Method for recognizing grid topology based on measurement spanning tree
A technology of power grid topology and identification method, applied in the field of power system dispatch automation, can solve problems such as limited scope of application of rules, wrong parameters, cumbersome network analysis, etc., and achieve the effects of easy understanding and analysis, fast calculation speed, and clear physical concept.
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[0022] The method for identifying grid topology errors based on the measurement spanning tree proposed by the present invention has a flowchart such as figure 1 As shown, including the following steps:
[0023] (1) Generate the bus-branch model of the power grid based on the remote signal status information of the switch switch in the power grid, select a bus from each active island of the power grid as the root node, and use the breadth-first search method to select all the buses in the power grid According to the distance from the root node, it is sorted into different layers to generate a tree structure of the power grid. Starting from the root node of the tree structure, according to the hierarchical relationship, according to the voltage amplitude and phase angle of the parent node, the voltage of the child node is calculated in turn The amplitude and phase angle, the voltage amplitude and phase angle of the sub-node are the voltage amplitude and phase angle of the bus. Ther...
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