To provide an emergency power source device for a crane, a crane system, and an emergency power supply method each of which enables a crane device to be quickly supplied with emergency power when the crane device cannot be supplied with normal power.SOLUTION: An emergency power source device (1) for a crane comprise: an engine generator (10); an inverter (22) converting the power of the engine generator (10) into AC power; a connection part (31) which can be connected to the crane device and outputs the power converted by the inverter (22); and a regenerative resistor (25) absorbing the power returned from the connection part (31) to the inverter (22).SELECTED DRAWING: Figure 1

    【課題】クレーン装置の給電が不能となった場合に、速やかにクレーン装置に非常用の電力を供給できるクレーン用非常電源装置、クレーンシステム及び非常時電力供給方法を提供する。【解決手段】このクレーン用非常電源装置(1)は、エンジン発電機(10)と、エンジン発電機(10)の電力を交流電力に変換するインバータ(22)と、クレーン装置と接続可能でありインバータ(22)が変換した電力を出力する接続部(31)と、接続部(31)からインバータ(22)に戻される電力を吸収する回生抵抗(25)とを備える。【選択図】図1


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    Title :

    EMERGENCY POWER SOURCE DEVICE FOR CRANE, CRANE SYSTEM AND EMERGENCY POWER SUPPLY METHOD


    Additional title:

    クレーン用非常電源装置、クレーンシステム及び非常時電力供給方法


    Contributors:

    Publication date :

    2019-08-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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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