FIELD: power engineering.
SUBSTANCE: method to control steam temperature for a steam power plant, in which a state controller for generation of the specified steam temperature sends several steam states along feedback as a control action in a reheater for reheating of steam with the help of an observer, which calculates these states, and the specified steam temperature is sent to another controller for temperature adjustment. The state controller is a linear and square-law controller. Also a device for method realisation is described.
EFFECT: invention makes it possible to achieve stable and accurate control of steam temperature.
23 cl, 6 dwg
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