The invention relates to an elevator drive unit (200) for managing regenerative power of an elevator system (100). The elevator drive unit (200) comprises: a first terminal (220a) for connecting the elevator drive unit (200) to a power grid (230); a second terminal (220b) for connecting the elevator drive unit (200) to the elevator lifting motor (210); a frequency converter (240) for enabling bidirectional power transfer between the power grid (230) and the elevator lifting motor (210); and a control unit (250). The control unit is configured to obtain an indication indicative of a detection of a special operating condition of the elevator system (100), introduce a non-zero power limit specific to the detected special operating condition of the elevator system (100), and control the frequency converter (240) to limit a supply of regenerative power from the elevator hoist motor (210) to the power grid (230) to the power limit. The invention also relates to an elevator system (100) and to a method for managing the regenerative power of an elevator system (100).

    本发明涉及一种用于管理电梯系统(100)的再生功率的电梯驱动单元(200)。电梯驱动单元(200)包括:用于将电梯驱动单元(200)连接到电力网(230)的第一端子(220a);第二端子(220b),用于将电梯驱动单元(200)连接到电梯提升电机(210);频率转换器(240),用于实现电力网(230)和电梯提升电机(210)之间的双向功率传输;和控制单元(250)。控制单元配置成:获得表示检测到电梯系统(100)的特殊操作情况的指示,引入特定于检测到的电梯系统(100)的特殊操作情况的非零功率极限,以及控制频率转换器(240)将从电梯提升电机(210)到电力网(230)的再生功率供应限制到功率极限。本发明还涉及一种电梯系统(100)和一种用于管理电梯系统(100)的再生功率的方法。


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    Titel :

    Elevator drive unit, elevator system and method for managing regenerative power of elevator system


    Weitere Titelangaben:

    电梯驱动单元、电梯系统和用于管理电梯系统的再生功率的方法


    Beteiligte:
    KARPPINEN TEUVO (Autor:in) / PAAKKINEN MIKA (Autor:in) / JOKINEN RISTO (Autor:in) / KEPPIA PAVAN (Autor:in)

    Erscheinungsdatum :

    2024-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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