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Real-time multi-business data communication multiplexing method of electric power system

A business data and data communication technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as high cost, complex composition, rigid structure, etc. Effect

Inactive Publication Date: 2013-12-11
NANJING HONGJUN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The technical problem to be solved by the present invention is to propose a method that can meet the real-time transmission requirements of power system real-time business data and the transmission consistency requirements of synchronous business data. Using this method, the communication system of the multiplexed power system can It can approach or reach the performance index of the private line, and overcome the problems of complex composition, rigid structure and high cost brought about by the network private line

Method used

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  • Real-time multi-business data communication multiplexing method of electric power system
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  • Real-time multi-business data communication multiplexing method of electric power system

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Embodiment 1

[0046] The power system real-time multi-service data communication multiplexing method of this embodiment is applied in a smart substation communication system to multiplex IEC61850 communication services, wherein the smart substation communication system includes a real-time switch core network, a data terminal, an interface module and a Connect the access line between the interface module and the core network of the real-time switch. The data terminal is divided into a data source terminal 1 and a data destination terminal 2, both of which are connected to the real-time switch core network through an interface module, and the interface module is divided into a source terminal interface module 4 and a destination interface module 5 . In this embodiment, the data terminal is an intelligent data terminal IED, and the real-time switch core network has only one switch with a packet transmission mechanism, and the switch uses a packet transmission switch 3 (ie, a PTN switch). The ...

Embodiment 2

[0083] This embodiment is an improvement on the basis of Embodiment 1, and the main difference from Embodiment 1 is that the real-time switch core network of this embodiment uses three packet transfer (PTN) switches, and all switches are connected to each other to form a real-time switch core network.

[0084] In this embodiment, the source-end interface module 4 multiplexes the received single service data and transmits it to the real-time switch core network through the access line, and completes the multiplexing and classification and forwarding of the service data in the real-time switch core network. Multiplexing, and after multiplexing, the third service data is formed and sent to the destination interface module 5 .

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Abstract

The invention relates to a real-time multi-business data communication multiplexing method of an electric power system. The real-time multi-business data communication multiplexing method is characterized in that business data transmitted by a data source end is classified and then transmitted to a source end interface module for multiplexing; a real-time exchanger core network is used for carrying out sub-multiplexing on the received business data according to the type of the business data and then carrying out classification forwarding, all the forwarded business data is multiplexed once more, and the multiplexed business data is transmitted to a target interface module; the target interface module is used for carrying out the sub-multiplexing on the received business data once more, single business data before multiplexing is restored, and the restored single business data is transmitted to a data target end, so that the data transmission business is completed. The real-time multi-business data communication multiplexing method can be used for meeting the requirements of real-time businesses of the electric power system for transmission timeliness and determinacy and ensuring that a multiplexing system can reach or approach the performance index of a special line.

Description

technical field [0001] The invention relates to a real-time multi-service data communication multiplexing method of a power system, which belongs to the technical field of industrial control and communication networks. Background technique [0002] With the development of power system technology, especially since the introduction of information modeling and intelligent technology in this field, more and more data are required to be interacted and shared, the amount of data has increased, and the type of data has also changed from single to diversified. Automation systems The requirements for data transmission and communication systems are getting higher and higher; since the characteristics of different types of business data and their effects on the automatic control process are very different, it is necessary to classify the business data during the data transmission process, so that In the transmission process, they are treated differently to meet different requirements; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/927H04L12/853H04L12/46H04L47/80H04L47/2416
Inventor 汪彦彭鹏张绍邦
Owner NANJING HONGJUN INFORMATION TECH
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