LI Wei-hua1, CUI Li2, KANG Jing-qiu1, et al. OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING[J]. Thermal power generation, 2009, 38(12): 82-87.
LI Wei-hua1, CUI Li2, KANG Jing-qiu1, et al. OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING[J]. Thermal power generation, 2009, 38(12): 82-87.DOI:
The different dynamic characters of feed-water control system under high load and low load of subcritical 600 MW unit in Datang Tashan Power Plant subordinated to Tong Coal Corporation have been modelled and emulated by using Matlab/Simulink software.Based on results of emulation
the structure of controller has been reconstructed
and the parameters of regulator being optimized
realizing the full-process control of feed-water for the unit
including water-level in the drum under low load
the decoupling of govenor valve due to differential pressure
and accurate control of water-level in the drum under high load
as well as the process from supplying water to the boiler to full load operation of the unit