Communication method of i0 interface in intelligent substation on-line monitoring system

A technology for smart substations and monitoring systems, applied in information technology support systems, electrical components, circuit devices, etc., can solve problems such as sharing and unified processing difficulties, achieve the effects of improving operational reliability, simplifying verification work, and promoting application

Active Publication Date: 2016-09-07
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Schematic diagram of interface of traditional substation on-line monitoring system figure 2 As shown, there has been a long-standing problem of privatization, sharing and unified processing of the data model, communication method, and communication protocol in the process layer of the online monitoring system

Method used

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  • Communication method of i0 interface in intelligent substation on-line monitoring system
  • Communication method of i0 interface in intelligent substation on-line monitoring system
  • Communication method of i0 interface in intelligent substation on-line monitoring system

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Experimental program
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Embodiment 1

[0043] The invention relates to a communication method of an I0 interface in a smart substation online monitoring system, specifically comprising:

[0044] The lightning arrester monitoring device, iron core / clamp grounding monitoring device, SF6 monitoring device, and capacitive equipment monitoring device in the substation can be required to meet the I0 interface specification.

[0045] It defines the communication messages between the comprehensive monitoring unit and the monitoring device of the online monitoring system of substation equipment, mainly including: time query / setting, monitoring data query, configuration information query / setting, alarm threshold query / setting, etc.

[0046] In the I0 data communication mode of the substation equipment online monitoring system, the application layer adopts the MODBUS protocol, and the lower layer preferably adopts the RS485 or TCP / IP protocol.

[0047] (1) The I0 interface communication method in the smart substation online mon...

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Abstract

The invention relates to the technical field of an online monitoring system of an intelligent substation, in particular to an I0 interface protocol in the on-line monitoring system of an intelligent substation. The invention defines the communication message format, message classification, data communication mode and data transmission mode between the monitoring device of the substation online monitoring system and the comprehensive monitoring unit. The present invention can put an end to the problems that the data model, communication mode and communication protocol of the process layer of the online monitoring system are too privatized for a long time, and the problems of sharing and unified processing are difficult. Unify the standardized access of status monitoring data, realize the standardized communication of the status monitoring system, promote the application of substation equipment status monitoring technology, and improve the operation reliability of the power grid. In order to provide a complete set of standardized solutions and implementation plans for the subsequent construction of the online monitoring system of smart substations, to ensure that online monitoring can effectively play its due role, and to provide strong support for the visualization of primary equipment status and the condition maintenance of power equipment.

Description

technical field [0001] The invention relates to the technical field of an on-line monitoring system of an intelligent substation, in particular to an I0 interface communication method in an on-line monitoring system of an intelligent substation. Background technique [0002] The design goal of the online monitoring system for substation equipment is to meet the requirements of the State Grid Corporation of China for the construction of a strong smart grid, combined with the development strategy of "three sets and five majors", and relying on PMS, to establish a unified substation of "two-level deployment and three-level application" within the company The equipment status monitoring system regulates the access of online monitoring data of various substation equipment, provides the functions of display, early warning, analysis, diagnosis, evaluation and prediction of online monitoring information of various substation equipment, and provides online monitoring for other related...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
CPCY04S10/16Y04S40/128Y02E60/00
Inventor 高强耿宝宏程大伟李艳丹陈虹全于淼郭劲松耿建孟山川钟川李洪凯张静
Owner STATE GRID CORP OF CHINA
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