Arrangement for cooling a super conducting field winding and a d

Details Arrangement for cooling a super conducting field winding and a d Arrangement for cooling a super conducting field winding and a d

1981-05-20

1983-08-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 61, 310 64, H02K 900

Patent

active

043968473

ABSTRACT:
A cooling arrangement for a superconducting field winding of an electric machine, especially a turbo-generator, 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.

REFERENCES:
patent: 3942053 (1976-03-01), Abolins et al.
patent: 4204134 (1980-05-01), Fritz et al.
patent: 4228374 (1980-10-01), Elsel
patent: 4267474 (1981-05-01), Kullmann
patent: 4278906 (1981-07-01), Kullmann
patent: 4297603 (1981-10-01), Weghaupt
patent: 4315172 (1982-02-01), Intichar et al.
patent: 4323800 (1982-04-01), Hoffmann
"Proceedings of the 1979 Cryogenic Engineering Conference", Madison Wisc., U.S.A., 8/21-24/79, Paper 1c g, pp. 1-16; M. T. Brown, M. E. Crawford, and J. L. Smith, Jr.

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