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本文为20万千瓦发电机组数学模型工作的简要总结。工作的目标是使用小型电子数字计算机实时模拟再热锅炉-汽机单元机组在变工况下的动态响应及稳态特性。整个模型为一多变量动态系统,采用非线性常微分方程组直接数值积分,其计算结果与实际情况相当吻合。模型已使用在火电厂模拟控制台上。
This article is a brief summary of the mathematical model of a 200 MW generator set. The goal of the work is to simulate the dynamic response and steady-state behavior of a reheat boiler-turbine unit under varying conditions using a small electronic digital computer in real time. The whole model is a multivariable dynamic system, which adopts the direct numerical integration of nonlinear ordinary differential equations. The calculation results are in good agreement with the actual situation. The model has been used on thermal power plant simulation console.