The DC power supply device according to the invention comprises: a transformer (1) having a primary side (5) and a secondary side (6); a diode rectifier (2) connected at its input side to the secondary side (6) of the transformer (1); an inverter (3) connected at its output side to the secondary side (6) of the transformer (1); and a controller (4). The inverter (3) is controlled by the controller (4) to generate reactive power and/or harmonics onto the secondary side (6) of the transformer (1) so as to regulate the DC voltage at the output side of the diode rectifier (2) to a target value. The controller (4) receives at its input side at least one DC signal outputted by the diode rectifier (2) and uses the at least one DC signal to control the inverter (3).
DC POWER SUPPLY DEVICE AND RAILWAY SUBSTATION INCORPORATING IT
2023-08-03
Patent
Elektronische Ressource
Englisch
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |
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