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Power network partitioning method based on network structure characteristic analysis

A technology of characteristic analysis and power grid partition, applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve the problems of excessive short-circuit current, power transfer, etc.

Inactive Publication Date: 2019-03-08
RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0012] Aiming at the defects in the prior art, the present invention provides a grid partitioning method based on the analysis of network structure characteristics, aiming to solve the problems of power transfer and short-circuit current exceeding the standard in the open-loop operation of the electromagnetic ring network in the prior art

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  • Power network partitioning method based on network structure characteristic analysis
  • Power network partitioning method based on network structure characteristic analysis
  • Power network partitioning method based on network structure characteristic analysis

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Embodiment Construction

[0064] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

[0065] figure 1 It shows the implementation flow chart of the grid partitioning method based on the analysis of network structure characteristics provided by the embodiment of the present invention, which specifically includes the following steps:

[0066] In step S101, the power network is simplified, and the simplified power network is partitioned with each hub substation as the center.

[0067] In this step, the process of simplifying the power network is divided into the following aspects:

[0068] (1) It is limited to high-voltage transmission network, regardless of the distribution network and the main wiri...

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Abstract

The invention relates to the technical field of power network planning, and provides a power network partitioning method based on network structure characteristic analysis. The power network partitioning method comprises the steps of: carrying out simplification on a power network and carrying out network partitioning on the simplified power network by taking each load-center substation as the center; carrying out optimal splitting processing on the power network subjected to network partitioning; calculating a shortest path length matrix in the power network and all shortest path data; calculating edge weight information of the power network, and according to the calculated edge weight information, calculating a weighting modularity index; and according to the calculated weighting modularity index, outputting electromagnetic loop network partitioning contents so as to implement partitioning on an electromagnetic loop network and provide the theoretical basis for realistic partitioningon the power network.

Description

technical field [0001] The invention belongs to the technical field of power grid planning, and in particular relates to a grid partitioning method based on network structure characteristic analysis. Background technique [0002] According to the requirements of the "Guidelines for the Safety and Stability of Electric Power Systems", reasonable stratification and division should be made according to the voltage level of the power grid and the power supply area. Reasonable stratification, connecting power plants and loads of different scales to the appropriate voltage network; rational division, with the receiving end system as the core, connecting external power sources to the receiving end system, forming an area where supply and demand are basically balanced, and through Tie lines connect adjacent areas. Therefore, with the construction of the higher-level voltage grid, the lower-level voltage grid should gradually realize partition operation, and the adjacent partitions ...

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Application Information

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IPC IPC(8): H02J3/00
CPCH02J3/00H02J2203/20
Inventor 田鑫李雪亮吴健李琨曾军赵龙王艳郑志杰张杰牟宏汪湲高效海张丽娜张玉跃付一木魏鑫袁振华朱毅高晓楠
Owner RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER
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