H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 13/00 (2006.01) H02K 3/51 (2006.01) H02K 19/38 (2006.01)
Patent
CA 2075743
ABSTRACT OF THE DISCLOSURE In large electric machines, the electrical connection between the exciter supply lead (7, 8), which extends axially in the center of the rotor, and the exciter winding conductors (4) in the winding overhang (3) of the rotor is highly stressed electrically and mechanically. If use is made of an elastic exciter terminal stud (13) made from steel, and the connecting conductors (17, 18) are supported between the exciter terminal stud (13) and the conductors (4) of the rotor winding overhang on the rotor cap, preferably on its cap plate (6), excessive stresses occur neither on the shaft (2) nor on the connecting conductors (17, 18). It is preferable in this arrangement to make use of a terminal stud (13) that is slotted in the longitudinal direction of the stud and has at least three slots. Such a stud is elastic transversely to its longitudinal direction and can be purposively cooled. (Figure 1)
Haditsch Werner
Paul Rudolf
Schollhorn Karl
Asea Brown Boveri Ltd.
Swabey Ogilvy Renault
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