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Remote relay protection test system

A technology of relay protection and testing system, which is applied in the field of power system, can solve problems such as difficult testing and inability to meet all-weather testing, and achieve the effects of simplifying testing work, improving testing efficiency and improving overall reliability

Inactive Publication Date: 2016-05-04
EAST CHINA BRANCH OF STATE GRID CORP +1
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AI Technical Summary

Problems solved by technology

Combining the merging unit and the protection function to realize the in-situ protection device can meet the requirements of the safe operation of the power grid, but it brings many difficulties to the test and cannot meet the all-weather test

Method used

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  • Remote relay protection test system

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Embodiment Construction

[0010] like figure 1 As shown, this embodiment includes: a protection HMI module and a calculation control module arranged in the control room, and an in-situ protection device composed of a relay protection function module and a test module arranged in a remote place, wherein: the calculation control module is used for The test equipment of relay protection is connected through the network and transmits the protection test control information and the output of the applied test stimulus. The local protection device is respectively connected with the protection HMI device through the station layer network and transmits the MMS message information, and the protection HMI device receives the calculation control The test command of the module and the test result are fed back to realize the remote test of the local protection device.

[0011] The protection HMI module includes: a man-machine dialogue unit and a communication interface unit, wherein: the man-machine dialogue unit is...

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Abstract

The invention relates to a remote relay protection test system. The remote relay protection test system comprises a protection HMI module for indoor control, a calculation control module and a remote local protection device comprising a relay protection function module and a test module, wherein the calculation control module is connected with relay protection test equipment through the network and transmits protection test control information and outputs test energizing quantity, the local protection device is connected with a protection HMI device through the station level network and transmits the MMS message information, the protection HMI device receives a test instruction of the calculation control module and feeds back the test result, and a remote test on the local protection device is realized. According to the remote relay protection test system, after one-times intelligent equipment shutdown, the remote online test on the local protection device is carried out, the online relay protection function test is realized, compared with outdoor tests, test work is simplified, test efficiency is improved, and the integral reliability of the system is improved.

Description

technical field [0001] The invention relates to a technology in the field of electric power systems, in particular to a remote test system for relay protection. Background technique [0002] With economic development, social progress, continuous improvement of technology and information technology, and global resource and environmental issues becoming increasingly prominent, the development of power grids is facing new issues and challenges. Relying on modern information, communication and control technologies, actively developing smart grids and meeting the requirements of sustainable development in the future has become a realistic choice for international power development. As an important support for smart grid construction, intelligent primary equipment featuring networked control, digital measurement, online testing and status monitoring has laid a material foundation for the safe and stable operation of the power system and provided sufficient support for optimizing t...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 王毅陈建民邱智勇刘韶俊桂强韩学军
Owner EAST CHINA BRANCH OF STATE GRID CORP
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