Modular high-voltage transmission ratio direct-current transformer topological structure and control method
A technology of DC transformer and topology structure, applied in the direction of converting DC power input to DC power output, adjusting electrical variables, and controlling/regulating systems, etc. The effect of small number and low cost
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] A modular high voltage transfer ratio DC transformer topology such as figure 1 As shown, the topology consists of a high voltage filter capacitor C HV , High voltage filter inductor L HV , high-voltage side thyristor, N power module groups, low-voltage filter inductor L LV with low voltage filter capacitor C LV composition.
[0027] Each power module group includes an input port and an output port. After N power module group inputs are connected in serie...
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