A bidirectional isolated dcdc converter for suppressing peak voltage and its control method
A bidirectional isolation and peak voltage technology, applied in the direction of adjusting electrical variables, control/regulation systems, high-efficiency power electronics conversion, etc., can solve the problems of poor device performance, high device prices, and difficult to meet, so as to reduce margin and cost , Increase the switching frequency, reduce the effect of system loss
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[0039] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.
[0040] The present invention is a bidirectional isolated DCDC converter for suppressing peak voltage, such as figure 1 As shown, it is arranged between the first DC voltage source V1 and the second DC voltage source V2, and bidirectionally supplies DC power to the first DC voltage source V1 or the second DC voltage source V2, including the first capacitor C1 and the third capacitor C1. The bus capacitance composed of capacitor C3 connected in parallel, the first half-bridge topology composed of the first switching tube Q1 and the second switching tube Q2 in series, the second half-bridge topology composed of the third switching tube Q3 and the fourth switching tube Q4 in series, the fifth The third half-bridge topology composed of the switching tube Q5 and the sixth switching tube Q6 connected ...
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