Description
The 3-winding linear transformer is the simplest form of 3-phase transformer. It is best used when the simulation of saturation can be avoided as it can save computation time.
Table of Contents
Mask and Parameters
General Parameters
| Description | Use this field to add all kinds of information about the component |
| Base primary/secondary/tertiary winding voltage (rmsLL) | Base value for PU conversion (kV). Voltage expressed in kV rms LL This base voltage and nominal voltage will change, if the corresponding winding connection switches between delta and Y. |
| Base power (total) | Base value for PU conversion (MVA) |
| Base frequency | Base value for PU conversion (Hz) |
Magnetization Impedance Parameters
- Rm: Equivalent resistance of iron losses of the magnetic circuit (Ω)
- Lm: Magnetization inductance (H)
Winding Parameters
| Primary/secondary/tertiary connection | Winding type
|
Voltage (rmsLL) | Rated voltage of the winding (kV)
|
| R1, R2, R3 | Leakage resistance of the winding (Ω) |
| L1, L2, L3 | Leakage inductance of the winding (H) |
Neutral Impedance Parameters
| R1, R2, R3 | Neutral resistance of the winding; only applies to Y ground (Ω) |
| L1, L2, L3 | Neutral inductance of the winding; only applies to Y ground (H) |
| C1, C2, C3 | Neutral capacitance of the winding; only applies to Y ground (F) |
Ports, Inputs, Outputs and Signals Available for Monitoring
Ports
| Net_1 | Primary winding connection (supports only 3-phase connections) |
| Net_2 | Secondary winding connection (supports only 3-phase connections) |
| Net_3 | Tertiary winding connection (supports only 3-phase connections) |
| Net_N1 | Neutral connection for primary winding (supports only 1-phase connections) |
| Net_N2 | Neutral connection for secondary winding (supports only 1-phase connections) |
| Net_N3 | Neutral connection for tertiary winding (supports only 1-phase connections) |
Inputs
- None
Outputs
- None
Sensors
| ILMAG(a,b,c) | Magnetization current for each phase (A) |
| IPRIM(a,b,c) | Primary current for each phase (A) |
| ISEC2(a,b,c) | Secondary current for each phase (A) |
| ISEC3(a,b,c) | Tertiary current for each phase (A) |