Stranded conductor for dynamoelectric machines

Details Stranded conductor for dynamoelectric machines Stranded conductor for dynamoelectric machines

1977-04-05

1978-12-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

174 34, H02K 314

Patent

active

041287797

ABSTRACT:
A winding conductor is provided for large dynamoelectric machines, such as turbine generators, consisting of two parallel bars each comprising two stacks of strands transposed between the stacks. The radial flux in the machine causes circulating currents with unequal distribution of current between the two parallel bars of such a conductor, causing excessive heating in one of the bars. The two bars of each conductor are, therefore, made of different cross-sectional areas substantially proportional to the different currents, so that in normal operation, the current density is the same in both bars and overheating is prevented.

REFERENCES:
patent: RE27489 (1972-09-01), Brenner
patent: 2896102 (1959-07-01), Bucklew
patent: 3188377 (1965-06-01), Hughes
patent: 3280244 (1966-10-01), Pannen
patent: 3381154 (1968-04-01), Madsen
patent: 3647932 (1972-03-01), Heller

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