modelTransformer_3Ph
Extends from ThreePhaseComponent (Partial model for inheritance of single-phase base power based on three-phase system base power.).
Information
This model was design to represent three-phase two-winding transformer.
The user should input the copper resistance R and leakage reactance X in per unit values. The user should also input the tap value, which is the relation between primary and secondary voltage levels, but in per unit. Finally, the user should select the transformer three-phase connection.
Based on this set of parameters, the pi-equivalent impedance matrices are calculated and the transformer equation is assembled. The transformer does not take into account excitation branch, since it is often neglected in transient-stability studies.
Primary side is represented by pins Ain, Bin, and Cin. Secondary side is represented by pins Aout, Bout, and Cout
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | Connection | 0 | 0 Yg-Yg; 1 D-D; 2 Y-Y; 3 D-Yg; 4 Yg-D; 5 D-Y; 6 Y-D; 7 Y-Yg; 8 Yg-Y; |
| Power flow data | |||
| Types.ApparentPower | S_b (from ThreePhaseComponent) | SysData.S_b | System base |
| Types.ApparentPower | S_p (from ThreePhaseComponent) | SysData.S_b/3 | Phase base |
| Transformer parameters | |||
| Real | tap | 1 | Nominal tap ratio (Vs/Vp) |
| Types.PerUnit | X | 0.001 | Leakage reactance |
| Types.PerUnit | R | 0.1 | Windings copper resistance |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| OpenIPSL.Interfaces.PwPin | Ain | ||
| OpenIPSL.Interfaces.PwPin | Bin | ||
| OpenIPSL.Interfaces.PwPin | Cin | ||
| OpenIPSL.Interfaces.PwPin | Aout | ||
| OpenIPSL.Interfaces.PwPin | Bout | ||
| OpenIPSL.Interfaces.PwPin | Cout |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| OpenIPSL.Electrical.SystemBase | SysData (from ThreePhaseComponent) | Must add this line in all models |
Contents
| Name | Description |
|---|---|
| ConnectionTypeprotected |