modelPartloadEfficiency
Extends from TransiEnt.Basics.Icons.Block.
Information
1. Purpose of model
Model block calculates partload efficiency from the efficiency line chart, the nominal total plant efficiency and the actual electric power output.
If CCS is used the efficiency losses due to CCS are calculated.
If power plant consists of more than one block (parameter quantity>1) the efficiency is calculated assuming that power plant blocks are turned on one after the other.
2. Level of detail, physical effects considered, and physical insight
(Description)
3. Limits of validity
(Description)
4. Interfaces
(none)
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(none)
8. Validation
(no validation or testing necessary)
9. References
(none)
10. Version History
Model modified by Oliver Schülting (oliver.schuelting@tuhh.de) on Dez 2018: added CCS
Model modified by Oliver Schülting (oliver.schuelting@tuhh.de) on Jun 2019: added possibilty to calculate array-efficiencies via parameter 'quantity'
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | CO2_Deposition_Rate | 0 | Fraction of CO2 that is deposited via CCS |
| Boolean | constantEfficiency | (EfficiencyCharLine.CL_eta_P[1, 1] == 0 and EfficiencyCharLine.CL_eta_P[2, 1] == 1 and EfficiencyCharLine.CL_eta_P[1, 2] == 1 and EfficiencyCharLine.CL_eta_P[2, 2] == 1) | true if contant efficiency charline is used |
| Physical Constraints | |||
| SI.Efficiency | eta_n | Nominal total plant efficiency | |
| TransiEnt.Producer.Electrical.Base.PartloadEfficiency.PartloadEfficiencyCharacteristic | EfficiencyCharLine | TransiEnt.Producer.Electrical.Base.PartloadEfficiency.ConstantEfficiency() | |
| TransiEnt.Producer.Electrical.Base.CCS.NoCCS | CCS_Characteristics | TransiEnt.Producer.Electrical.Base.CCS.NoCCS() | |
| Integer | quantity | 1 | amount of power plant blocks into which nominal power is split |
| Real | P_min_star | 0.2 | Fraction of nominal power (=20% of nominal power) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Electrical.ElectricPowerIn | P_el_is | Actual electric power output in p.u. | |
| TransiEnt.Basics.Interfaces.General.EfficiencyOut | eta_is | Output for efficiency | |
| Modelica.Blocks.Interfaces.BooleanInput | UseCCS | true, if CCS is used |