Multi-fault protecting/recovering method and system in electric power optical fiber communication network

A technology for multiple faults and communication networks, applied in distribution line transmission systems, transmission systems, digital transmission systems, etc., can solve problems such as unguaranteed service recovery, complex single fault survivability, and impact on backup path connectivity, etc., to achieve protection The effects of property security, survivability assurance, and resilience enhancement

Active Publication Date: 2014-01-01
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

[0004] In the case of multiple failures, if a new failure affects the connectivity of the backup path (all backup links are no longer connected due to multiple failures), the network cannot g

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  • Multi-fault protecting/recovering method and system in electric power optical fiber communication network
  • Multi-fault protecting/recovering method and system in electric power optical fiber communication network

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[0023] The technical solution of the present invention will be further described below in conjunction with the drawings and specific embodiments.

[0024] See figure 1 As shown, a multiple fault protection / recovery method in a power optical fiber communication network includes the following steps:

[0025] Step S101: Acquire network topology information, service requirement information, link information, etc., and then enter step S102.

[0026] Step S102: Determine the survivability priority level of a given service according to the service level, service protection and restoration requirements, etc. in the service requirement information.

[0027] As a better embodiment, the services with priority levels of survivability from high to low are: power grid operation control service, operation information service, and enterprise management service. According to different functions, the power system communication business is mainly divided into power grid operation business and enterprise...

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Abstract

The invention provides a multi-fault protecting/recovering method and system in an electric power optical fiber communication network. The method comprises the following steps that network topological information, service demand information and link information are obtained; the survivability priority level of given service is determined according to the service level and the service protecting and protecting requirement in the service demand information; according to the network topological information and the link information, M:N source-destination node pairs are established; when the fact that multiple faults happen in the electric power optical fiber communication network is detected, whether the pre-established M:N source-destination node pairs can protect a link in which the multiple faults happen is judged; if not, service with higher survivability priority level is protected/recovered preferentially. The method and system guarantee the survivability of the electric power optical fiber communication network during major natural disasters, the continuous and reliable communication ability of the electric power optical fiber communication network is guaranteed, the fault risk resisting ability of electric power optical fiber communication network protection is enhanced, and the property safety of an electric power system is protected.

Description

technical field [0001] The invention relates to a power fiber optic communication network, in particular to a multiple fault protection / restoration method in the power fiber optic communication network and a multiple fault protection / recovery system in the power fiber optic communication network. Background technique [0002] Electric power systems are the largest and most complex man-made physical systems known. The power grid connects power generation sources with different characteristics and user loads, and provides a channel for the flow of electricity required by human beings. Power communication mainly serves for the automatic control, commercial operation and realization of modern management of the power grid. It is the foundation of the power grid security and stability control system and dispatching automation system, the guarantee for the commercialization of power market operations, the important prerequisite for realizing the modern management of the power syst...

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Application Information

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IPC IPC(8): H04L12/24H04B3/54
Inventor 曾瑛汪莹仇英辉黄斌朱文红刘新展樊冰张珮明李星南
Owner POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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