Determining Design Power Over An Input Voltage Range (Part 2): Inductor Design Power

Focus:

In part 1, the concept of design power was introduced and an analysis was presented that laid the groundwork for applying this concept to inductor and transformer design where design power can be used to optimize component size. Here in part 2, formulas are derived for the “design power ratio” for each PWM switch configuration and the author explains how the design power ratio relates to component sizing through the component’s winding window area, Aww.

What you’ll learn:

• How to determine the design power ratio for an inductor in each of the three PWM-based converter configurations
• How to relate design power ratio to inductor size through winding window area

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Author & Publication:

Dennis Feucht, Innovatia Laboratories, Cayo, Belize, How2Power Today, Feb 15 2021

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