基于MATLAB的汽轮机调节级变工况计算  

Calculation of Governing Stage of Steam Turbine Under Variable Operation Conditions Based on MATLAB

作　　者：张利平[1] 王夕阳[1] 王睿[1] 陈浩天[1] 李开拓[1] 薛晓燕[1] 

机构地区：[1]华北水利水电大学,河南郑州450045

出　　处：《华北水利水电大学学报（自然科学版）》2015年第3期72-75,共4页Journal of North China University of Water Resources and Electric Power：Natural Science Edition

摘　　要：为了更详细地研究负荷变化时汽轮机组的能耗特性,以常规的汽轮机变工况计算理论为基础,综合考虑了阀门重叠度、温度变化对汽轮机调节级变工况计算的影响,对现有的汽轮机调节级变工况计算方法中存在的不足提出改进建议.根据该计算原理,运用MATLAB软件编写计算程序,计算调节级的特性参数,绘制特性曲线图,算出调节级的特性曲线方程,并通过对实例的计算证明了该方法的实用性,为研究负荷变化时汽轮机组的能耗特性提供了一种既简便又准确的方法.In order to investigate the characteristics of energy consumption of steam turbine unit under the conditions of variable loads in more detail,in this article,based on the calculation theory of steam turbine under variable operation conditions,comprehensively considering the influences of valve overlapping and temperature variation on the calculation of the governing stage of steam turbine under variable operation conditions,we improved the shortage existing in the computing methods of governing stage of steam turbine under variable operation conditions. According to computing principles,and utilizing the computing program made by MATLAB,we calculated the characteristic parameters of governing stage,plotted the characteristic curves,and fitted the equations of characteristic curves of governing stage.Then we verified the practicability of the method by calculating an example. The method will be a simple and precise method for researching the characteristics of energy consumption of steam turbine with variable loads,which has a certain practical value.

关 键 词：汽轮机 调节级 变工况 特性曲线 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]