NDLI: Drum-boiler control system employing shrink and swell effect remission in thermal power plants

Content Provider	IEEE Xplore Digital Library
Author	Iacob, M. Andreescu, G.
Copyright Year	2011
Description	Author affiliation: Dept. of Automation and Applied Informatics, “Politehnica” University of Timisoara, Timisoara, Romania (Iacob, M.; Andreescu, G.)
Abstract	This paper develops a control system for a drum-boiler unit, which employs a three element cascade control (water level, steam flow, feed-water) versus a single element control for the water level loop, in order to attenuate the non-minimum phase shrink-and-swell effect. The overall control structure includes a heat flux control loop for throttle pressure stabilization. Gain scheduling technique is added to improve system responses at various operating points. The process is built around the Åström-Bell non-linear complex drum-boiler model fitted for a real 16 MW thermal power plant. The model is extended with actuators, super-heater and turbine dynamics. The implementation is carried out in Labview, employing a graphical user interface (GUI) for friendly man machine interaction with selection of manual/automatic mode. The simulation results are focused on manual/automatic control operation with satisfactory response behaviors.
Starting Page	1
Ending Page	8
File Size	1229273
Page Count	8
File Format	PDF
ISBN	9781457706820
ISSN	2157023X
e-ISBN	9789638111777
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-05
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	HTE
Subject Keyword	Adaptation models Shrink-and-swell effect Simulation Thermal power plant Valves Boilers Cascade gain-scheduled control Mathematical model Drum-boiler-turbine model Power generation
Content Type	Text
Resource Type	Article

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