Inductance calculations in Switched Reluctance Machines - I — Lesson 5

This lesson covers the analytical calculations of switched reluctance machine inductances. It explains the inductance in aligned, unaligned, and intermediate positions based on simple MMF's and inductance equations. The lesson also discusses the flux lines and flux plot related to thesse positions. It further elaborates on the process of calculating inductance values, including identifying the number of flux paths, finding the length of the magnetic flux path, calculating the cross-sectional area, drawing the magnetic equivalent circuit, and finally calculating the inductance. The lesson uses the example of a switched reluctance machine to illustrate these concepts.

Video Highlights

00:00 - Introduction
00:30 - Discussion on flux lines and flux plot
04:43 - Procedure to calculate inductance values
13:54 - Example of calculating inductance in a switched reluctance machine
15:21 - Identifying number of flux path
18:52 - Finding lingth of magnetic flux path
26:15 - Calculating cross sectional area
34:07 - Calculating the reluctance and Inductance for path 1

Key Takeaways

- The inductance of a switched reluctance machine can be calculated analytically in aligned, unaligned, and intermediate positions.
- The calculation involves identifying the number of flux paths, finding the length of the magnetic flux path, calculating the cross-sectional area, drawing the magnetic equivalent circuit, and finally calculating the inductance.
- The flux lines and flux plot provide a visual representation of these concepts.
- The lesson provides a detailed step-by-step procedure to calculate inductance, making it easier to understand and apply these concepts.