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Load redistribution method for electric power coupling network to resist cascade failure

A technology of cascading failure and distribution method, applied in data exchange network, electrical components, electrical digital data processing and other directions, can solve the problems of node failure of communication network, power grid-related node failure, system impact, etc.

Inactive Publication Date: 2014-07-30
北京华泽云通网络科技有限公司
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Problems solved by technology

The node failure of the communication network may cause the failure of the relevant nodes of the power grid, which in turn may cause the failure of the nodes of the communication network. If this cascade continues, a small fault may eventually have a major impact on the entire system

Method used

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  • Load redistribution method for electric power coupling network to resist cascade failure
  • Load redistribution method for electric power coupling network to resist cascade failure
  • Load redistribution method for electric power coupling network to resist cascade failure

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Embodiment Construction

[0087] In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0088] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0089] figure 1 It is a schematic flowchart of the load redistribution method for resisting cascading failures in the power coupling network of the present invention. The present invention comprises several steps:

[0090] S1: abstract the coupling network into a topology model;

[0091] Firstly, the acquisition method is implemented to abstract the normal working generators and substations above 35KV in the regional power grid into power nodes V p ; Obtain ...

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Abstract

The invention discloses a load redistribution method for an electric power coupling network to resist cascade failure. The load redistribution method for the electric power coupling network to resist the cascade failure comprises the steps of abstracting and simplifying equipment in a communication network and a power network as a coupling network topology model; establishing a node capacity model according to the characteristics of the coupling network; establishing a load redistribution model according to a distribution method of loads after node failure; establishing a cascade failure model according to the characteristics of node failure of the coupling network; attacking communications network nodes, obtaining the maximum function set of power grid nodes after the coupling network is stabilized, and selecting the optimal load redistribution method. The method improves the capacity of the electric power coupling network for resisting the cascade failure, is beneficial to reducing maintenance cost, and improves the economic benefits and the social benefits of an electrical power system.

Description

technical field [0001] The invention belongs to the technical field of power network and communication network anti-destruction technology, and in particular relates to a load redistribution method for power coupling network against cascading failure. Background technique [0002] In recent years, some practical problems, such as traffic network congestion, power network blackouts, etc., have attracted many scholars' interest in studying complex network theory, which has greatly promoted the prosperity and development of network science. For a long time, people's research was limited to the study of a single network, without considering the influence of this network on other networks and the influence of other networks on this network. With the deepening of research, it is found that some networks are very closely related, the characteristics of one network are affected by the characteristics of another or several networks, and the interaction between networks is gradually r...

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Application Information

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IPC IPC(8): H04B3/54H04L12/24G06F17/50
Inventor 吴润泽张保健
Owner 北京华泽云通网络科技有限公司
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