What is flux leakage?

Flux leakage refers to the phenomenon where magnetic flux from a magnetic circuit escapes or diverges from its intended path. This is particularly important in the context of transformers, inductors, and magnetic coils, where magnetic pathways are designed to optimize efficiency. When discussing flux leakage, it primarily relates to the type of magnetic field interaction.

The correct understanding of flux leakage involves recognizing it as part of magnetic field behavior rather than a detection method for corrosion or pitting. Corrosion detection typically involves techniques such as ultrasonic testing or magnetic particle inspection, which are different from magnetic field phenomena. Therefore, flux leakage is fundamentally linked to the interactions of magnetic fields and is essential for evaluating and improving the performance of electrical devices, particularly in understanding efficiency losses in systems like transformers and inductors.