Dual-output single-phase six-switch block MMC inverter and control method thereof
A technology of six-switch groups and switch groups, which is applied in the field of dual-output single-phase six-switch group MMC inverters and its control, can solve problems such as increasing engineering costs, achieve voltage equalization problems, improve quality, and reduce engineering costs. Effect
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[0019] In order to further illustrate the content and characteristics of the present invention, the implementation of the present invention will be specifically described below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited thereto.
[0020] refer to figure 1 , the dual-output single-phase six-switch group MMC inverter of the present invention includes a DC power supply U dc , the first bridge arm, the second bridge arm, the first load and the second load; the first bridge arm and the second bridge arm are all controlled by the upper switch group (H 1 、H 2 ), medium switch group (M 1 , M 2 ), the lower switch group (L 1 , L 2 ) and coupled inductance (L H1 :L L1 , L H2 :L L2 ) in series; the upper switch group H of the first bridge arm 1 consists of N power switching units (SM H11 , SM H12 ,...,SM H1N ) in series, the middle switch group M of the first bridge arm 1 consists of N power switching units ...
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