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    • 2. 发明申请
    • PRIMING PROTECTION
    • 预防保护
    • WO2008073329A3
    • 2008-08-21
    • PCT/US2007025137
    • 2007-12-07
    • PENTAIR WATER POOL & SPA INCDANFOSS LOW POWER DRIVESSTILES ROBERT WBERTHELSEN LARS HOFFMANNKJAER GERTLUNGEANU FLORIN
    • STILES ROBERT WBERTHELSEN LARS HOFFMANNKJAER GERTLUNGEANU FLORIN
    • F03B11/04
    • F04D15/0066F04B49/20F04D1/00F04D13/06F04D15/0077
    • A method and apparatus are provided for determining a priming status of a pumping system. The pumping system includes a water pump and a variable speed motor. The method includes the steps of determining a reference power consumption of the motor, determining an actual power consumption of the motor, comparing the reference and actual power consumptions, and determining a priming status of the pumping system based upon the comparison. In addition or alternatively, the method includes operating the motor at a motor speed and altering control of the motor based upon the priming status. In addition or alternatively, the pumping system includes means for determining a reference power consumption of the motor, means for determining an actual power consumption of the motor, means for determining a priming status of the pumping system, and means for altering control of the motor based upon the priming status.
    • 提供了一种用于确定泵送系统的起动状态的方法和装置。 泵送系统包括水泵和变速马达。 该方法包括以下步骤:确定电动机的参考功率消耗,确定电动机的实际功率消耗,比较参考和实际功率消耗,以及基于该比较确定泵送系统的启动状态。 另外或替代地,该方法包括以电动机速度操作电动机,并基于起动状态改变电动机的控制。 另外或替代地,泵送系统包括用于确定电动机的参考功率消耗的装置,用于确定电动机的实际功率消耗的装置,用于确定泵送系统的起动状态的装置,以及用于改变电动机的控制的装置 基于起动状态。