☑ What Is Saturation Of Inductor

Lorandt explains what the saturation current of a power inductor is and also how the saturation current is measured at wurth elektronik eisos. Saturation current is the current where the inductance drops to some specified level compared to its low current value.

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What is saturation of inductor. Saturation is an effect of the ferromagnetic core. It doesnt occur with air coils. Saturation is a characteristic of ferromagnetic and ferrimagnetic materials such as iron nickel cobalt and their alloys.

This is the case for power inductors with winding on a powdered core. An inductor typically consists of an insulated wire wound into a coil around a core. Seen in some magnetic materials saturation is the state reached when an increase in applied external magnetic field h cannot increase the magnetization of the material further so the total magnetic flux density b more or less levels off.

The core behaviour can be described with a b versus h magnetization characteriscs. Hard saturation black soft saturation red. Saturation current is the current where the inductance drops to some specified level compared to its low current value.

The voltage across an inductor will always average to zero due to its basic electrical properties not considering resistive voltage drop. If you keep normal current peaks to half of the saturation limit. Pragmatically what happens if you have current peaks that bump into the saturation zone the inductor starts to get hot.

The inductance reduces progressively. Current curve is preferable to the value of the saturation current. An inductor also called a coil choke or reactor is a passive two terminal electrical component that stores energy in a magnetic field when electric current flows through it.

Pragmatically what happens if you have current peaks that bump into the saturation zone the inductor starts to get hot.