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Heterogeneous grid structure topology mapping method for offline and online data of power grid

A topology mapping and power grid technology, applied in geometric CAD, design optimization/simulation, etc., can solve problems such as not realizing accurate network topology mapping

Pending Publication Date: 2020-03-13
CHINA ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Accurate network topology mapping is not achieved, that is, one-to-one correspondence between primary devices (including bus nodes) and the connection relationship between devices

Method used

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  • Heterogeneous grid structure topology mapping method for offline and online data of power grid
  • Heterogeneous grid structure topology mapping method for offline and online data of power grid
  • Heterogeneous grid structure topology mapping method for offline and online data of power grid

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Embodiment Construction

[0030] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0031] Please see figure 1 , figure 1 It is a schematic flowchart of a heterogeneous grid topology mapping method for power grid offline and online data provided by the embodiment of the present application. The following is combined figure 1 The method provided in the embodiment of the present application will be described in detail.

[0032] Step S101, according to the electrical characteristics of the primary equipment of the grid and the inherent characteristics of the grid, the topology network of the primary ...

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Abstract

The invention discloses a heterogeneous network frame topology mapping method for offline and online data of a power grid, which is characterized by comprising the following steps of: decomposing a primary equipment topology network of a power grid into two stages of networks according to electrical characteristics of primary equipment of the power grid and inherent characteristics of the power grid; wherein the first-layer network is composed of a plant station and a line to form a plant-station-level topological network; the topology network is homologous and isomorphic, and subnet isomorphic algorithm topology mapping of the graph theory is applied; wherein the second-layer network is composed of primary equipment of each plant station, and the offline data and the online data form a topological network according to the connection relationship between the primary equipment and the secondary equipment; and expanding the topological networks of the plant stations and the lines of thefirst-layer network to the topological network of the primary equipment by the first-layer network and the second-layer network through the connection relationship between the bus and the lines, so that the whole-network topological mapping of offline and online data is realized, and the mapping from the node correspondence of the primary equipment of the offline data and the online data to the whole-network topological network is realized.

Description

technical field [0001] The present application relates to the technical field of power system simulation, and in particular to a topology mapping method of heterogeneous grids for offline and online data of a power grid. Background technique [0002] At present, power grid simulation analysis in China is roughly divided into two modes, offline mode and online mode. The off-line mode usually uses BPA and PSASP power calculation and analysis programs to simulate and analyze the pre-built power grid model. This patent adopts the offline data model of the power grid calculation database (PSDB), and supports the export of the grid mathematical model of different types of calculation programs. One is based on online data, such as the QS file of D5000’s operating state estimation, combined with the offline data of the power grid for model mapping and other steps, to generate a set of calculation models that meet the operating conditions of the power grid, and then use the BPA or P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F30/18
Inventor 张海顺陶向红王虹富张志强常松张鑫赵丹范亚娜刘燕嘉
Owner CHINA ELECTRIC POWER RES INST
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