Railways – Car-carried propulsion system – Electric
Patent
1988-06-09
1989-06-20
Cherry, Johnny D.
Railways
Car-carried propulsion system
Electric
246 8, 318135, B60L 1310
Patent
active
048401250
ABSTRACT:
In the operation of railways with long-stator linear motors, the drive energy is to be applied to the vehicle from a distributing sub-station with optimally-low losses. This presumes that the entire line is not constantly supplied with energy, but is only supplied with energy in sub-regions. Only such sub-regions are to be supplied with propulsion energy in a time-suitable manner, dependent on the location of the vehicle. The propulsion traveling wave winding is sub-divided into successive sections that can be supplied with propulsion energy from the distributing sub-stations with the assistance of separate switches. A crossed double line is, likewise, divided into sections and is provided parallel to the sections, the portions of the crossed double line overlapping. The individual sections are connected to a stationary central station, which receives signals output by the vehicle in a section-associated manner. These signals serve the purpose of controlling the switches for the turn-on and turn-off of the propulsion energy.
REFERENCES:
patent: 3740549 (1973-06-01), Thorne-Booth
patent: 4068152 (1978-01-01), Nakamura et al.
patent: 4454457 (1984-06-01), Nakamura et al.
Cherry Johnny D.
Pape Joseph D.
Siemens Aktiengesellschaft
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