Detailed principles of wisdom power board put more high-frequency transformer
A transformer converting the AC voltage is high, current and impedance of the device, when the primary AC current is passed through the coil, the core (or cores) in the AC flux will be generated, so that the voltage induced in the secondary coil (or current), Therefore, the power supply board must be installed on the high-frequency transformer.
High-frequency switching power supply transformer is used as the main component. Switching power supply generally use half-bridge power converter circuit, when the work of the two switching transistor turns conducting a high frequency of 100kHz pulse wave, and then alternating pressure, low voltage output by high-frequency transformers, high-frequency transformer windings each the turns ratio determines the number of the output voltage. A typical half-bridge transformer circuit is the most prominent of the three high-frequency transformer: the main transformer, drive transformer and auxiliary transformer (standby transformer), each of which has its own measure of the transformer in the state, such as main transformers, As long as more than 200W of power, its core diameter (height) shall not be less than 35mm. The auxiliary transformer, when the power does not exceed 300W power its core diameter of 16mm is enough.
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