![]() ![]() These are the basic parameters, however, in industrial designs is common to have some standards or mechanical constraints, these are some examples: The basic information needed to make the design is: Collecting Data Before Starting the Design ![]() We can see the current ripple due to the Iac, which provokes the main core losses, and the Ipeak current, which affects the saturation limit. DC current inductor design, source: Chemo Molina, Frenetic Therefore, the work consists of finding a combination of the core, gap, and winding to provide a specific inductance at a specific frequency and current ratio, avoiding saturation (magnetic materials can saturate, which means, the inductance effect disappears) and does not burn out.įigure 2. →PFC inductor (CrCm is similar to an AC inductor and CCM is similar to a DC inductor).→DC current Inductors (>50 kHz of switching frequency with a DC bias current).Low-Frequency Inductors (50 kHz of switching frequency without DC bias current). ![]() Reading the basics of inductor design, you have to choose a core (with a specific gap or distributed gap), and a winding (selecting the type of wire) to comply with some electrical specifications of inductance and current rating. ![]() Each type of inductor is specific for a different application and the design procedure will be different. ![]()
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