Tri-level double-end active bridge DC (Direct Current) conversion device and control method
A DC conversion, three-level technology, applied in the direction of converting DC power input to DC power output, output power conversion device, adjusting electrical variables, etc., can solve the problem of current tailing, large on-state resistance, large conduction loss, etc. problems, to achieve the effect of improving safety and reliability, reducing cost and volume, and increasing switching frequency
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0030] figure 1 It is a main circuit diagram of a three-level double-terminal active bridge DC conversion device according to an embodiment of the present invention. Such as figure 1 As shown, the three-level double-terminal active bridge DC conversion device in this embodiment includes: a first voltage dividing capacitor C 1 , the second voltage dividing capacitor C 2 , the third voltage dividing capacitor C 3 and the fourth divider capacitor C 4 , the first switching tube Q 1 , the second switching tube Q 2 , the third switching tube Q 3 , the fourth switching tube Q 4 , the fifth switching tube Q 5, the sixth switching tube Q 6 , the seventh switching tube Q 7 , the eighth switching tube Q 8 , the ninth switching tube Q 9 , Tenth switching tube Q 10 , the eleventh switching tube Q 11 , the twelfth switching tube Q 12 , the th...
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