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为改进汽轮机调节系统动态特性计算的精度,在本文中先指出现在常用方法的缺点,并提出用变系数非线性微分方程来表示各个环节的数学模型。同时指出在使用此方法时所应注意的要点,给出用R.K解法解计算机程序框图。以C—12—35/10型汽轮机的调节系统为例,用此方法的计算结果用曲线表示,并指出它的结论与实际经验相符。
In order to improve the accuracy of the dynamic characteristic calculation of the steam turbine governing system, this paper first points out the shortcomings of the commonly used methods and proposes a mathematical model of each step with the variable coefficient nonlinear differential equation. At the same time pointed out that the use of this method should pay attention to the points given R.K solution to the computer program block diagram. Taking the adjustment system of C-12-35 / 10 steam turbine as an example, the calculation result of this method is shown as a curve, and its conclusion is consistent with the actual experience.