High-frequency high-voltage switching power supply for electric precipitation
A high-frequency high-voltage, switching power supply technology, applied in the direction of high-efficiency power electronic conversion, power supply technology, electrical components, etc., can solve the problems of high-frequency high-voltage switching power supply design difficulties, etc., and achieve the effect of light weight, high power factor, and small size
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[0013] The system structure of the high-frequency high-voltage switching power supply based on DSP TMS320F2812 is as follows: figure 1 As shown, the main circuit is the input three-phase 380V50Hz AC power supply, which becomes 530V DC voltage through the three-phase rectification filter circuit 1, and then passes through the high-frequency inverter circuit 2 composed of IGBT modules, and the high-frequency pulse transformer 3 is boosted by high-voltage The silicon rectifier stack 4 becomes 72kV high-voltage direct current to the electrostatic precipitator 5; the DSP controller 7 realizes the H-bridge triggering of the high-frequency inverter circuit 2, and the input side of the electrostatic precipitator is connected to 6 pairs of voltage and current detection boards to complete the detection of voltage and current, and the signal Input the DSP controller 7 to adjust the high-frequency inverter circuit 2 through the DSP controller 7, and the DSP controller is connected with the...
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