Cores and materials

https://www.mag-inc.com/Products/Ferrite-Cores

Good discussion of air gap issues at the end of https://www.mag-inc.com/Products/Ferrite-Cores/Learn-More-about-Ferrite-Cores.aspx

1. Laminations for magnetic circuits

2. Steinmetz and magnetics

[ TODO ]

3. Review of magnetics

  • current

  • mmf

  • B

  • \(\phi\)

  • saturation

  • hysteresis

  • permanent magnets

4. Reading references