Kalina cycle is a kind of generalized Rankine cycle with mixed working fluid. Researchers have put so much attention on the improvement of thermodynamic performance between Kalina cycle and traditional Rankine cycle. This paper summarized the existing evaluation criteria and proposed a new and more equitable criterion. Using ammonia-water as working fluid, this paper simulated and assessed the power cycles and analyzed the thermodynamic performance with ASPEN PLUS. The result shows that comparing with Ranki...