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Ideal vs. linear transformer

Compare voltage loss and magnetizing current in ideal and linear 1:2 transformers at 1 kHz.

Basics

Run the transient comparison to see how winding resistance, finite coupling, and magnetizing inductance change the output voltage and primary current.

Editor showing the Ideal vs. linear transformer SPICE example as an unsaved schematic.
Ideal vs. linear transformer opens as an editable, unsaved schematic.

Open and run

  1. Open Examples from the Home ribbon.
  2. Choose Ideal vs. linear transformer.
  3. Open Simulate and choose Setup to review the analyses.
  4. Choose Run for one analysis or Run All for the complete configured set.
  5. Select a matching Scope view after the run. Use Save as sheet to keep the example or Discard to close it.

Sheets, analyses, and Scope

Ideal vs. linear transformer

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Setup: 1 kHz transient comparison

AnalysisConfiguration
Transient
  • Step 2u
  • Stop 10m
  • Initial conditions Enabled
  • Start 0
  • Maximum step 2u

Scope views and expected results

Ideal vs. linear

Analysis: Transient

Secondary voltage
  • Ideal outputV(out_ideal)
  • Linear outputV(out_linear)
Primary current
  • Ideal primary currentPrimary 1 currentI(T1)
  • Linear primary currentPrimary 1 currentI(T2)

Python scripts

No Python scripts are included with this example.

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