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    • 8. 发明申请
    • POWER MANAGEMENT IN ELEVATORS DURING MARGINAL QUALITY POWER CONDITIONS
    • 电力质量权力条件下电梯的电力管理
    • WO2010059139A1
    • 2010-05-27
    • PCT/US2008/012915
    • 2008-11-19
    • OTIS ELEVATOR COMPANYWESSON, John P.OGGIANU, Stella M.
    • WESSON, John P.OGGIANU, Stella M.
    • G05D3/12
    • B66B1/302
    • An elevator system having a regenerative elevator drive and an electrical or mechanical energy storage system includes an energy management controller. Voltage and state-of-charge of the energy storage system are monitored by the energy management controller. During sustained marginal quality power conditions of the primary input power to the elevator, the energy management controller maintains and extends operation of the elevator system by selecting a mode of operation where the motor of the elevator is powered by the energy storage system, while using power available from the grid and the elevator regenerative runs for charging the energy storage system. The energy management controller may delay elevator runs, reduce elevator speeds, temporarily shut down elevator operation, and adjust operating limits of the energy storage system based upon line voltage, state-of-charge, elevator loading, and power requirements of the elevator system.
    • 具有再生电梯驱动器和电或机械能量存储系统的电梯系统包括能量管理控制器。 能量存储系统的电压和充电状态由能量管理控制器监视。 在对电梯的主要输入功率的持续的边缘质量功率条件期间,能量管理控制器通过选择一种操作模式来维护和扩展电梯系统的操作,其中电梯的电动机由能量存储系统供电,同时使用电力 可从电网获得,并且电梯再生运行用于为能量存储系统充电。 能量管理控制器可以延迟电梯运行,降低电梯速度,暂时关闭电梯运行,并且基于电梯电压,电荷负载,电梯负载和电梯系统的功率要求来调节能量存储系统的运行极限。