently of the cooling of the field winding, the coolant supply chamber is connected directly to the coolant feed line via a radial connecting line, and the flow cross sections of the connecting line and of the section of the coolant feed line between the connecting head and the connecting point of the connecting line are made large.
- Assignee:
- Siemens Aktiengesellschaft (Germany, Federal Republic Of)
- Patent Number(s):
- US 4396847
- OSTI ID:
- 5580665
- Country of Publication:
- United States
- Language:
- English
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