Off Design Performance Analysis of Combined Cycle Units
联合循环机组变工况性能分析

摘要

燃气轮机是一个高度复杂的系统，为了提高燃气轮机的运行经济性，对燃气轮机的性能分析研究显得尤为重要。本文通过分析进气参数对燃气轮机及联合循环性能的影响，分析联合循环机组部分负荷运行特性，基于仿真模型对某F级机组实际运行数据进行分析，计算变负荷对燃气轮机系统、底循环以及联合循环机组的性能影响，获取机组在部分负荷下的性能参数变化情况，为机组变工况设计与性能优化提供参考。

Abstract

Gas turbine is a highly complex system. In order to improve the operating economy of gas turbine, it is particularly important to analyze the performance of gas turbine. This paper analyzes the influence of inlet air parameters on the performance of gas turbine and combined cycle, analyzes the partial load operation characteristics of combined cycle units, analyzes the actual operation data of a class F unit based on the simulation model, calculates the impact of variable load on the performance of gas turbine system, bottom cycle and combined cycle units, and obtains the change of performance parameters of the unit under partial load, It provides reference for off design and performance optimization of units.