10kV power distribution network line switching method

Abstract

The invention discloses a 10kV power distribution network line switching method. The method comprises the following steps of (1) acquiring characteristic parameters of each 10kV line in a 10kV power distribution network of a jurisdiction and establishing a database; (2) monitoring the operation condition of each 10kV line in the 10kV power distribution network and entering step (3) to select a 10kV line B after circuit switching when one 10kV line A triggers a circuit switching condition, (3) firstly, screening 10kV lines meeting necessary conditions in all 10kV lines which have a contact relationship with the 10kV line A, scoring the plurality of 10kV lines meeting the necessary conditions according to non-necessary conditions, arranging score sums from high to low, and selecting a line with the highest score as a 10kV line B after the circuit switching, and (4) switching a part / load on the 10kV line A to the 10kV line B. According to the invention, a new problem of a new line generated after a switching operation through artificial experience judgment in the prior art is effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a circuit reversing method for a 10kV distribution network. Background technique [0002] Grid mode change is a common adjustment measure, and it is widely used in fault handling and dealing with seasonal risks. Temporary adjustments are made by changing the reverse mode to ensure reliable operation of the grid. [0003] The change of the existing switching method only considers the interconnection between the same voltage levels, and does not fully consider the relationship with its superior power supply, relay protection, phase sequence, actual site conditions, etc., and the connection between each line The relationship requires artificial memory, and there are incomplete and inaccurate situations. Solving one problem often leads to the emergence of another causal problem. In order to solve the new problem, the method must be changed again, resulting in the ...

AI Technical Summary

Problems solved by technology

[0003] The change of the existing switching method only considers the interconnection between the same voltage levels, and does not fully consider the relationship with its superior power supply, relay protection, phase sequence, actual site conditions, etc., and the connection between each line The relationship requires artificial memory, and there are incomplete and inaccurate situations. Solving one problem often leads to the emergence of another causal problem. In order to solve the new problem, the method must be changed again, resulting in the workload of the on-duty and on-site operators. Increase, seriously increase the risk of power grid operation

Some on-site actual conditions cannot be obtained from the data and lack of comprehensive consideration during implementation. They can only be judged through actual on-site operations, and there is a lack of simulation to prevent misoperations before implementing changes.

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