High-voltage insulated stator winding

Details High-voltage insulated stator winding High-voltage insulated stator winding

1999-05-13

2000-06-13

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310196, 174127, 156 53, H02K 304

Patent

active

06075303&

ABSTRACT:
In a high-voltage insulated stator winding having at least one stator winding bar (10) for an electrical machine, which stator winding bar (10) is surrounded by winding insulation (13) which comprises a plurality of insulating layers (22) arranged one above the other, in which case each insulating layer (22) is composed of an insulating material arranged on a base (16), in particular in the form of Mica paper (14), improved dielectric utilization (withstand voltage) and improved thermal utilization (heat dissipation) are achieved to an equivalent extent in that a heat-resistant plastic film is used as the base (16), which plastic film is modified by introducing a filler which can resist corona discharges.

REFERENCES:
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Japanese Patent Abstract, Publication No. 04222431, Publication Date Dec. 8, 1992.
European Search Report dated Aug. 20, 1999.
"Neue Plastwerkstoffe und ihre Anwendung in der Elektrotechnik", Ludeck, Elektrie 27 (1973), pp. 89-92.

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