What are inductors used for?
By Marcus Reynolds
What are inductors used for?
Inductors are typically used as energy storage devices in switched-mode power devices to produce DC current. The inductor, which stores energy, supplies energy to the circuit to maintain current flow during “off” switching periods, thus enabling topographies where output voltage exceeds input voltage.
What are different types of inductor?
Basic Electronics – Types of Inductors
- Air-core Inductor. The commonly seen inductor, with a simple winding is this air-Core Inductor.
- Iron-Core Inductor. These Inductors have Ferromagnetic materials, such as ferrite or iron, as the core material.
- Toroidal Inductors.
- Laminated Core Inductors.
- Powdered Iron Core Inductors.
How does an inductor discharge?
When the current through an inductor is increased, it drops a voltage opposing the direction of current flow, acting as a power load. In this condition, the inductor is said to be discharging, because its store of energy is decreasing as it releases energy from its magnetic field to the rest of the circuit.
What is the disadvantage of inductor?
The inductors of high inductance value are not possible. It is in large size. The number of turns in a coil necessary to achieve the same inductance that would occur in a solid-core inductor. Its Q factor is low.
Why core is used in inductor?
Mechanically, an inductor’s core provides support for its windings. Magnetically, an inductor’s core provides the medium to concentrate and contain magnetic flux. The combination of winding turns and volume of magnetic material sets an upper limit on the maximum allowable magnetic flux a core can sustain.
Can current pass through inductor?
Inductor Symbol In other words, inductors resist or oppose changes of current but will easily pass a steady state DC current.
Can an inductor be shorted?
If you read infinite resistance in a coil you have an open. Then, there is the potential of shorted turns. Then, coil-to-core short, and that’s the case where you have the coil is shorted to the core material which should not be. Here, let’s see, a common fault with inductors is a shorted coil.
