Excitation winding arrangement for a synchronous electric machin

Details Excitation winding arrangement for a synchronous electric machin Excitation winding arrangement for a synchronous electric machin

1976-09-08

1979-04-10

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310194, 310214, H02K 132

Patent

active

041491009

ABSTRACT:
An excitation winding arrangement is provided for a synchronous electric machine having a rotor with shoeless, salient poles wherein the excitation windings are secured by slot wedges in gaps defined by the poles. Theexcitation winding arrangement includes coils which define the excitation winding and are formed by flat conductors. The flat conductors, either singly or in bundles, are held in spaced relation by respective combs at the bottom of the slots and under the slot wedge to form cooling ducts to achieve good air cooling of the excitation winding in the region of the pole gap.

REFERENCES:
patent: 2844746 (1958-07-01), Coggeshall
patent: 3504207 (1970-03-01), Tjernstrom
patent: 3585276 (1971-06-01), Beckett
patent: 3846651 (1974-11-01), Mishra

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