modelinterpolSimplePB
This model calculates a few off-design points as initial equation and after interpolate over them
Extends from SolarTherm.Media.CO2.PropCO2, Icons.PowerBlock.
Parameters
| Type | Name | Default | Description |
|---|
| SI.Power | P_nom | 100*10^6 | |
| SI.AbsolutePressure | p_high | CV.from_bar(250) | |
| SI.AbsolutePressure | p_low | CV.from_bar(80) | |
| Real | PR | p_high/p_low | |
| SI.ThermodynamicTemperature | T_high | CV.from_degC(715) | inlet temperature of the turbine |
| SI.ThermodynamicTemperature | T_HTF_in_des | CV.from_degC(800) | inlet temperature of the HTF |
| SI.ThermodynamicTemperature | T_low | CV.from_degC(45) | Inlet temperature of the compressor |
| SI.ThermodynamicTemperature | T_amb_des | CV.from_degC(20) | ambient temperature at design |
| SI.TemperatureDifference | pinchHTR | 5 | |
| SI.TemperatureDifference | pinchExch | T_HTF_in_des - T_high | |
| SI.Efficiency | eta_comp | 0.89 | |
| SI.Efficiency | eta_turb | 0.93 | |
| Integer | N_exch | 5 | |
| Integer | N_HTR | 15 | |
| Integer | N_cooler | 15 | |
| FI.Money | C_PB | | Overall cost of the power block |
| SI.ThermodynamicTemperature | T_HTF_out_des | | |
| MedPB.ThermodynamicState | state_comW_out | | |
| Integer | N_points | 10 | |
| SI.ThermodynamicTemperature | T_high_frac | | points for which efficiency will be calculated |
| SI.MassFlowRate | m_des | | mass flow rate at the outlet of the turbine |
| SI.Power | W_out | | power at the outlet for off-design |
| SI.Efficiency | eta_cycle_on | | efficiency of the cycle |
| SI.Efficiency | eta_cycle_off | | efficiency of the cycle |
| SI.Power | W_comp | | |
| SI.HeatFlowRate | Q_dis_exch | | |
| MedPB.ThermodynamicState | state_cooler_out | | |
Components
| Type | Name | Default | Description |
|---|
| SI.ThermodynamicTemperature | T_amb | | |
| Boolean | m_sup | | indicates if mass flow from tank is superior enough to calculate |
| SI.MassFlowRate | m_HTF_bis | | mass flow rate used for switching off the PB |
| SI.ThermodynamicTemperature | T_HTF_in | | Inlet temperature of HTF |
| SI.ThermodynamicTemperature | T_HTF_out | | Outlet temperature of HTF |
| SI.ThermodynamicTemperature | TIT_CO2 | | Turbine inlet Temperature of CO2 |
| SI.ThermodynamicTemperature | T_CO2_in_HX | | CO2 temperature at the inlet of the exchanger |
| MedPB.ThermodynamicState | state_CO2_HX | | |
| MedRec.ThermodynamicState | state_HTF_HX | | |
| SI.TemperatureDifference | deltaT_HX | | |
| Modelica.Fluid.Interfaces.FluidPort_a | fluid_a | | |
| Modelica.Fluid.Interfaces.FluidPort_b | fluid_b | | |
| Modelica.Blocks.Interfaces.RealOutput | W_net | | Net electric power output |
| SI.Power | P_cooling | | Cooling power necessary to cool down the fluid |
Contents
| Name | Description |
|---|
 MedPB | |
| MedRec | |
