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    • Feedwater controller, nuclear power plant and method for controlling feedwater
    • 给水控制器,核电站和控制给水的方法
    • US08467491B2
    • 2013-06-18
    • US11878429
    • 2007-07-24
    • Shinya Tominaga
    • Shinya Tominaga
    • G21C7/36
    • G21D1/02G21Y2002/207G21Y2002/304G21Y2004/30G21Y2004/40Y02E30/40
    • The feedwater controller of a nuclear power plant having three or more feedwater pumps supplying water to the reactor vessel, electric motors driving the feedwater pumps and electric power converters connected to the electric motors is equipped with a flow rate controller and a trip compensation means. The flow rate controller calculates a flow rate to the reactor vessel based on a detected value indicating a condition of the nuclear power plant and a preset value of the water level of the reactor vessel, and generates a rotation speed command signal for the electric motors based on the flow rate command signal. The trip compensation means increases the rotation speed of the electric motors not having tripped if one of the feedwater pumps trips.
    • 具有三个或更多个向反应堆容器供水的给水泵的核电厂的给水控制器,驱动给水泵的电动机和连接到电动机的电力转换器配备有流量控制器和行程补偿装置。 流量控制器基于表示核电厂的状况的检测值和反应堆容器的水位的预设值,计算出反应堆容器的流量,生成基于电动机的转速指令信号 对流量指令信号。 如果一个给水泵跳闸,跳闸补偿装置增加电动机没有跳闸的转速。