The paper describes the developed method for analyzing technological schemes of thermal power plants based on solving problems of auxiliary linear programming. This method involves solving the linear programming problems to evaluate the effect of supply and removal of heat or material flows of various sizes at different points of the techno-logical scheme of a thermal power plant (TPP). The method effectiveness is demonstrated by the example of the coal-dust steam turbine unit with nominal electrical output of 660 MW. As a result of its application, the change of the tech-nological scheme of the unit was found to provide reduction in electricity cost by 0.3%.

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