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Rapid network topology analysis method

A network topology and analysis method technology, applied in the field of fast network topology analysis, to achieve the effect of real-time improvement

Active Publication Date: 2012-02-15
HUNAN ELECTRIC POWER CORP RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a fast network topology analysis method suitable for deployment of integrated systems for the defects of conventional network topology analysis in power distribution automation systems and deployment integration systems. Reduce the scope of searched equipment, do not need to divide the topological island of the distribution network separately, greatly improve the speed of network topology analysis, and have no adverse effects on the existing EMS advanced application modules

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1), read the grid connection point model data of the original network model from the model library of the distribution network into the memory of the topology analysis algorithm;

[0022] (2), search the feeder section from the model library of the distribution network, find the connection points connected together by the feeder section, and use the conventional method to form the extended connection point;

[0023] (3) Search the switch from the model library of the distribution network, find the connection point or the expansion connection point connected with the switch, and use the conventional method to form the main bus;

[0024] (4), search out the AC line and the transformer calculation model from the model library of the distribution network, and use the conventional method to form the calculation branch of the transformer winding of the AC line and the transformer calculation model;

[0025] (5), from the real-time storehouse of distribution network, read the...

Embodiment 2

[0030] Steps (1) to (7) are the same as in Embodiment 1; read the grid connection point model data of the original network model from the model library of the distribution network into the topology analysis algorithm memory;

[0031] (8) Execute the contents of steps (5) to (7) every 5 seconds, and repeat.

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Abstract

The invention introduces a rapid network topology analysis method, which comprises the following steps of: 1) reading data; 2) forming extension connection points; 3) forming a main bus bar; 4) forming branches; 5) reading a switch state; 6) forming a calculation bus bar; 7) forming topological islands; and 8) circulating or triggering execution. By adopting the method, the number of equipment which is required to be searched is reduced to four to eight times and the speed of network topology analysis is improved by one order of magnitude. The rapid network topology analysis method has the beneficial effects that: 1) the real-time performance of the network topology analysis in an integrated dispatching and distribution system and the requirement of a grid on the real-time performance of the topology analysis is satisfied; and 2) the result of integrated dispatching and distribution topology analysis does not influence a high-level application module in the existing energy management system (EMS), and the high-level application module in the existing EMS is not required to be modified and can be applied to the integrated dispatching and distribution system.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering and relates to a fast network topology analysis method suitable for an integrated deployment system. Background technique [0002] No matter in distribution automation system or dispatch automation system, network topology analysis is an important basic function module. Network topology analysis is the basis for various advanced applications, such as dynamic coloring, state estimation, power flow calculation, voltage and reactive power optimization, fault analysis and dispatcher simulation training, etc., and is the basis for realizing the smart grid dispatching support system. At present, when conventional network topology analysis methods are applied to large and medium-sized distribution automation systems or integrated deployment systems, there are still the following problems: [0003] (1) Due to the scattered distribution network equipment, too many devices that need to b...

Claims

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Application Information

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IPC IPC(8): H02J3/00
Inventor 薛玮孙秋鹏汪少辉谭志海张云娜葛亮赵凤青冷华陈宏朱吉然
Owner HUNAN ELECTRIC POWER CORP RES INST
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