what is Leakage Flux And Fringing in Magnetic Circuits

Here explained Leakage flux, Magnetic Leakage, Magnetic fringing important terms with appropriate diagrams for Leakage Flux And Fringing.

Leakage flux

It is that flux which does not follow its intended or desired path in a magnetic circuit. The flux in the air gap is called useful flux.

Leakage flux = Total flux – Useful flux

Magnetic Leakage

Leakage flux is that part of total flux which follows an unintended path. Since it is difficult to predict the amount of leakage and its leakage path exactly, the leakage flux serves no useful work. Leakage flux is represented by leakage factor :

For convenience in calculations, iron is assumed to carry whole of the flux throughout its entire length, its value is always greater than 1. Hence, Leakage factor,

Magnetic Fringing

The useful flux present in the air gap tends to bulge out, thereby increasing the effective area of the gap and reducing the flux density in the gap. This effect is called as fringing. As seen from figure, longer the air gap, greater will be the fringing effect.

The Next important topic from Magnetic Circuits of basic Electrical Engineering is :

B-H Curve Phenomena Of Magnetic Hysteresis With Effect And Loss


MAGNETIC CIRCUITS TOPICS

  1. Introduction Of Magnetic Circuits In Electrical Engineering
  2. Explanation Of Terms Related To Magnetic Circuits In Electrical B.Tech.
  3. What is kirchhoff’s laws ? for magnetic circuit & How relate to electric circuit
  4. Compare Electric And Magnetic Circuit : Similarities & Dissimilarities
  5. Explain The Series Magnetic Circuit ? OR Composite Magnetic Circuits ?
  6. Kirchhoff’s laws for Magnetic Circuits : flux Law (KFL) & magnetomotive force Law (KML)
  7. what is Leakage Flux And Fringing in Magnetic Circuits
  8. B-H Curve Phenomena Of Magnetic Hysteresis With Effect And Loss

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