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Multiphase Voltage Source
- Sylvain Ménard
- Amira Aouina
On this page:
There are three types of multiphase Voltage source components.
Single Phase Voltage Source
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.
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 pins for Single Phase Voltage Source
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 reactance 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 with Short-Circuit Level Data
The three phase voltage source model is based on three ideal voltage sources, with 120 degrees of phase shift, behind an internal impedance.
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 |
Three Phase Voltage Source with Sequential Data
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 pins for Three Phase Voltage Source
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 |
Example
See the Voltage Source page in phasor08_IEEE13.xls file in ePHASORSIM example phasor08.
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