Exciter current line in the rotor of an electric machine

Details Exciter current line in the rotor of an electric machine Exciter current line in the rotor of an electric machine

1994-09-29

1998-07-07

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 61, 310 68R, 310 67R, H02K 900, H02K 1300

Patent

active

057774080

ABSTRACT:
An arrangement for providing exciter current in the rotor of an electric machine. The rotor winding is connected to the slip rings by exciter current conductors which are arranged in pairs in a central shaft bore of the rotor. The slip rings are arranged on a shaft stub which is connected to the rotor shaft with a releasable coupling. The central shaft bore includes bolt-side connection elements into which radially extending current supply bolts are releasably attached. The exciter current conductors are metallic pipes with an orbicular cross-section which are connected permanently at the other end to solid coupling-side connection elements. The ends of the connection elements penetrate a sealing plate in the coupling and are electrically insulated therefrom. Sealing rings are used to seal the sealing plate with respect to the rotor shaft and the ends of the coupling side connection elements which penetrate the sealing plate.

REFERENCES:
patent: 3363122 (1968-01-01), Hoover et al.
patent: 4014599 (1977-03-01), Bogdanov et al.
patent: 4091299 (1978-05-01), Vitchenko et al.
patent: 4155019 (1979-05-01), Weghaupt
patent: 4210834 (1980-07-01), Weghaupt et al.
patent: 4471249 (1984-09-01), Okamoto et al.
patent: 4740724 (1988-04-01), Sato et al.
patent: 5015895 (1991-05-01), Obley

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