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Routing method for substation system based on protection intelligent center

A technology of intelligent centers and substations, applied in transmission systems, circuit devices, digital transmission systems, etc., can solve problems such as little research and achieve the effect of improving reliability

Inactive Publication Date: 2015-04-08
HUAZHONG UNIV OF SCI & TECH +1
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Problems solved by technology

[0004] However, the proposal of the protection intelligence center only solves the problem of how to improve the reliability of the secondary system when the hub substation group responds to disasters from a theoretical level. There is little research on communication, and the basis for the realization of the protection intelligence center is reliable information transmission

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  • Routing method for substation system based on protection intelligent center

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0014] Such as figure 1 As shown, the routing selection method of the substation system based on the protection intelligent center in the embodiment of the present invention includes the following steps:

[0015] (1) The protection intelligence center establishes the network topology of the substation system based on the protection intelligence center based on the operation data of each hub sub...

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Abstract

The invention discloses a routing method for a substation system based on a protection intelligent center. Aiming at the protection intelligent center used as a back-up protection strategy of a whole hub substation group, improvement is made on common routing algorithms for the substation system. The topology of the substation system is established by making use of communication between the protection intelligent center and surrounding hub substations; the hub substations acquire and uses the topology to make judgment on information transmission failure and upload a judging result; and the protection intelligent center updates the network topology according to the judging result, searches candidate paths among the hub substations, and determines a preferred information transmission path between two hub substations under the constraints of the reliability and information delay of information transmission paths. High-speed communication of the substation system based on the protection intelligent center is fully utilized, and the reliability of the hub substation system is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of power network communication, and more specifically relates to a routing selection method for a substation system based on a protection intelligence center. Background technique [0002] At present, in terms of the development of the power grid itself, both the resource-intensive western region and the load-intensive eastern region have formed hub substation groups that can directly determine the stability of regional power grids and even the stability of large power grids. These hub substation groups also face the problems of reduced protection reliability after the secondary system is highly concentrated and slow recovery of the secondary system after the disaster. In order to solve the above problems, the intelligent protection center for intelligent substation groups came into being. [0003] As a part of the substation system, the protection intelligence center provides backup protection for the regi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00H04L12/721H04L12/751H04L45/02
CPCY04S10/16Y02E60/00
Inventor 林湘宁薄志谦张锐童宁田丰伟黄景光魏繁荣杨鹏宇
Owner HUAZHONG UNIV OF SCI & TECH
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