Node injection power-based running topology identification method of power distribution network
A technology of node injection power and identification method, which is applied in the field of power system analysis and calculation, and can solve the problem that it is difficult to obtain the voltage measurement data of each node.
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[0079] The implementation of the present invention will be further described below in conjunction with the accompanying drawings and examples, but the implementation and inclusion of the present invention are not limited thereto.
[0080] A distribution network operation topology identification method based on node injected power, comprising the following steps:
[0081] 1) First, construct a network model based on the correlation matrix from the original ring network structure of the distribution network and the impedance information of the line;
[0082] 2) Construct a linearized relationship model between node voltage and node injected power;
[0083] 3) Construct the variance model of branch voltage deviation based on node injection power measurement
[0084] 4) On this basis, the variance formed by the collected node injection power is set as the line weight, and the identification of the operating topology of the distribution network is realized through the Kruskal algo...
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