The invention relates to the technical field of elevator energy-saving control, and particularly discloses a direct-current elevator system and a direct-current elevator. The system comprises a direct-current input power supply, a direct-current frequency converter and a direct-current traction machine; the DC input power supply is used for providing DC input for the DC frequency converter. The direct current frequency converter is connected with the direct current traction machine and used for driving the direct current traction machine; the first semiconductor step-down module is connected with the direct-current input power supply and is used for executing step-down operation and outputting first direct-current voltage; the plurality of first direct current components are connected with the first semiconductor step-down module, and each first direct current component operates based on the first direct current voltage; the second semiconductor step-down module is connected with the first semiconductor step-down module and is used for executing step-down operation and outputting second direct-current voltage; the plurality of second direct current components are connected with the second semiconductor step-down module, and each second direct current component operates based on the second direct current voltage; the first DC voltage is lower than the DC input voltage, and the second DC voltage is lower than the first DC voltage.

    本发明涉及电梯节能控制技术领域,具体公开了一种直流电梯系统及一种直流电梯,系统包括:直流输入电源、直流变频器和直流曳引机;直流输入电源用于为直流变频器提供直流输入;直流变频器与直流曳引机连接,用于驱动直流曳引机;第一半导体降压模块,与直流输入电源连接,用于执行降压操作,输出第一直流电压;多个第一直流部件,与第一半导体降压模块连接,每个第一直流部件基于第一直流电压运行;第二半导体降压模块,与第一半导体降压模块连接,用于执行降压操作,输出第二直流电压;多个第二直流部件,与第二半导体降压模块连接,每个第二直流部件基于第二直流电压运行;第一直流电压低于直流输入的电压,第二直流电压低于第一直流电压。


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    Title :

    Direct current elevator system and direct current elevator


    Additional title:

    一种直流电梯系统及一种直流电梯


    Contributors:
    FENG YONGCHANG (author) / HUANG DIHUA (author) / DU YUHUI (author) / XU PENGHAO (author) / FAN ZHIQIANG (author)

    Publication date :

    2024-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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