KS C IEC 62117-2009(2019)-核反应堆仪表－加压轻水反应堆（PWR）－冷停堆期间监测堆芯内的充分冷却 -国家数字标准馆

现行 KS C IEC 62117-2009(2019)

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원자로 계측－가압경수로－ 저온정지 중 노심 내 적정 냉각 감시 核反应堆仪表－加压轻水反应堆（PWR）－冷停堆期间监测堆芯内的充分冷却

发布日期： 2009-12-22

该标准适用于与图1及图2类似配置的加压轻水反应堆（PWR），并提出了低温停运中路心内适度冷却监视的条件。适当的劳心冷却可以通过劳心提供足够的冷却材料来实现，以消除热量。在低温停车驾驶中，劳心冷却是通过余热清除系统（RHRS）强制循环实现的。但是，为了维持维修运输，在反应堆压力容器（RPV）内降低水位的静止驾驶时，强制循环被切断，可能导致鲁心过热。

이 표준은 그림 1 및 그림 2와 같은 구성과 유사한 구성의 가압경수로(PWR)에 적용되며, 저온정지 운 전 중 노심 내 적정 냉각 감시를 위한 요건을 제시한다. 적정 노심 냉각은 열을 제거하기 위해 노심으로 충분한 냉각재를 제공함으로써 이루어질 수 있다. 저온정지 운전 중, 노심 냉각은 잔열제거계통(RHRS)을 통한 강제 순환에 의해 이루어진다. 그러나 유 지보수운전을 위하여 원자로 압력용기(RPV) 내 수위를 낮추는 정지 운전시, 강제 순환이 차단되어 노 심이 과열될 수도 있다.

分类信息

发布单位或类别：韩国-韩国标准

ICS分类： 27.120.20核能工程 - 核电站、安全

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