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    • 1. 发明申请
    • NUCLEAR REACTOR POWER MONITOR
    • 核反应堆电力监控
    • US20130058447A1
    • 2013-03-07
    • US13697950
    • 2011-05-11
    • Yutaka TakeuchiHiroshi OnoKazuki Yano
    • Yutaka TakeuchiHiroshi OnoKazuki Yano
    • G21C7/00
    • G21C17/00G21C17/10G21D3/001G21D2003/005Y02E30/40
    • Provide a nuclear reactor power monitoring technology for enhancing the monitoring accuracy and reliability in nuclear thermal hydraulic stability.A power monitor 30 includes a first calculation unit 42,52 configured to calculate a first stability index based on time series data indicating power oscillation in nuclear instrumentation signals outputted from a plurality of nuclear instrumentation detectors 31; a first determination unit 44,53 configured to compare the first stability index and a first reference value and determine whether nuclear thermal hydraulic stability of the reactor core is stable or deteriorated; a second calculation unit 46,54 configured to calculate a second stability index of the reactor core based on the time series data when the deteriorated state is determined in the first determination unit 44,53; and a second determination unit 47,55 configured to compare the second stability index and a second reference value and determine whether to perform suppressing operation of the power oscillation.
    • 提供核反应堆功率监测技术,提高核热液压稳定性的监测精度和可靠性。 功率监视器30包括第一计算单元42,52,其被配置为基于表示从多个核仪器检测器31输出的核仪器信号中的功率振荡的时间序列数据来计算第一稳定性指标; 第一确定单元44,53,被配置为比较第一稳定性指数和第一参考值,并确定反应堆堆芯的核热液压稳定性是否稳定或劣化; 第二计算单元46,54,被配置为当在第一确定单元44,53中确定恶化状态时,基于时间序列数据计算反应堆堆芯的第二稳定性指数; 以及第二确定单元47,55,被配置为比较第二稳定性指标和第二参考值,并确定是否执行功率振荡的抑制操作。
    • 2. 发明申请
    • APPARATUS, METHOD AND PROGRAM FOR MONITORING NUCLEAR THERMAL HYDRAULIC STABILITY OF NUCLEAR REACTOR
    • 用于监测核反应堆核热液压稳定性的装置,方法和程序
    • US20130013282A1
    • 2013-01-10
    • US13542911
    • 2012-07-06
    • Yutaka TAKEUCHIHiroyuki TAKEUCHIKazuki YANO
    • Yutaka TAKEUCHIHiroyuki TAKEUCHIKazuki YANO
    • G06G7/54
    • G21C17/00G21C17/108G21D3/001G21D2003/005Y02E30/39
    • An apparatus for monitoring nuclear thermal hydraulic stability of a nuclear reactor, contains: a calculation unit configured to calculate a stability index of a nuclear thermal hydraulic phenomenon based on nuclear instrumentation signals, the signals being outputted by a plurality of nuclear instrumentation detectors placed at regular intervals in a reactor core; a simulation unit configured to simulate the nuclear thermal hydraulic phenomenon based on a physical model by using information on an operating state of the nuclear reactor as an input condition; a limit value updating unit configured to update a limit value of the nuclear thermal hydraulic phenomenon based on a result of the simulation; and a determination unit configured to determine, based on the stability index and the limit value, whether or not to activate a power oscillation suppressing device.
    • 一种用于监测核反应堆的核热液压稳定性的装置,包括:计算单元,被配置为基于核仪表信号计算核热液压现象的稳定性指标,所述信号由放置在规则的多个核仪器检测器输出 反应堆核心间隔; 模拟单元,被配置为通过使用关于核反应堆的操作状态的信息作为输入条件来模拟基于物理模型的核热液压现象; 限制值更新单元,被配置为基于模拟结果来更新核热液压现象的极限值; 以及确定单元,其被配置为基于所述稳定性指标和所述极限值来确定是否激活功率振荡抑制装置。