A Multiphase Resonant Bridge Modular Multilevel Switched Capacitor Converter
A modular multi-level, switched capacitor technology, applied in the direction of high-efficiency power electronic conversion, regulation of electrical variables, conversion of DC power input to DC power output, etc., can solve the problem of large input current ripple that affects the efficiency of converter energy conversion etc. to achieve the effect of reducing output current ripple, improving conversion efficiency and power density
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[0018] The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.
[0019] refer to Figure 1 to Figure 4 , figure 1 It is a structural schematic diagram of a multi-phase resonant bridge-type modular multi-level switched capacitor converter provided by the present invention, which includes m unit resonant switched capacitor circuits connected in parallel. figure 2 It is a unit resonant switched capacitor circuit, including an H bridge 1, a resonant inductor 2 and a basic switched capacitor module 3. image 3 For the H-bridge circuit diagram, Figure 4 It is a switched capacitor module circuit. The H-bridge contains four MOSFET switch tubes, where S 1 , S 4 A pair of switch tubes that are turned on at the same time, S 2 , S 3 It is another pair of switch tubes that are turned on at the same time. S 2 , S 3 The drive signal hysteresis S 1 , S 4 The drive signal 180°. The basic switched capacitor module incl...
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