公开(公告)号：US3849637A

公开(公告)日：1974-11-19

申请号：US36278673

申请日：1973-05-22

Applicant: COMBUSTION ENG

Inventor： CARUSO R ,  MUSICK C

IPC: F01K13/02 ,  F01D17/00 ,  G05B7/02 ,  G05B19/02 ,  G21D3/00 ,  G21D3/12 ,  H02H7/06 ,  H02J3/00 ,  H02P9/04 ,  G06F7/54

CPC classification number: G21D3/00 ,  Y02E30/39

Abstract: The electrical power output of a nuclear powered generating station, as requested by an operator or by an automatic dispatch system for the grid with which the station is associated, is controlled in a manner which insures that the nuclear steam supply system limits are not violated. The invention permits the nuclear powered generating unit to operate at maximum permissible power for the existing nuclear steam supply system conditions by exercising control over the unit turbine in such a manner that the rate of load change will be controlled as a function of the proximity of the actual load to the desired load and the rate of load increase will be algebraically limited by the proximity of the nuclear steam supply system conditions to the steam supply system operating limits. Additionally the turbine load will automatically be reduced when necessary at a rate which equals or exceeds a value which is commensurate with the magnitude of any violation of the steam supply system operating limits.

Abstract translation: 核动力发电站的电力输出按照操作者的要求或与站相关联的电网的自动调度系统以确保核蒸汽供应系统限制不受侵害的方式进行控制。 本发明允许核动力发电单元以现有核蒸汽供应系统条件的最大允许功率运行，方式是对单元涡轮机进行控制，使得负载变化速率将被控制为接近于 实际负载到期望的负载和负载增加的速率将被代表性地限制在核蒸汽供应系统条件与蒸汽供应系统运行极限的接近度。 另外，当必要时，涡轮机负载将以等于或超过与任何违反蒸汽供应系统操作限制的大小相当的值而被自动减小。

公开(公告)号：US3791922A

公开(公告)日：1974-02-12

申请号：US3791922D

申请日：1970-11-23

Applicant: COMBUSTION ENG

Inventor： MUSICK C

IPC: G21C9/00 ,  G21C17/10

CPC classification number: G21C17/10 ,  G21C9/00 ,  Y02E30/40

Abstract: A thermal margin protection system for a nuclear reactor wherein the coolant low flow trip point and the calculated thermal margin trip point are switched simultaneously and the thermal limit locus is made more restrictive as the allowable flow rate is decreased. The invention is characterized by calculation of the thermal limit locus in response to applied signals which accurately represent reactor cold leg temperature and core power; cold leg temperature being corrected for stratification before being utilized and reactor power signals commensurate with power as a function of measured neutron flux and thermal energy added to the coolant being auctioneered to select the more conservative measure of power. The invention further comprises the compensation of the selected core power signal for the effects of core radial peaking factor under maximum coolant flow conditions.

Abstract translation: 用于核反应堆的热裕度保护系统，其中冷却剂低流量跳闸点和计算出的热余量跳变点同时切换，并且由于允许流量减小，使热限制轨迹变得更具限制性。 本发明的特征在于响应于精确表示反应堆冷腿温度和核心功率的应用信号计算热限制轨迹; 冷腿温度在被利用之前被分层化校正，反应堆功率信号与功率相称，作为被测量的中子通量和加入到冷却剂中的热能的函数，以选择更保守的功率量度。 本发明还包括在最大冷却剂流动条件下对所选择的核心功率信号的补偿，用于芯径向峰值因子的影响。

公开(公告)号：US3752735A

公开(公告)日：1973-08-14

申请号：US3752735D

申请日：1970-07-16

Applicant: COMBUSTION ENG

Inventor： MUSICK C ,  REMSHAW R

IPC: G21C17/10 ,  G21D3/10 ,  G21C17/00

CPC classification number: G21D3/10 ,  G21C17/10 ,  Y02E30/40

Abstract: In a nuclear reactor system, at least two independent measures of reactor core power are provided with one being dependent on neutron flux and the other on coolant thermal parameters. The two independent measures of core power are interrelated in a manner which exploits the advantages of each while avoiding inherent limitations of either to provide a more accurate determination of core power for a variety of system conditions.