1991年秦山30万千瓦核电站首次并网发电，恰希玛核电站一期、二期于2006年和2011年在巴基斯坦相继建成实现并网发电，3个堆40多堆年成功运行验证了30万千瓦核电站的可靠性。本文从提升经济性和提高安全性角度出发，对30万千瓦核电站升级改进进行了思考，以满足中小发展中国家对核电堆型的需求。方案将堆芯功率提升至1250MWt，反应堆冷却剂平均温度提升至302.0℃，给出的燃料管理方案验证了其可行性；对于主要安全系统配置和事故应对，提出了能动方案、非能动加能动方案，这些方案满足当前核电站安全审评要求，提升了30万千瓦核电站的安全性。%Qinshan 300000 mw nuclear power station connected to the grid for the first time in 1991, the first phase of the chashma nuclear power plant, phase ii in 2006 and 2006 successively built to realize grid power in Pakistan, the three heap heap more than 40 years of successful operation to verify the reliability of the 300000 MW nuclear power plant. This article from the perspective of improving economy and safety, the improvement of 300000 MW nuclear power plant, the thinking, in order to meet the small and medium-sized demand for nuclear power DuiXing in developing countries. Plans to raise its core power to 1250 MWT, reactor coolant average temperature rise to 302.0℃, the fuel management scheme is given to demonstrate its feasibility;For major safety system configuration and deal with the accident put forward the active plan, and not move move these solutions to meet the current nuclear power plant safety review requirements, improved the safety of the 300000 mw nuclear power plant.
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