Abstract
Dynamic properties of boiler sections as control objects are studied. The requirements for mathematical models and the main adjustable parameters in drum boilers are determined, on the basis of which the requirements for the designed model are made. The construction of a block diagram and calculation of transfer functions of the automatic control system of the control object. The main types of disturbances are determined: feed water and steam consumption, consumer load, fuel consumption, and feed water temperature. Each perturbation is represented as a control action. Models of the object using perturbation channels are obtained. The article considers the construction of an effective model of the system of automatic control of the drum boiler power supply based on the system’s working out of disturbing influences. The paper uses the Matlab application software and the Simulink graphical programming environment.
Highlights
Steam generating thermal machines are the technological base for many industrial facilities
Each perturbation is represented as a control action
It is necessary to consider each of the blocks separately
Summary
Steam generating thermal machines are the technological base for many industrial facilities. Providing optimal modes of equipment operation, increasing reliability, reducing energy consumption, increasing cost-effectiveness, environmental friendliness, increasing power efficiency - a small part of the tasks faced by modern industrial facilities, the solution of which is possible using automatic and automated systems. A steam boiler as a control object is a complex dynamic system with a large number of input and output interrelated values. For investigation of such system the complex mathematical model of object dynamics taking into account mutual influence of regulation loops on the object can be used
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