Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-11-01
2005-11-01
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S045000, C174S127000, C156S052000
Reexamination Certificate
active
06960859
ABSTRACT:
A Roebel bar (10) for an electrical machine comprises a plurality of essentially parallel, transposed conductor elements (11, 12, 13), which, lying over and/or next to one another, form a bar with an essentially rectangular cross section, which is surrounded on the outside by an insulation (19) and has between the insulation (19) and the conductor elements (11, 12, 13) means (14, 14′; 15, 15′; 17, 18) for forming an inner corona protection (ICP).In the case of such a Roebel bar, particularly effective inner corona protection is achieved by the fact that the means for inner corona protection comprise preformed, angled profiles (17, 18) of an electrically conducting material, which, running in the longitudinal direction of the Roebel bar (10), enclose the edges of the bar formed by the conductor elements (11, 12, 13), and to which the insulation (19) is applied.
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Baumann Thomas
Klee Peter
Alstom Technology LTD
Cermak Adam J.
Cermak & Kenealy LLP
Mullins Burton
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