modelLumpedGrid
Extends from TransiEnt.Basics.Icons.IndustryPlant (Icon for industry plants).
Information
1. Purpose of model
Non-detailled grid model electric grid model (including primary and secondary control models) witch a lumped generator model
2. Level of detail, physical effects considered, and physical insight
Level of detail depends on the used submodels
3. Limits of validity
(no remarks)
4. Interfaces
epp: active power port
5. Nomenclature
(no remarks)
6. Governing Equations
(no remarks)
7. Remarks for Usage
(no remarks)
8. Validation
checked in TransiEnt.Grid.Electrical.LumpedPowerGrid.Check)
9. References
(no remarks)
10. Version History
Model created by Pascal Dubucq (dubucq@tuhh.de) on 01.10.2014
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Power | P_el_n | simCenter.P_n_ref_2 | Nominal power of all generators in lumped grid |
| Real | P_L | simCenter.P_n_low | Load in lumped grid (constant) |
| SI.Time | T_tc | simCenter.T_grid | Average time constant of plants |
| Integer | nSubgrid | 2 | Subgrid assignment for statistics |
| Boolean | isSecondaryControlActive | false | |
| Real | kpf | 0.5 | Frequency dependence of load |
| Primary Frequency Control | |||
| Real | delta_pr | 0.2/50/0.1 | Value used if plantType is set to 'Provided' |
| Real | P_pr_grad_max_star | 0.996/100/30 | Two percent of design case power in 30s |
| Real | P_pr_max_star | 0.996/100 | Two percent of design case power |
| Real | k_pr | 1 | Participation factor primary control |
| Secondary Frequency Control | |||
| Real | P_sec_grad_max_star | 0.12/60 | Maximum secondary power gradient (= 12% in five Minutes) |
| Real | beta | 0.5 | Gain of secondary balancing power |
| Real | T_r | 150 | Time constant of secondary balancing power |
| Real | lambda_sec | simCenter.P_n_ref_2/(simCenter.P_n_ref_1 + simCenter.P_n_ref_2)*3e9/0.2 | Sub grid participation factor |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Electrical.ActivePowerPort | epp |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Noise.ZeroError | genericGridError | ||
| TransiEnt.SimCenter | simCenter | ||
| LumpedGridLocalStatistics | LumpedGrid | ||
| Components.GlobalStatisticsAdapter | LocalStatisticsAdapter | ||
| TransiEnt.Components.Sensors.ElectricActivePower | line_L1_1 | ||
| Modelica.Blocks.Sources.Constant | P_tie_set | Setpoint of power transfers to neighbor grid |