Development of the simulation model of the interaction of automatic controllers in the control system of the energy complex
DOI:
https://doi.org/10.15587/1729-4061.2018.142561Keywords:
micro-energy complex, turbine plant, power plant, control system simulation model, optimum controllerAbstract
The developed simulation model of the control system of the power plant operating in different modes is presented. Work on the development of the control system of the power plant, the physical control of which will be carried out with the help of automatic controllers that compensate for the influence of external factors and, thus, bring the deviated parameters to the given values was done. In particular, the optimum controllers for the main components of the power plant were selected.
Simulation of operating modes to minimize the control error, as well as for compliance of the established steam flow, temperature and other parameters with the set (rated) values was performed. As a result of the simulation, it was found that the controllers (P and PI) cope quite well with the problems of parameters stabilization under any perturbations, despite the mutual influence of deviations of parameters. Dynamic deviations from the established values of such quantities as the turbine flow and condenser flow, as well as the steam generator outlet pressure do not exceed ±0.1. The settling time of the turbine flow fluctuations does not exceed 5 minutes. The fluctuations of the remaining flows are almost similar to the turbine flow fluctuations.
The conducted studies will be useful for effective and high-quality (accurate) control of various energy complexes, intended for electric energy and heat generation. Control of such energy complexes is usually carried out by automatic systems for which proper tools and optimum controllers are needed. The present paper deals with simulation of interaction of such controllers.
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Copyright (c) 2018 Vladimir Parshukov, Valeriy Gorbachev, Ivan Kihtev, Roman Bezuglov, Vladimir Papin, Vadim Kopitsa
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