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Leakage Inductance Calculation

- February 11, 2025 at 7:26 am
  mhr
  Subscriber
  Dear ALL,
  I have performed a transformer simulation with primary and secondary windings having the same number of turns, using an E-core. I calculated the leakage inductance considering two scenarios:
  1. Without a core gap – Leakage inductance: 26.5 µH
  2. With a 2 mm gap on all three legs – Leakage inductance: 22.9 µH
  However, the results seem unrealistic. While the primary inductance significantly decreased from 2150 µH to 87.271 µH with the 2 mm gap, the leakage inductance remained almost unchanged.
  Could you please help me verify and correctly calculate the leakage inductance?
- February 24, 2025 at 6:30 pm
  
  MirandaH
  Ansys Employee
  
  Hi, I would like to know how the leakage inductance was calculated? Did you use coupling coefficient or short circuit test?

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