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Monitoring system and monitoring method for digital substation process layer communication

A monitoring system and process layer technology, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of large data volume and high frequency of sampling value messages, and improve controllability and maintainability. The effect of fast pre-analysis and high-precision packet capture

Active Publication Date: 2012-02-08
SHANGHAI ELECTRIC POWER DESIGN INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially for sampled value messages, due to the large amount of sampled value messages and the high frequency of occurrence, there is no monitoring system and related monitoring methods to effectively monitor sampled value messages

Method used

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  • Monitoring system and monitoring method for digital substation process layer communication
  • Monitoring system and monitoring method for digital substation process layer communication
  • Monitoring system and monitoring method for digital substation process layer communication

Examples

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Embodiment Construction

[0056] In order to realize the comprehensive monitoring of the data communication of the substation process layer, the monitoring system and monitoring method of the substation process layer communication must meet the following requirements in terms of network access, acquisition and analysis of various signals:

[0057] (1) When the monitoring system of the process layer is connected to the process layer, it cannot affect the original network, that is, the access must be realized without any changes to the communication network equipment of the secondary loop, and after access , and cannot affect network operation. At the same time, it should be ensured that all signals of the complete secondary loop can be obtained from all access points.

[0058] Therefore, the information acquisition and pre-analysis device included in the monitoring system cannot have any data transmission capability, that is, the information acquisition and pre-analysis device prohibits the data transmi...

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Abstract

The invention discloses a system and a method for monitoring communication among process layers of a digitalized transformer substation. The process layers are provided with a plurality of merging units and a plurality of optional switchboards. For a process layer not configured with a switchboard, each merging unit is provided with at least an information monitoring interface; for a process layer configured with a switchboard, the switchboard is provided with at least one information monitoring interface. The monitoring system comprises at least one information acquisition and pre-analysis device used for capturing and pre-analyzing the sample value message of the process layers; the monitoring system also comprises a monitoring and analyzing device used for analyzing the sample value message off-line in a comprehensive way, each merging unit or each switchboard is connected with the information acquisition and pre-analysis device via the information monitoring interface, and the information acquisition and pre-analysis device is connected with the monitoring and analyzing device. The inventive monitoring system and method can capture and pre-analyze the sample value message of the process layers in real time, thus greatly improving controllability and maintainability of the transmission of the sample value message of the process layers of the digitalized transformer substation.

Description

technical field [0001] The invention relates to a monitoring system and method, in particular to a monitoring system and method for digital substation process layer communication. Background technique [0002] In recent years, the rapid development of computer technology, information processing technology and network communication technology has had a huge impact on the substation automation system. Real-time evaluation improves system security and stability, formulates and implements economic operation strategies, and helps power systems implement emergency control and anti-accident control. Therefore, digital substation will be the development direction and inevitable trend of substation automation technology. [0003] With the gradual maturity and deepening of the digital substation implementation technology, the application implementation of the digital substation has developed from the initial oriented substation layer and bay layer to the process oriented layer. Loop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
CPCY02E60/723Y04S10/16Y02E60/00
Inventor 陈文升张结
Owner SHANGHAI ELECTRIC POWER DESIGN INST
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