参数缺损环境下火电厂热经济性分析方法  

Heat Economy Analysis Under Parameter Defective Condition in Thermal Power Plant

作　　者：张树芳 董琪[1] 白兰[1] 王利杰[1] 

机构地区：[1]华北电力大学动力系,河北保定071003

出　　处：《热力透平》2008年第1期54-58,共5页Thermal Turbine

摘　　要：提出了在参数缺损环境下热经济性在线分析的能效分布矩阵方程(EEDM方程),利用人工神经网络特有的非线性信息处理能力并以国产N200—12.7/535/535再热机组为例,介绍了疏水泵混合焓缺损时建立合成抽汽焓神经网络计算模型的方法,使其在汽轮机组热经济性分析中的应用结果符合工程误差要求,证明该方法是可信的。This paper presents the energy-efficiency distributing matrix equation （EEDM equation） of the thermal economy on-line analysis in the parametric defected environment. Using unique nonlinear information processing capability of artificial neural networks and taking the domestic N200-12.7/535/535 reheat unit as an example, this paper introduces the method of establishing enthalpy extraction of neural network computing model when a drain pump mixing enthalpy defects. As a result, the application results of the steam turbine thermal economy analysis can be in conformance with the requirements of engineering error and the method is proved as credible.

关 键 词：疏水泵混合焓 神经网络 能效分布矩阵方程 热经济性 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]