INQUIRYSwitching power supply common mode inductance calculation is not difficult!
Release time:2024-08-30
As an important part of magnetic components, inductors are widely used in power electronic circuits. Especially in the power supply circuit is an indispensable part. Such as electromagnetic relays in industrial control equipment, electric power meters in power systems (watt-hour meters). The filters at the input and output terminals of the switching power supply equipment, the tuner at the TV receiving and transmitting terminals, etc. are all inseparable from inductors. The main functions of inductors in electronic circuits are: energy storage, filtering, choking, resonance, etc. In the power supply circuit, since the circuit deals with the transfer of high current or high voltage energy, the inductor is mostly a "power type" inductor. It is precisely because the power inductor is different from the small signal processing inductor, in the design of the switching power supply topology is not the same, the design will have their own requirements, resulting in design difficulties. Inductors in current power circuits are mainly used for filtering, energy storage, energy transfer, and power factor correction. Inductor design covers the electromagnetic theory, magnetic materials and safety and many other aspects of knowledge, designers need to work and related parameters requirements (such as: current, voltage, frequency, temperature rise, material characteristics, etc.) have a clear understanding to make the most reasonable design.
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