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Method for searching key failure nodes in power heterogeneous communication network system

A communication network and network node technology, which is applied in the field of searching for key problem nodes, can solve the problems of complex network, power communication dispatching data network, network prone to large-scale failures, etc., and achieve the effect of improving reliability and avoiding cascading failures

Inactive Publication Date: 2016-10-12
国网江西省电力有限公司经济技术研究院 +1
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Problems solved by technology

In related research, it can be concluded that the power communication dispatching data network has network complexity and vulnerability; in addition to the power communication dispatching data network, the power heterogeneous communication network used for metering collection and big data analysis has a more complex network , its network is more prone to large area failures

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  • Method for searching key failure nodes in power heterogeneous communication network system
  • Method for searching key failure nodes in power heterogeneous communication network system
  • Method for searching key failure nodes in power heterogeneous communication network system

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0033] The specific steps of the power heterogeneous communication network control method are as follows:

[0034] Step A, judging whether the network is a large-scale electric power heterogeneous communication network, whose network satisfies the characteristics of a complex network, and judging whether the network satisfies the complexity:

[0035] A1, according to the network nodes and topology, calculate the out-degree and in-degree of the network nodes;

[0036] A2, according to the network node and topology, calculate the minimum value of the out-degree and in-degree of the network node;

[0037] A3, judge whether the network satisfies the following relationship, the expression is

[0038] P I ( k i ) = ...

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Abstract

The invention relates to a method for searching key failure nodes in a power heterogeneous communication network system. A self-organized critical theory of a complex network is introduced into the method; furthermore, key network nodes causing conversion of a power heterogeneous communication network from a self-organized state to a critical state can be found by using an iterative method; therefore, a large-area cascading failure of the network can be avoided; and the reliability of the power communication network system is improved. The method comprises the following steps of: judging whether the network satisfies the complexity or not; performing regional division of the large power heterogeneous communication network; searching nodes in the divided regional network so as to find out key failure nodes; rapidly recovering the key failure nodes or making a key failure node cut-off scheme; and searching other triangular divided local network areas.

Description

technical field [0001] The invention relates to a method for searching key problem nodes in a power heterogeneous communication network system, belonging to the technical field of power communication networks. Background technique [0002] With the introduction of the concept of Energy Internet, especially the construction of smart grid, the status of intelligent power network has become increasingly prominent. The basis of intelligent power network is the power communication network; the power communication network has a wide coverage, complex topology and Nodes change rapidly, and the statistical parameters of the network conform to the characteristics of complex networks, so it cannot be analyzed by the random process of general networks; with the development of complex network theory, human beings have gradually deepened their understanding of complex networks; As the scale of the network becomes larger and the topology of the network becomes more complex, it is derived ...

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/12H04L41/142H04L41/145
Inventor 黄春明朱文广李映雪刘小春熊宁
Owner 国网江西省电力有限公司经济技术研究院
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