Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-04-15
1994-06-21
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 60A, 310 64, 310179, 310254, H02K 314
Patent
active
053230795
ABSTRACT:
A half-coil for the stator winding of an electrodynamic system such as an electrical generator or motor includes an improved tube stack arrangement and a roebelling configuration which is designed to minimize power loss. The tube stack arrangement includes, in the disclosed embodiment, two central tube stacks and two roebel bars, one on each side of the tube stacks. By this arrangement, the individual strands in the roebel bars do not need to be transposed around the tube stacks, as was the case in prior art configurations utilizing more than one tube stack. The improved roebelling arrangement includes, in the disclosed embodiment, a total 720.degree. transposition, including a 90.degree. transposition in each of the two involute portions. To accomplish the 720.degree. transposition in a limited space, the individual strands are combined into groups of two for a portion of the transposition.
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Nieves Abraham
Ramsay Robert W.
Senic Charles
Jarosik G. R.
Skudy R.
Westinghouse Electric Corp.
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