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A communication method for real-time dynamic monitoring system

A monitoring system and communication method technology, applied in the field of real-time dynamic monitoring system communication, can solve the problems of not supporting phasor transmission, unable to meet the requirements of active adjustment, control and protection of distribution network, and not supporting remote control protection and parameter configuration, etc. , to achieve the effect of ensuring safe operation

Active Publication Date: 2021-08-03
KEDA INTELLIGENT ELECTRICAL TECH +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing communication protocol of the power dynamic monitoring system does not support functions such as remote control protection and parameter configuration, and cannot meet the requirements of active regulation, control and protection of the distribution network; and IEC60870-5-101 (104), which is widely used in distribution automation, As the most widely used protocol in power systems, it has complete functions and high communication efficiency, but it does not support phasor transmission technology

Method used

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  • A communication method for real-time dynamic monitoring system
  • A communication method for real-time dynamic monitoring system
  • A communication method for real-time dynamic monitoring system

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Embodiment Construction

[0023] A communication method for a real-time dynamic monitoring system. The protocol used in the method combines the GB / T-26865.2-2011 protocol and the IEC60870-5-101 / 104 protocol, and supports phasor transmission technology. The protocol defines command channels, data channels, and file channels , three channels coexist to realize simultaneous data transmission; the protocol defines the initialization process of the master station and the slave station; the protocol defines the application service data unit.

[0024] The application service data unit is composed of a data unit identifier and one or more information objects; the number of octets of the public address of the application service data unit is determined by system parameters, and is one or two octets.

[0025] Such as figure 2 As shown, starting the communication between the master station and the sub-station adopts TCP as the underlying communication protocol, and the communication between the master station an...

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Abstract

The invention relates to a communication method for a real-time dynamic monitoring system. The protocol used in the method integrates the GB / T-26865.2-2011 protocol and the IEC60870-5-101 / 104 protocol, and supports phasor transmission technology. The protocol defines a command channel and a data channel 1. File channel, three channels coexist to realize data transmission at the same time; the protocol defines the initialization process of the master station and the slave station; the protocol defines the application service data unit. The present invention can configure some parameters in the sub-station through the remote signaling and telemetry data in the 104 protocol; can actively call and measure the data in the sub-station through the remote control function in the 104 protocol, according to the real-time performance obtained in the 26865 protocol Better data analysis of the real-time operation of sub-stations, and remote operation of sub-stations under specific circumstances to ensure the safe operation of sub-stations.

Description

technical field [0001] The invention relates to the technical field of data communication protocols in distribution network wide-area measurement control and protection systems, in particular to a real-time dynamic monitoring system communication method. Background technique [0002] In order to improve the reliable and safe operation of the active distribution network, improve the power quality and voltage qualification rate, it will be the trend of technological development to introduce phasor measurement technology and wide-area measurement, control and protection system on the basis of distribution automation. However, the existing communication protocol of the power dynamic monitoring system does not support functions such as remote control protection and parameter configuration, and cannot meet the requirements of active regulation, control and protection of the distribution network; and IEC60870-5-101 (104), which is widely used in distribution automation, As the most...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L69/03
Inventor 徐大超史杨青陈力萍徐明兴赵鑫
Owner KEDA INTELLIGENT ELECTRICAL TECH