Design of Coal Quality Disturbance Free System for Coordinated Control System Based on Gain Scheduling

The economic and stable operation was affected seriously by coal quality disturbance for power plants. Based on model analysis, influence of the disturbance can be considered as gain change of control system. Power capability coefficient of coal was constructed to inhibit it. Accuracy of the coefficient was verified by operating data. Then coal quality disturbance free system based on gain scheduling was designed for coordinated control system. Simulation showed that, the strategy improved control quality obviously, and inhibited the coal quality disturbance.

Authors:

• Liu Ji-Wei
• Pei Yu-Liang
• Liu Qian
• Han Xiang
• Zeng De-Liang

Keywords:

• coordinate control system
• coal quality disturbance
• energy coefficient of coal quality
• gain scheduling

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