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Method and system for determining the number of grid partitions and grid partitions

A grid partition and quantity technology, applied in data processing applications, instruments, resources, etc., can solve the problem that the grid partition method cannot automatically determine the number of partitions, etc.

Active Publication Date: 2017-09-15
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing grid partition method cannot automatically determine the number of partitions

Method used

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  • Method and system for determining the number of grid partitions and grid partitions
  • Method and system for determining the number of grid partitions and grid partitions
  • Method and system for determining the number of grid partitions and grid partitions

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Embodiment Construction

[0024] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] figure 1 A flowchart showing a method for determining the number of grid partitions according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0026] S11: Calculate the load current virtual potential of each non-power node in the power grid;

[0027] S12: Obtain a set of non-power supply nodes directly connected to each non-power supply node of each non-power supply node;

[0028] S13: Determine the node with the local maximum potential value in each non-power supply node, the potential value of the load current virtual potential of the local maximum potential value node is greater than the potential value of the load current virtual potential of all non-power supply nodes directly connected to this node value;

[0029] S14: Determine the number of grid partitions, where the numbe...

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Abstract

The present invention relates to a method and system for determining the number of grid partitions and grid partitions, wherein the method for determining the number of grid partitions includes: calculating the load current virtual potential of each non-power supply node in the grid; obtaining each non-power supply node The set of non-power supply nodes directly connected to the non-power supply node; determine the potential value local maximum node in the non-power supply node, and the potential value of the potential value local maximum node is greater than all non-power supply nodes directly connected to the node The potential value of the node; determine the number of grid partitions, and the number of grid partitions is the number of local maximum nodes of the potential value. Subsequently, the internal nodes and boundary nodes of the partition can be determined according to the local maximum node of the potential value; the attribution of the boundary nodes of the partition can be determined, so as to realize the automatic partition of the power grid without additional manual analysis, and can track the changes of the power grid structure in real time , to automatically adjust the partition results.

Description

technical field [0001] The invention relates to the technical field of grid power supply, in particular to a method and system for determining the number of grid partitions and the grid partitions. Background technique [0002] The unbalanced geographical distribution of electric energy demand and primary energy has prompted the modern power industry to develop in the direction of cross-regional and even cross-country interconnection. The interconnection of the power grid can effectively utilize scattered resources and improve the reliability of system operation; but at the same time, it also makes the scale of the system larger and more complex, and the monitoring, analysis and calculation of the safety of the power grid operation become more and more difficult. [0003] Grid interconnection is to connect several regional power grids into a large power grid through a small number of transmission lines. The connection between regional power grids is relatively weak, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06
Inventor 许立雄刘剑刘俊勇刘洋
Owner SICHUAN UNIV