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In this paper, the inefficiency of the studied energy conversion system is identified to reduce losses and improve performance. A conventional exergy analysis has limitations that it is not able to detect and this detection is done with advanced exergy analysis. The main role of advanced exergy analysis is to help engineers improve system design and performance by providing information. This provision of information is done by isolating the exergy destruction. Separation of exergy destruction into endogenous/exogenous and unavoidable/avoidable components presents a new development in the exergy analysis of energy conversion systems, which in this paper combines both concepts. This separation increases the accuracy of the exergy analysis and facilitates the improvement of a system. The method used in this paper for separation is the thermodynamic cycle method, which is based on determining the temperature levels for ideal and irreversible cycles. Graphical Abstract