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Double route configuration method for electric power optical fiber communication net services

A technology of power optical fiber and configuration method, which is applied in the field of power communication network, can solve problems such as the limited number of optical cables and difficulty in meeting the needs of actual projects, and achieve the effects of ensuring no overload, improving resource utilization, and improving the ability to interrupt

Inactive Publication Date: 2014-06-18
北京万可信息技术有限公司
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AI Technical Summary

Problems solved by technology

[0004] In addition, the power communication network contains dual optical cables, the number of optical cables is limited when carrying line relay protection services, and the existing routing methods are more difficult to meet the needs of actual projects

Method used

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  • Double route configuration method for electric power optical fiber communication net services
  • Double route configuration method for electric power optical fiber communication net services
  • Double route configuration method for electric power optical fiber communication net services

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Embodiment Construction

[0037] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Figure 4 It is a flow chart of dual routing configuration for power services provided by the present invention, including:

[0039] (1) Determine the network parameters: build a reasonable network graph model G(V, E, W, Q, C) based on the actual network, where G is the network topology, V=﹛v 1 ,v 2 ,...,v n ﹜ is the node set of graph G, each element v in V i (i=1,2,…,n) is a node in graph G; E=﹛e 1 ,e 2 ,...,e m ﹜ is the edge set of graph G, each element e in E k (k=1,2...,m) (that is, some two elements v in V i and v j unordered pair) is a graph from v i to v j side, denoted as e k =(v i ,v j ); W=﹛w(v 1 ),w(v 2 ),…,w(v n ),w(e 1 ),w(e 2 ),…,w(e m )﹜ is the weight set of nodes and edges in graph G, where w(v i ) for node v i The weight of w(e k ) is side e k weight; Q=﹛q(e 1...

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Abstract

The invention discloses a double route configuration method for electric power optical fiber communication net services. The double route configuration method comprises the step of establishing a reasonable and effective electric power optical fiber communication net service transmission model G (V, E, W, Q and C) according to the practical engineering, and the step of ranking services according to the importance degree, and configuring two routes (AP and BP) not crossed completely based on the improved Bhandrari algorithm and processing a bilateral (max{q(ek)}=2) network diagram according to the actual situation based on the new algorithm, wherein the maximum bearing service volume c (ek) of each optical cable is allowed to be set. By means of the method, the requirements of the electric power services needing to be configured with two paths separated completely can be met, and the services are still safe and reliable under the cable breakdown and other failure situations. By means of the double route configuration method, the bilateral network diagram mapped by two optical cables can be processed, and the optical cable bearing capacity is allowed to be set. The double route configuration method has a certain advantage in balancing the network load.

Description

technical field [0001] The invention belongs to the technical field of electric power communication networks, and relates to a dual-routing configuration method for electric power optical fiber communication network services. Background technique [0002] The power communication network carries a variety of services, among which the line relay protection service and security and stability control service have the highest security level. Correspondingly, the routing requirements are also very high, and dual routing is usually required. Taking the line relay protection business as an example, once the information transmission is wrong or fails, the protection equipment refuses to operate or malfunctions, which will cause a power outage and bring huge economic losses. Therefore, the relevant standards stipulate that two optical fiber composite overhead ground wires (OPGW) should be installed on single-tower double-circuit lines above 220kV, and at least one OPGW optical cable s...

Claims

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Application Information

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IPC IPC(8): H04L12/711H04L12/803H04L45/247
Inventor 何玉钧王慧芳高会生陈冉
Owner 北京万可信息技术有限公司
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