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The single phase voltage source is an ideal voltage source behind an internal series impedance. The parameter values for V, Rs, and Xs are in SI unit.
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Source name | a unique name |
Bus1 | Bus name (Bus ID) | a unique name |
Voltage (V) | Nominal voltage magnitude | V |
Angle (deg) | Voltage angle | Degree |
Rs (Ohm) | Series resistance | Ohm |
Xs (Ohm) | Series reactance | Ohm |
Available I/O
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Pins
No | Pin Description | Pin Type | Value/Unit | Instruction |
|---|---|---|---|---|
1 | Set/Get internal voltage magnitude of Vsource | I/O | V (RMS) | VsourceID/Vmag |
2 | Set/Get internal voltage angle of Vsource | I/O | Degree | VsourceID/Vang |
3 | Set/Get internal resistance and reacÂtance of Vsource | I/O | Ohm | VsourceID/resistance |
4 | Get injected current magnitude | O | A (RMS) | VsourceID/Imag |
5 | Get injected current angle | O | Degree | VsourceID/Iang |
Three Phase Voltage Source
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The three phase voltage source model is based on three ideal voltage sources, with 120 degrees of phase shift, behind an internal impedance.
Short-Circuit Level Data Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Source name | a unique name |
Bus1 | Name of phase A of the connected bus | a unique name |
Bus2 | Name of phase B of the connected bus | |
Bus3 | Name of phase C of the connected bus | |
kV (ph-ph RMS) | Nominal voltage (phase-to-phase) | kV |
Angle_a (deg) | Initial value for angle of phase A | degree |
SCL1ph (MVA) | Single phase short circuit level | NOT APPLICABLE |
SCL3ph (MVA) | Three phase short circuit level | NOT APPLICABLE |
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Sequential Data Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Source name | a unique name |
Bus1 | Name of phase A of the connected bus | a unique name |
Bus2 | Name of phase B of the connected bus | |
Bus3 | Name of phase C of the connected bus | |
kV (ph-ph RMS) | Nominal voltage (phase-to-phase) | kV |
Angle_a (deg) | Initial value for angle of phase A | degree |
R1 (Ohm) | Positive-sequence resistance | voltage source ohm |
X1 (Ohm) | Positive-sequence reactance | |
R0 (Ohm) | zero-sequence resistance | |
X0 (Ohm) | zero-sequence reactance |
Available I/O
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Pins
No | Pin Description | Pin Type | Value/Unit | Instruction |
|---|---|---|---|---|
1 | Get current magnitude of each phase | O | A (RMS) | VsourceID/Imag_a |
2 | Get current angle of each phase | O | Degree | VsourceID/Iang_a |
3 | Set/Get nominal voltage (phase-to-phase) | I/O | kV | VsourceID/kVll |
4 | Set/Get initial value for angle of phase A | I/O | Degree | VsourceID/angle_a |
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