Power grid AC/DC cooperation control method after direct current block fault
A technology of AC-DC coordination and DC blocking, which is applied to AC networks with different sources of the same frequency, etc., and can solve problems such as the inability to realize online formulation of security control measures.
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[0067] 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 making creative efforts fall within the protection scope of the present invention.
[0068] like figure 1 As shown, the present invention provides a method for AC-DC coordinated control of a power grid after a DC blocking fault. The power grid is a large-capacity DC receiving-end AC power grid connected across large regions, and the power grid includes two regions with weak electrical connections. Power grid; the regional power grid includes at least two subsystems, which are closely connected subsystems;
[0069] Including the following st...
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