Graphical Moduarizing Modeling For Thermal Power System Of The Secondary Loop Of PWR

With the development of China’s nuclear power industry,the enginer task is growingmore and more, the improve of unit parameters and the use of new technologies and newequipment make it more complexive of the modeling of secondry loop, workload is increasing,the traditional modeling methods can not meet the efficiency needs of the project. The rapiddevelopment of computer technology and the dominance of object-oriented programmingideas in programming technology is determined, making the graphical modular modelingmethod the best choice for modeling platform. It is a research focu to combine the advantagesof modular modeling and graphical modeling to develop a graphical modular modelingplatform.On the basis of in-depth analysis of modular modeling and graphical modelingtechnologies, adopting Visual C#as a developing tool and SQL2008database as a storagetool, a software of secondry-loop thermal balance calculation is developd, as a part ofgraphical modular modeling platform. In the development process, thermal systemcompartmentalize and model development are successfully carried out, graphic of theequipment module is designed, network structure is defined and appropriate topologyidentification methods are chosed, and the actual case shows the use of the software and it’sfunctions and features, Case verification completed after inputing the parameter illustrates thefeasibility and rationality of modeling methods studied in this paper.Based on the researchmethods and experience acquired in this paper, ideas of expansion and directions ofimprovement for the graphic modular modeling platform is raised, it’s a useful explorationand practice research for the development of graphical modeling platform.