Stable conductive material for high voltage armature bars

Details Stable conductive material for high voltage armature bars Stable conductive material for high voltage armature bars

1998-08-19

2000-03-28

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310215, 310 45, 310196, 310201, 174 15C, H02K 330, H02B 102

Patent

active

060435828

ABSTRACT:
A high voltage generator armature bar (10) that exhibits improved performance by forming one or more of its conductive components from a conductive material that uses a tin oxide-based composition as a conductive filler. The armature bar (10) is of the type having one or more tiers of conductor strands (12), strand insulation (14), conductive internal grading (20), groundwall insulation (22), conductive slot armoring (24), and preferably a transposition filler (18). The conductive internal grading (20), the conductive slot armoring (24) and/or the transposition filler (18) contain a conductive filler of antimony-doped tin oxide that may constitute the entire conductive filler, or can be present as a shell on the filler particles.

REFERENCES:
patent: 3563850 (1971-02-01), Stackhouse et al.
patent: 3856979 (1974-12-01), Schmid
patent: 4020017 (1977-04-01), Smith et al.
patent: 4112193 (1978-09-01), Higuchi et al.
patent: 5723920 (1998-03-01), Markovitz et al.
U.S. application No. 08/770,037, Markovitz et al., filed Dec. 19, 1996.

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