Fig. 1. Schematic of a 1000 MW large-scale power plantmodel with USC boiler-turbine system
Fig. 2. Schematic of the conventional boiler combustion incoordinated control
Fig. 3. Schematic of the proposed DMC
Fig. 4. Variation of electric output (MWO) due to stepincrease of DBFF
Fig. 5. Variation of boiler master demand (BMD) due tostep increase of DBFF
Fig. 6. Variation of boiler feed forward (BFF) due to stepincrease of DBFF
Fig. 7. Variation of main steam pressure (MSP) due to stepincrease of DBFF
Fig. 8. Comparison of MWO between Multi-loop andDMC controls
Fig. 9. Comparison of MSP between Multi-loop and DMCcontrols
Fig. 10. Comparison of BFF between Multi-loop and DMCcontrols
Fig. 11. Variation of DMC output (DBFF)
Table 1. Steady-state values of CVs
Table 2. Percentages of DMC/Multi-loop performance in MWO of Fig. 8
Table 3. Percentages of DMC/Multi-loop performance in MSP of Fig. 9
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