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针对核电厂运行瞬态分析的功能需求,中国核动力研究设计院研发了PANTO(Program for Analysis of Normal Transient and Overpressure)软件。该软件基于成熟可靠的系统分析模型和特殊部件模型,采用模块化的软件设计理念,应用面向对象的C++语言和java语言,具有完全自主知识产权。PANTO软件通过了单元测试、集成测试和系统测试,基本消除了所有的代码缺陷。针对秦山二期核电厂阶跃负荷增大10%与额定功率下全部甩负荷瞬态试验进行了验证计算。结果表明,PANTO软件能够较好地模拟瞬态中关键参数的变化情况,计算精度满足工程应用要求,适用于压水堆核电厂运行瞬态分析。
In response to the functional requirements for the transient analysis of nuclear power plant operation, China Nuclear Power Research and Design Institute has developed PANTO (Program for Analysis of Normal Transient and Overpressure) software. Based on the mature and reliable system analysis model and special component model, the software adopts the concept of modular software design, and uses object-oriented C ++ language and Java language with complete independent intellectual property rights. PANTO software passed unit testing, integration testing and system testing, basically eliminating all code defects. For Qinshan Phase Ⅱ nuclear power plant step load increased by 10% and rated power at all load shedding transient tests were verified. The results show that PANTO software can better simulate the changes of key parameters in transient state, the calculation precision meets the requirements of engineering application and is suitable for the transient analysis of PWR nuclear power plants.