About the future development trend of high-frequency switching power supply
With the application of power systems, high-frequency switching power supplies have received more innovation and development. With an understanding of the growth trend of high-frequency switching power supplies, let us first become familiar with the principles of high-frequency switching power supplies.
1. Main circuit
(1) Input filter: Its function is to filter the clutter existing in the power grid and prevent the clutter generated by the machine from being fed back to the public power grid.
(2) Rectification and filtering: directly rectify the AC power of the power grid into smoother DC for the next stage of transformation.
(3) Inverter: Convert rectified DC power into high-frequency alternating current. This is the key part of high-frequency switching power supply. The higher the frequency, the smaller the ratio of volume, weight and output power.
(4) Output rectification and filtering: Provide stable and reliable DC power supply according to load requirements.
2.Control circuit
3. Detection circuit
4. Auxiliary power supply
