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电网技术  2014 

适用于电力系统稳定分析的AP1000核电厂动态模型

DOI: 10.13335/j.1000-3673.pst.2014.04.025, PP. 987-993

Keywords: AP1000,压水堆核电厂,PSASP/UPI,电网故障,动态模型,PCTRAN

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Abstract:

以AP1000为代表的第三代核电技术是我国核电发展的重要方向之一。建立了AP1000核电厂动态模型,该模型由反应堆堆芯及冷却系统、冷却剂主泵、蒸汽发生器、汽轮机及其控制系统、发电机等模型组成;基于PSASP/UPI技术实现AP1000核电厂动态模型与电力系统连接,计算核电厂与电力系统之间的动态过程。结果表明,基于上述核电厂模型得到的仿真结果与基于核电厂专用仿真软件PCTRAN得到的仿真结果基本一致,验证了所建立AP1000核电厂模型有效性,该模型具有较高的仿真效率,可用于AP1000核电厂接入电网的稳定计算和分析;在电力系统中长期稳定分析中,应该考虑核电厂主蒸汽压力变化对汽轮机机械功率输出的影响,为AP1000核电厂接入电网的稳定分析奠定了基础。

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