SWITCH GEAR STATION

Title:

SWITCH GEAR STATION

Document Type and Number:

WIPO Patent Application WO1999029014

Kind Code:

A9

Abstract:

A switch gear station comprises at least one switch gear (46) and at least one rotating electric machine (44) for high voltage. The machine comprises at least one winding including at least one electric conductor. The conductor has an insulation system comprising an insulation formed by a solid insulation material and, inwardly of the insulation, an inner layer having an electric conductivity which is lower than the conductivity of the electric conductor but sufficient to cause the inner layer to operate for equalisation as concerns potential and, accordingly, equalisation as concerns the electric field exteriorly of the inner layer. This design of the conductor enables direct connection of the winding of the rotating electric machine to a voltage power network.

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Inventors:

LEIJON MATS (SE)
WALFRIDSSON LARS (SE)

Application Number:

PCT/SE1998/002149

Publication Date:

July 27, 2000

Filing Date:

November 27, 1998

Export Citation:

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Assignee:

ABB AB (SE)
LEIJON MATS (SE)
WALFRIDSSON LARS (SE)

International Classes:

H01B7/02; H02B1/00; H02B1/20; H02K3/40; (IPC1-7): H02K3/00; H02B1/00

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