Example Problems on magnetic circuits with air gaps — Lesson 2

This lesson solve example problems to solve magnetic circuits with air gaps, considering factors such as permeability, length, and current flow. The lesson also explains how to calculate the inductance value and reluctance of the core and air gap. It shows how the performance curves vary with the variation of air gap length. The lesson concludes with a detailed explanation of how to draw the equivalent magnetic circuits using the gyrator capacitor models.

Video Highlights

00:02 - Introduction
00:11 - Example problems on solving magnetic circuits with air gaps
02:03 - Calculating the reluctances of core and airgap
04:42 - Calculating the inductance value
05:12 - Variation of air gap length affecting reluctance, inductance, and flux
06:05 - Explanation of how the increase or decrease of air gap length and cross-sectional area affects reluctance, inductance, flux and performance curves
09:36 - Example problem on magnetic circuit with different lengths of magnetic paths
11:34 - Calculation of flux densities at different points in the magnetic circuit
14:58 - Drawing the equivalent circuit for a given different cross-sectional area
18:02 - How to solve any type of magnetic circuit

Key Takeaways

- The lesson provides a comprehensive understanding of magnetic circuits with and without air gaps.
- It explains how to calculate the inductance value and reluctance of the core and air gap.
- The lesson demonstrates how performance curves vary with the variation of air gap length.
- It provides a detailed explanation of how to draw the equivalent magnetic circuits using the gyrator capacitor models.