Abstract
In the present state of maintenance on cogeneration systems(CGS), simple diagnosis technique is often used. To make CGS operate with higher reliability and more efficiently, the diagnosis system is necessary. To develop the good diagnosis system, the load and outside temperature etc. must be considered and the damaged element could be identified. In this paper, we build the CGS model with thermodynamic and kinetic characteristics, and examine the diagnosis technique to identify characteristics of systems with and without damage.
