Transformer area topology discovery method based on high-frequency synchronous acquisition and edge calculation

Abstract

The invention provides a transformer area topology discovery method based on high-frequency synchronous collection and edge calculation, and the method comprises the following steps: obtaining the electrical quantity data of an electric meter, and storing the electrical quantity data to form time sequence electrical quantity data; performing time sequence electrical quantity data curve similarityanalysis at the concentrator; analyzing the connection relationship between the nodes by combining the correlation of the time sequence electrical quantity data; generating transformer area electricaltopology. The transformer area topology discovery method based on high-frequency synchronous acquisition and edge calculation has the advantages that hardware equipment does not need to be added, theworkload of field installation and maintenance is avoided, the data synchronism is ensured, the convergence time is short, and the accuracy of electrical topology judgment of a low-voltage transformer area is improved; moreover, after all devices in the network are successfully networked, the whole topology judgment process is carried out at the concentrator, i.e., data processing is carried outat a local execution end, so that the pressure of the master station is reduced, the real-time performance of data analysis and the service requirement of low time delay are met, and the system efficiency is improved.

Description

technical field [0001] The invention relates to an electrical physical topology identification technology based on a low-voltage distribution network, in particular to a station area topology discovery method based on high-frequency synchronous acquisition and edge calculation. Background technique [0002] At present, the existing methods for discovering the electrical topology of the low-voltage distribution station area mainly include: [0003] (1) Add hardware devices such as wave traps to the nodes of the low-voltage distribution network (such as the meter box), and determine the status of each node by blocking the incoming signal (such as the power line carrier signal sent by the concentrator). Topological location. The feature of this method is that it is simple and easy to implement, but it needs to add additional hardware equipment, and also increases the workload of installation and maintenance, without much improvement in efficiency. [0004] (2) Short-circuit t...

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Problems solved by technology

[0006] The purpose of the present invention is to provide a station area topology discovery method based on high-frequency synchronous acquisition and edge computing, to solve the above-mentioned need to increase hardware equipment, increase the workload of installation and maintenance, cannot guarantee the simultaneity of data, and the accuracy of topology recognition is not enough high problem

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