Six switch group mmc hybrid converter and its control method
A technology of mixed conversion and six switch groups, which is applied in the control/regulation system, DC power input conversion to DC power output, AC power input conversion to DC power output, etc., can solve the problems of increasing project costs and achieve voltage equalization Problems, the effect of reducing engineering costs
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[0019] In order to further illustrate the content and features of the present invention, the specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. But the implementation of the present invention is not limited thereto.
[0020] refer to figure 1 , the six-switch group MMC hybrid converter of the present invention includes an AC input power supply u ac , AC input inductance L ac , the first DC power supply u dc1 , the first DC input inductance L dc1 , the second DC power supply u dc2 , the second DC input inductance L dc2 , the first bridge arm, the second bridge arm and the load R; the first bridge arm and the second bridge arm are each composed of an upper switch group (H 1 、H 2 ), medium switch group (M 1 , M 2 ), the lower switch group (L 1 , L 2 ), the first leg inductance (L H1 , L H2 ), the second arm inductance (L L1 , L L2 ) in series; the upper switch group H of the first bridge ar...
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