Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1990-05-21
1991-10-01
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Linear
104282, 104284, 318135, H02K 4102, B60L 1306, H02P 701
Patent
active
050536540
ABSTRACT:
A device for driving a vehicle by magnetic levitation includes a synchronous long-stator motor, with a long stator winding extending along a track of the vehicle and subdivided into a plurality of discrete stator winding sections (3.11 to 3.19; 3.21 to 3.29). The vehicle which is movable on the track supports several fixedly mounted exciters cooperating with the stator winding sections. At least one section cable (17, 28) is arranged parallel to a portion of the track and each of its ends is connected to a power sub-station. The section cable has a plurality of consecutive tap points each being connectable via a switching device to an assigned stator winding section. The switching devices are activated when the vehicle runs over the corresponding winding section. To reduce power losses in the section cable, and also to reduce the number of stator winding sections for a given output power of the sub-stations and also to insure a uniform utilization of the available power over the entire track portion, there are provided control means which adjust the ratio of partial current delivered by the respective power sub-stations as a function of the momentary condition of the vehicle and/or as a function of the ratio of a distance (1) of progressively activated stator winding sections from one of the sub-stations, to the length (d) of the section cable between the two sub-stations.
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Thyssen Henschel, New Transportation Technologies, 7/89, The Maglev System.
Raschbichler et al, Neue Verkehrstechnologien-Transrapid-Anwendungsstrecken in der Bundesrepublik Deutschland, 12/89.
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Augsburger Friedemann
Holzinger Gerhard
Loser Friedrich
Von Kuepach Hermann
Haszko Dennis R.
Stephan Steven L.
Striker Michael J.
Thyssen Industrie AG
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