Three-Phase Bridgeless Power Factor Corrected AC-DC Converter
A power factor correction, DC converter technology, applied in the direction of converting AC power input to DC power output, output power conversion device, and irreversible AC power input converting to DC power output, etc., can solve the problem of large current harmonic distortion, Difficult to control independently, complex control and other issues
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[0031] In this example, the three-phase bridgeless power factor correction AC-DC converter circuit structure is as follows: figure 2 shown. The three-phase four-wire AC power supply provides AC voltage for the three-phase bridgeless power factor correction AC-DC converter, and the AC input terminals of the A-phase converter, B-phase converter and C-phase converter are respectively connected to the A-phase phase line L1 and the neutral line N1, phase B phase line L2 and neutral line N2, phase C phase line L3 and neutral line N3. The neutral line N1, neutral line N2 and neutral line N3 are connected to the neutral line N of the three-phase four-wire AC power supply, and the DC output positive terminals and DC output negative terminals of the A-phase converter, B-phase converter and C-phase converter are respectively connected to form this For example, the DC output terminal of the AC-DC converter provides DC current for the load RL. The capacitor Co is an output capacitor sha...
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