Double-input three-phase nine-switch group mmc rectifier and its control method
A technology of nine switch groups and control methods, which is applied in the direction of converting AC power input to DC power output, output power conversion devices, electrical components, etc., can solve problems such as increasing engineering costs, and achieve voltage equalization problems, quality improvement, The effect of reducing engineering cost
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[0020] In order to further illustrate the content and characteristics of the present invention, the specific embodiments of the present invention will be described below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited thereto.
[0021] refer to figure 1 , the dual-input three-phase nine-switch group MMC rectifier of the present invention includes the first u-phase voltage source u ua , the first v-phase voltage source u va , the first w-phase voltage source u wa , the first u-phase inductance L ua , the first v-phase inductance L va , the first w-phase inductance L wa , the second u phase voltage source u ub , the second v-phase voltage source u vb , the second w-phase voltage source u wb , the second u-phase inductance L ub , the second v-phase inductance L vb , the second w-phase inductance L wb , the first bridge arm, the second bridge arm, the third bridge arm and the load R; the first bridge arm, the ...
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