Switching power supply products are widely used in industrial automation control, military equipment, scientific research equipment, LED lighting, industrial control equipment, communication equipment, power equipment, instrumentation, medical equipment, semiconductor refrigeration and heating, air ..
2020-04-02The switching power supply is roughly composed of the main circuit, the control circuit, the detection circuit and the auxiliary power supply. 1. Main circuit rush current limiter: limit the rush current on the input side when the power is turned on. Input filter: Its function is to filter the clutt..
2020-04-021. When repairing the switching power supply, first use a multimeter to check whether each power component has a breakdown and short circuit, such as the power rectifier bridge stack, switch tube, high-frequency high-power rectifier tube; whether the high-power resistor that suppresses the surge cur..
2020-04-02