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核电站反应堆冷却管道疲劳问题是核电站老化管理关注重点之一,特别是当核电站服役年限渐长、定期安全审查(PSR)、电站申请延寿时,核监管机构要求核电站必须提供相关的信息以验证疲劳对部件的损伤影响程度。通过对目前核电站疲劳监测系统的调研,分析了主流疲劳监测系统的功能、相关的参数及彼此间的差异性。
Nuclear power plant reactor cooling pipe fatigue problem is one of the key concerns of aging management of nuclear power plants, especially when the service life of nuclear power plants is getting longer, the regular safety review (PSR), power plant applications for life extension, nuclear regulatory agencies require nuclear power plants must provide relevant information to verify fatigue pairs The degree of damage to the part. Through the investigation of the current fatigue monitoring system of nuclear power plant, the functions, relevant parameters and the differences among the mainstream fatigue monitoring systems are analyzed.