AP1000堆芯动态仿真程序开发

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基金项目:

大型压水堆核电站国家重大科技专项子课题“AP1000堆芯控制系统动态仿真和研究”

Development of a Dynamic Simulation Program of AP1000 Reactor Core

1. School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China;
2. Shanghai Nuclear Engineering Research & Design Institute, Shanghai, 200233, China

摘要: AP1000堆芯采用了先进的机械补偿控制模式(MSHIM)控制反应堆功率和轴向功率偏差。以Matlab/Simulink为平台,开发AP1000堆芯动态仿真程序。首先建立优化的节点堆芯动力学模型,该模型既有较高的计算精度又有较快的计算速度;然后建立MSHIM控制系统模型,并对负荷跟踪工况进行了动态仿真。通过与已有仿真结果的对比,验证了仿真程序的正确性。
- AP1000 /
- 节点动力学模型 /
- 动态仿真 /
- MSHIM
Abstract: The AP1000 adopts the advanced Mechanical Shim（MSHIM） core control strategy to control the reactor power and axial power distribution. This paper presents the development of a dynamic simulation program of AP1000 reactor core in Matlab/Simulink. Firstly, an optimum nodal core model is developed, which both has satisfactory accuracy and fast simulation speed. Then, the MSHIM control system is established. Based on the simulation program, the typical load follow simulation is performed. The correctness of the program is preliminary validated by comparing the simulation results with the references.
- AP1000 /
- Nodal dynamic model /
- Dynamic simulation /
- MSHIM