基于水轮发电机组模型的仿真软件比较

Simulation Software Comparison Based on Hydroelectric Generating Set Model

利用Matlab、PSASP对水轮发电机组、变压器、无穷大电源构成的单机无穷大系统进行暂态分析。通过模拟机组运行过程中的动态行为,明确2种软件的优缺点和适用范围。水轮发电机组由水轮机、发电机、调速器、励磁系统组成。在Matlab中利用Simulink软件包进行系统建模、仿真,运用灵活。在PSASP中利用单线图编辑模式,分析计算高效。经过比较分析,Matlab软件适用于小规模系统仿真,仿真结果比较细致,PSASP适用于大规模系统仿真,运行速度快捷、高效。因此,工程技术人员应根据系统规模和仿真目的合理选取仿真软件,使仿真结果具有较高的准确性和可信度。

Transient analysis is conducted to single machine infinite system consisted of hydro-generator units,transformer,infinite power by using MATLAB ＆ PSASP.By simulating the dynamic behavior in the process of the equipment operation,the advantages and disadvantages of both software and applicable scope are cleared.Hydroelectric generating set consists of hydro turbine,governor and excitation system.Simulink Software Package has been used to simulate in Matlab and it is flexible.Based on the single line diagram editing mode in PSASP,analysis and calculation is efficient.Through the comparative analysis,it is known that Matlab software is suitable for the small-scale system simulation,the simulation result is meticulous,but PSASP is suitable for the large-scale system simulation,and the speed is quick and effficient.Therefore,it is suggested to select reasonable simulation software in accordance with system scale and simulation purpose,and make the simulation result have high accuracy and credibility.