Modular multi-level high-power alternating-current/alternating-current converter based on high-frequency transformer
A modular multi-level, high-frequency transformer technology, applied in the direction of converting AC power input to AC power output, output power conversion devices, electrical components, etc., can solve problems such as limiting the application of new AC-AC converters, and achieve Easy to expand, low cost and low equipment volume
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[0035] The present invention is described in further detail below in conjunction with accompanying drawing:
[0036] refer to figure 1 According to the present invention, the high-frequency transformer-based modular multi-level high-power AC-AC converter described in the present invention is arranged between two three-phase AC systems, including a first bridge arm, a second bridge arm and The third bridge arm, wherein the input terminal of the first bridge arm is connected to the u terminal of the first three-phase AC system, the output terminal of the first bridge arm is connected to the a terminal of the second three-phase AC system, and the first bridge arm is connected to the terminal a of the second three-phase AC system. The input end of the second bridge arm is connected to the v end of the first three-phase AC system, the output end of the second bridge arm is connected to the b end of the second three-phase AC system, and the input end of the third bridge arm is conne...
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