Research Article
Dynamic Simulations of the Allam Cycle Power Plant Integrated with an Air Separation Unit
Table 5
Controller specifications of the integrated Allam power plant/ASU.
| | Controller ID | Controller type | PV | MV | Tuning parameters | | KC (%/%) | τi (min) |
| | PIC-1 | PI | HPC column pressure | Condenser heat duty (CV-1 VP) | 20 | 12 | | LIC-1 | PI | HPC sump liquid level | HPC bottom flowrate (CV-8 VP) | 10 | 60 | | LIC-2 | PI | HPC condenser liquid level | HPC top flowrate (CV-9 VP) | 10 | 60 | | PIC-2 | PI | LPC column pressure | LPC top flowrate (CV-2 VP) | 20 | 10 | | LIC-3 | PI | LPC sump liquid level | LPC bottom flowrate (CV-7 VP) | 10 | 60 | | AIC-1 | PI | Combustor outlet methane slip | RSP to RC-1 | 0.01 | 0.5 | | RC-1 | PI | NG/air ratio (in mass flow) | CV-10 VP | 1 | 20 | | FIC-2 | PI | NG (in mass flow) | CV-6 V P | 1 | 20 | | TIC-1 | PI | Combustor outlet temperature | Recycled CO2 flow (CV-5 VP) | 0.875 | 1.99 | | PIC-3 | PI | Separator top pressure | COMP in flow rate (CV-3 VP) | 20 | 12 | | LIC-4 | PI | Separator liquid level | Water mass flow rate (CV-4 VP) | 10 | 60 |
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PV: process variable; MV: manipulated variable; CV: control valve; VP: valve position; RSP: remote set point.
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