Method for calculating sensitivity of branch breakage based on direct-current flow model
A calculation method and sensitivity technology, applied in the field of branch breaking sensitivity calculation based on the DC power flow model, can solve the problems of slow calculation speed and poor accuracy, and achieve the effects of improved calculation accuracy, simplified implementation process and high accuracy
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[0024] The branch disconnection sensitivity calculation method based on the DC power flow model and retaining high-order items proposed by the present invention first analyzes and organizes the physical nodes and their topological connection relationships in the power system into calculation nodes and their topological connection relationships through topology analysis.
[0025] Construct the susceptance matrix B before the power system branch circuit is disconnected according to the computing nodes and their topological connection relationship 0 .
[0026] Form the n-1 dimensional vector Y according to the susceptance value of the disconnected branch km and its branch (n is the number of calculation nodes, Y i is the i-th element of the vector, b km is the susceptance value of branch km). As follows:
[0027] Y = 0 . ...
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