Title :
Pressure equilibrium control for boiler-turbine units
Author :
Fang, Fang ; Wei Le
Author_Institution :
Sch. of Control Sci. & Eng., North China Electr. Power Univ., Beijing
Abstract :
An equilibrium control structure for boiler-turbine units is presented in this paper to restrict the exceeding change of steam pressure. The central component of this structure is named as ldquosteam pressure equilibrium controllerrdquo, which is composed with two parts: the pressure error compensator and the pressure set-point optimizer. The former is designed to regulate the change rate and directions of load demand under certain rules according to the steam pressure error. The latter is designed to change the set-point of steam pressure in a reasonable range if the aberrance of steam pressure is serious. Simulation results show that the proposed control structure has good performance for pressure error control.
Keywords :
boilers; error compensation; pressure control; steam turbines; thermal power stations; boiler-turbine unit control; power plant; pressure error compensator; pressure set-point optimizer; steam pressure equilibrium control; Boilers; Control systems; Error correction; Fuels; Linear feedback control systems; Nonlinear control systems; Power generation; Power generation economics; Pressure control; Turbines; boiler-turbine unit; error compensation; set-point optimization; steam pressure equilibrium control;
Conference_Titel :
Computational Intelligence for Measurement Systems and Applications, 2009. CIMSA '09. IEEE International Conference on
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-3819-8
Electronic_ISBN :
978-1-4244-3820-4
DOI :
10.1109/CIMSA.2009.5069935
