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Saturable transformer
- Sylvain Ménard
This block implements an saturable transformer.
The equivalent circuit is shown in the figure below:
The circuit is same than the Single Phase Ideal Two Winding Transformer, except that the magnetizing inductance has been replaced by its saturated version, which model consists of a controlled current source in parallel with an RC snubber. The value of the generated current is determined by the voltage measured across it.
Parameters
Parameters |
|
|---|---|
Primary nominal voltage value (V1) | Primary nominal voltage value in volts (V) |
Primary winding resistance (R1) | Primary winding resistance value in ohm (Ω). |
Primary winding leakage inductance (L1) | Primary winding leakage inductance value in Henries (H). |
Primary initial current (I1) | Primary winding initial current in amperes (A) |
Secondary nominal voltage value (V2) | Secondary nominal voltage value in volts (V) |
Secondary winding resistance (R2) | Secondary winding resistance value in ohm (Ω). |
Secondary winding leakage inductance (L2) | Secondary winding leakage inductance value in Henries (H). |
Secondary initial voltage (I2) | Secondary winding initial current in amperes (A) |
Core loss resistance (Rm) | Magnetization branch equivalent resistance value in ohm (Ω). |
Saturation characteristic (φ=f(Im)) | Saturation profile of the magnetizing inductance of the transformer (more details). |
Initial flux (φ0) | Initial flux in weber (Wb) |
Snubber resistance (Rsn) | Snubber resistance value in ohm (Ω). |
Snubber Inductance (Lsn) | Snubber inductance value in henry (H). |
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