Abstract
Topology model is the basis of perceiving power grid state. Wrong topology model will lead to the deviation of state estimation results from the real operation state. Firstly, this paper briefly analyzes the classification and characteristics of topology errors. Secondly, the characteristics of two existing mainstream topology identification methods are compared and analyzed. Then, we analyze the existing topology identification models and methods. Finally, the problems of the existing schemes are summarized. The results show that the mixed integer programming model based on optimization principle can solve topology errors more efficiently.
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