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Patent

Method and device for controlling the magnetic flux with an auxiliary winding in a rotating high voltage electric alternating current machine

TLDR
A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation, is described in this article.
Abstract
A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation. At least one of the windings is a conductor surrounded by a magnetically permeable, field confining insulation system.

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Citations
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Patent

Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine

TL;DR: A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation, is described in this article.
Patent

Transformer with voltage regulating means

TL;DR: In this article, a power transformer with voltage regulating means is described, and the transformer comprises regulating windings made of a flexible conductor having electric field containing means forcing the electric field due to the electric current int the winding to be contained within the flexible conductor.
Patent

Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor

TL;DR: In this article, the stator of a high-voltage generator is designed to ensure uniform current distribution, to counteract eddy-current losses and to ensure that the inner semiconducting layer of the insulation system has the same potential during operation as the strand layers (K1-K4).
Patent

Power transformer/inductor

TL;DR: In this paper, a power transformer/inductor consisting of at least one winding is designed by means of a high voltage cable, comprising an electric conductor, and around the conductor there is arranged a first semiconducting layer (14), around the first SVC layer, there is an insulating layer (16), and around this layer there is a second SCC layer (18), which is directly earthed at both ends of each winding.
Patent

Turbo generator plant with a high voltage electric generator

TL;DR: In this paper, the magnetic circuit of the turbo-generator is included in an electric generator which directly supplies a high supply voltage of 20-800 kV, preferably higher than 36 kV.
References
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Patent

Doubly salient variable reluctance machine with stationary permanent magnets or auxiliary field windings

TL;DR: The doubly-salient machines as discussed by the authors are a class of machines which incorporate a specific stator/rotor pole arrangement to provide a linearly increasing flux linkage over the entire area of pole overlap.
Patent

Electric cable for use as phase winding for linear motors

TL;DR: An electric cable to be used as phase winding of a three-phase alternating current winding for linear motors is described in this paper, where the cable has a compacted, soft-annealed stranded conductor on which a conductive layer (7) is firmly anchored.
Patent

Single phase variable speed motor - driving ventilator fan or centrifugal pump has variable part of auxiliary winding in series with main winding

TL;DR: In this article, the main and auxiliary windings are connected in series with a tap-off connection to obtain perpendicular magnetic fluxes, together providing a rotary magnetic field, which is used to drive an axial or centrifugal fan, or to drive a centrifugal pump.