Transformer open-circuit test

Version 1.0.0 (35.1 KB) by Abdelrahman Farghly
ransformer Open-Circuit Test – Also known as the No-Load Test
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Updated 9 May 2025

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How the Test Is Performed
🔩 Setup:
  1. Low-voltage (LV) side is energized from a rated-voltage AC source.
  2. High-voltage (HV) side is left open (no load connected).
  3. Measurements taken:
  • Input voltage V1​
  • No-load current I0​
  • Input power P0​

Cite As

Abdelrahman Farghly (2026). Transformer open-circuit test (https://www.mathworks.com/matlabcentral/fileexchange/181072-transformer-open-circuit-test), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0