Stator winding insulation

Details Stator winding insulation Stator winding insulation

1998-04-15

2000-10-31

Reichard, Dean A.

Electricity: conductors and insulators

Insulators

174110R, 174113R, 174137A, 174137R, H01B 1700

Patent

active

061405906

ABSTRACT:
A stator winding insulation for improving the dielectric and thermal properties of a main insulation of a conductor bar of an electric machine. The stator winding insulation includes a mica band having at least one layer-like carrier composed of longitudinal threads and transverse threads and a mica-containing layer fixed to at least one face of the carrier with the aid of a binder. In the layer-like carrier, the volume ratio of the longitudinal threads to the transverse threads is greater than or equal to 2.5:1 and a weight ratio of the mica in the mica-containing layer to the layer-like carrier in the mica band is greater than or equal to 6:1.

REFERENCES:
patent: 3168434 (1965-02-01), Heyman
patent: 4085250 (1978-04-01), Smith
patent: 4606785 (1986-08-01), Zeise
patent: 4806806 (1989-02-01), Hjortsberg et al.
patent: 5540969 (1996-07-01), Schuller
"Isolierstoffe fur die Elektrotechnik, insbesondere fur den Elektromaschinenbau", Scheffold, pp. 328-333, No Date.
"Novomikaband 200--Kunstharzisolierung fur Hochspannungsmaschinen", Haase, et al., ELEKTRIE Heft 4 (1967), pp. 137-140.
"Herstellung der Wicklungen elektrischer Maschinen", Sequenz, pp. 62-63, No Date.

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