FIELD: power engineering.
SUBSTANCE: method is proposed to provide for functioning of a device supplying heat and energy to a thermal power plant. The device according to the invention may operate at least in two modes of heat generation and has a connection with the outer electric circuit. At least one mode of heat generation produces or consumes electricity, and the method includes determination of a ratio between cost of heat and demand of the specified plant in electric power, for heat generated by each mode of heat generation, with account of the produced or consumed electric power, and also selection of the mode of heat generation, which has least cost of heat for required quantity of electric energy at this moment, and application of the specified mode of heat generation for provision of the plant with heat.
EFFECT: improved efficiency.
27 cl, 8 dwg, 5 tbl
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