Diode bridge arm parallel connection type three-level rectification charger
A three-level rectification, diode technology, applied in current collectors, battery circuit devices, high-efficiency power electronic conversion, etc., can solve the problems of high voltage stress, large input current harmonics, etc., achieve high power, high switching frequency, reduce Effect of Small Input Current Ripple
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[0044] Such as figure 1 As shown, a three-level rectification charger of the diode bridge arm parallel connection type, the left side of the rectification charger is a switching tube bridge arm S 1 , S 2 , the right side of the rectifier charger is a three-level structure composed of two diode series bridge arms and a switch clamp branch connected in parallel.
[0045] The rectifier charger of the present invention includes a switch tube S a1 , S a2 , Diode D a1 、D a2 、D a3 、D a4 and switch tube S b1 , S b2 , Diode D b1 、D b2 、D b3 、D b4 , AC power u g , inductance L 1 , L 2 , capacitance C 1 、C 2 ;
[0046] The left side of the rectifier charger is the switching tube bridge arm S 1 , S 2 , the right side is two diode series bridge arms D a1 、D a2 、D a3 、D a4 , switch tube clamping branch S a1 , S a2 and diode series bridge arm D b1 、D b2 、D b3 、D b4 and switch tube clamping branch S b1 , S b2 A three-level circuit composed of parallel connectio...
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