用于核电厂数字化仪表控制系统优化设计的CATIA2程序的改进

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Improvement of CATIA2 Code Used in Optimization Design for Digital Instrument and Control System of NPP

National Key Laboratory of Reactor System Design Technology, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 对压水堆核电厂瞬态仿真程序CATIA 2程序进行了改进,以满足核电厂数字化仪表控制系统优化设计工作的需要。主要的改进是在CATIA 2程序中,对ΔT保护通道引入了数字化采样模块模型及数字化处理时间步长,以及对ΔT保护通道所用的输入变量引入了采样时间步长,并针对数字化技术提出了一种新的超温ΔT定值方程模型。通过分析比较数值仿真的结果,表明所做的改进是合理和可行的。
- 核电厂 /
- 数字化 /
- 仪表控制系统 /
- CATIA2程序 /
- 仿真
Abstract: In order to meet the requirements of the optimization design work for the digital instrument and control system of the nuclear power plant (NPP),the transient simulation program for PWR,CATIA 2 code,has been improved.The main improvements are that the digital sampling module,the digital processing time steps of the ΔT protection channels and the sample time of the input parameters for the ΔT protection channels are introduced in the CATIA 2 code.A new over temperature setpoint equation module according to the digital technology is provided.By analyzing and comparing the numerical simulation results,the improvements are proved to be reasonable and feasible.
- Nuclear power plant /
- Digital /
- Instrument and control system /
- CATIA 2 code /
- Simulation