Ferrite Core Magnetics (Part 2): Gapped Ferrite Cores
by Dennis Feucht, Innovatia Laboratories, Cayo, Belize, How2Power Today, Aug 15 2017
Focus:
Gapped ferrite cores are used to store transfer energy, as are iron powder cores. Yet
they differ in important ways. This article describes how the differences affect the
design of inductors, transformers and coupled inductors, and how transfer power is
maximized for high-ripple cores. Transformer optimization results from part 1 are also
derived from the standpoint of large-ripple design. We begin by explaining how
calculation of the operating point H differs for ferrite gapped cores versus powder
cores, and how to find the operating point and the saturation limited turns for gapped
ferrite cores.
What you’ll learn:
- How to optimize transformer design using gapped ferrite cores (advanced concepts)
- How to calculate operating point H for gapped ferrite cores
- How to maximize power transfer under high ripple conditions using gapped ferrite cores
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