Electrical power system fragile section identification method based on normalized-cut
A fragile section and power system technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as system power flow transfer, endangering the safe operation of the system, and branch overload safety and stability.
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[0084] Example 1: Fragile Section Analysis of IEEE30 Node Calculation System
[0085] The first step is to calculate the power flow distribution of the power grid, and use the power system branch weighting method based on electrical distance and power flow distribution to establish an applicable power system weighting graph model. Table 1 lists the node output power in the embodiment of the IEEE 30-node system, Table 2 lists the line parameters and power flow distribution of the IEEE 30-node system, and Table 3 lists the weights of the lines in the graphical model.
[0086] Table 1 Node output power of IEEE 30-node system
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[0088] Table 2 Line parameters and power flow distribution of IEEE 30-node system
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[0091] Table 3 Weights of lines in IEEE 30-node system diagram model
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[0094] The second step is to establish the Laplacian matrix and degree matrix of the abstract model of the power system graph theory, and calc...
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