Device and method for direct current power supply to a traction

Details Device and method for direct current power supply to a traction Device and method for direct current power supply to a traction

1997-08-29

1999-03-23

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Having plural converters for single conversion

318107, H02M 7217, H02P 154

Patent

active

058868895

ABSTRACT:
A device and a method are disclosed for direct current voltage power supply to a traction system by means of converters from different alternating current or direct current voltages available on a power supply line. The power supply device is supplied with power by means of a first power supply element and a second power supply element connected to the power supply line. In this supply device the first power supply element is connected to the primary winding of the power supply transformer by a first connection element. The second power supply element is connected either to the power supply terminal of the traction system or to the mid-point of the series converters by a second connection element.

REFERENCES:
patent: 5267137 (1993-11-01), Goebel
patent: 5398182 (1995-03-01), Crosby
patent: 5460244 (1995-10-01), Tanahashi
patent: 5576940 (1996-11-01), Steigerwald et al.
patent: 5629591 (1997-05-01), Thevenon

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