DC POWER SUPPLY SYSTEM

DC POWER SUPPLY SYSTEM

Embodiments of the present disclosure provide a direct current (DC) power supply system, comprising: a medium voltage AC switchgear, configured to distribute a medium voltage three-phase AC received from an external supply for a next stage; a phase-shift transformer serving as the next stage, couple...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAN LIHAO, YAN CHAO, SUN LIPING
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:Embodiments of the present disclosure provide a direct current (DC) power supply system, comprising: a medium voltage AC switchgear, configured to distribute a medium voltage three-phase AC received from an external supply for a next stage; a phase-shift transformer serving as the next stage, coupled to the medium voltage AC switchgear, and configured to lower the medium voltage three-phase received and output four or more groups of low voltage three-phase AC; and an uncontrolled rectifying circuitry, comprising a plurality of uncontrolled rectifiers configured to receive the four or more groups of low voltage three-phase AC respectively and output a low voltage DC; wherein the four or more groups of low voltage three-phase AC have a predetermined phase difference between each other.