基于能级理论的二次再热机组热力系统分析方法  

Thermal System Analysis Method for Secondary Reheat Unit Based on Energy Level Theory

作　　者：闫水保[1] 齐继鹏 冯灿 钱亿博 YAN Shui-bao;QI Ji-peng;FENG Can;QIAN Yi-bo(School of Mechanical and Power Engineering,Zhengzhou University,Zhengzhou 450001,China)

机构地区：[1]郑州大学机械与动力工程学院,郑州450001

出　　处：《汽轮机技术》2020年第4期248-250,共3页Turbine Technology

摘　　要：基于能级效率法,经过理论分析与推导,得出了二次再热机组热力系统的热经济性能级效率分布矩阵方程。该方法具有快速、精确、易程序化等众多优点。该方法不仅适用于二次再热机组,还能应用于具有复杂能级耦合的热力系统的热经济性计算。该方法能够简化热力系统经济性的计算过程,满足工程精度要求,对电站热力系统的优化和改造具有一定指导意义。通过实例进行了验证。Based on the energy level efficiency method,after theoretical analysis and derivation,the thermal economic performance level efficiency distribution matrix equation of the secondary reheat unit thermal system is obtained.The method has many advantages such as fast,accurate,and easy to program.This method is applicable not only to secondary reheat units,but also to thermal economic calculations of thermal systems with complex energy level coupling.The method can simplify the calculation process of the economics of the thermal system,meet the engineering accuracy requirements,and has certain guiding significance for the optimization and transformation of the thermal system of the power station.It was verified by an example.

关 键 词：能级效率法 热经济性 分布矩阵方程 

分 类 号：TM621[电气工程—电力系统及自动化]