In this paper, quantitative analysis method of combined heat and power generating PMSS was given, and thermo-economy diagnosis database was designed, and upgrade scheme of TEDS was given.

• 本文提出母管制系统供热机组的定量分析方法，设计了经济性诊断数据库的结构，提出了经济性诊断系统的升级方案，解决了经济性诊断系统应用于母管制系统时所遇到的三个重要问题。