Arrangement for cooling an electric machine

Details Arrangement for cooling an electric machine Arrangement for cooling an electric machine

1975-10-30

1980-08-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

62505, H02K 900

Patent

active

042163986

ABSTRACT:
An arrangement for cooling an electric machine such as a turbo generator having a rotor with an excitation winding which must be cooled to a low temperature, the excitation winding concentrically surrounded by a cooled damper winding in which separate cooling loops are provided for cooling the excitation winding, the damper winding and the current supply and/or discharge lines to permit the refrigeration power necessary to remove losses to be adapted to the actual losses in the machine and to be kept relatively small.

REFERENCES:
patent: 2675493 (1954-04-01), Grobel
patent: 2970232 (1961-01-01), Kilbourne
patent: 2975308 (1961-03-01), Kilbourne
patent: 3470396 (1969-09-01), Kafka
patent: 3626717 (1971-12-01), Lorch
patent: 3644766 (1972-02-01), Hughes
patent: 3657580 (1972-04-01), Doyle
patent: 3679920 (1972-07-01), MacNab
patent: 3711731 (1973-01-01), Pluschke
patent: 3761752 (1973-09-01), Anderson
patent: 3816780 (1974-06-01), Smith
patent: 3904901 (1975-09-01), Renard
patent: 3922573 (1975-11-01), Pluschke
patent: 3934163 (1976-01-01), Mailfert
patent: 3940643 (1976-02-01), Sika
patent: 3942053 (1976-03-01), Abolins

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