The invention provides a crane apparatus, a container yard, and a power supply method. A crane apparatus provides full-wave rectification of three phase AC power (11A) supplied from a ground power facility with a three-phase full-wave rectifier (21); supplies a common bus (B) with acquired DC power (12A); outputs three-phase AC power (11B) with a voltage phase shifted by [pi]/6 with respect to the three-phase AC power (11A) with a [delta]-Y connected three-phase transformer (2); provides full-wave rectification of three phase AC power (11B) output from the three-phase transformer (2) with a three-phase full-wave rectifier (22); and supplies the common bus (B) with acquired DC power (12B).
Crane apparatus, container yard, and power supply method
2015-12-02
Patent
Electronic Resource
English
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 / B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / B66C Krane , CRANES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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