In the present invention, first three-phase AC power comprising voltage phases which are in phase with power-source power is outputted as operating power by a three-phase transformer (71A) which is one of two three-phase transformers making a pair among three-phase transformers provided for each power-supply line, second three-phase AC power, the voltage phases of which are out of phase by pai/6 with the power-source power, is outputted as operating power by a three-phase transformer (71B) which is the other of the two three-phase transformers making the pair and DC power supplied from a three-phase full-wave rectifier (1) to a common bus (B) is stored by a power storage device (4) of a crane apparatus (10) so that the stored power is supplied to the common bus (B) when the DC power declines.


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    Title :

    Container yard and power supply method


    Contributors:
    KAWAGUCHI MASAHARU (author) / SATO SOSHI (author) / OHI KOJI (author)

    Publication date :

    2015-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B66C Krane , CRANES



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