engleski

Modela based operating strategy of combined cycle cogeneration plant

A method for fast calculation of two gas turbines combined cycle cogeneration power plant with steam extractions is presented in this paper. The method is based on simple basic mathematical model with only main nonlinearities taken into account, the rest of equations are simplified thus making it solvable explicitly. Adjustments in form of small dimensionless data sets taking into account most of nonlinearities are used to produce accurate calculation results. Certain logic constrains are used to solve models faster. Another, detailed, model is created in specialized software for precise adjustments of basic model. The precision of the model can easily be further adjusted if necessary by changing quantity of data from detailed model. Developed model can be used in calculations for multiple power plant systems.

model based optimisation; CCGT; cogeneration

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