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Digital protection automatic test device and test method based on IEC61850

A technology of automatic testing and protection devices, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve problems such as low degree of automation, poor versatility, and inability to perform automatic testing, so as to improve work efficiency and reduce power outages for maintenance. time, the effect of ensuring test integrity

Inactive Publication Date: 2015-12-16
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) The versatility is poor, and the automated test can only be aimed at a certain model of a certain manufacturer;
[0007] (2) The degree of automation is low, and a large number of test parameters need to be manually configured and input by testers, which cannot achieve true automatic testing;
[0008] (3) The protection mode of the traditional microcomputer protection must have a hard plate connection for operation. To change the protection mode during the test process, it is necessary to adjust the wiring of the plug-in. Under the existing conditions, manual operation is not possible. Avoided

Method used

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  • Digital protection automatic test device and test method based on IEC61850
  • Digital protection automatic test device and test method based on IEC61850
  • Digital protection automatic test device and test method based on IEC61850

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specific Embodiment approach 1

[0026] Embodiment 1. A fully automatic test device for digital protection based on IEC61850 is characterized in that it includes a digital protection device, a host computer and a lower computer, and the lower computer is connected with the process layer of the device under test. The protection device, the lower computer and the upper computer realize data interaction with each other, and the upper computer is connected to the station control bus interface through the Ethernet interface.

[0027] The test device described in this embodiment is based on the release of the MMS standard for the station control layer of the IEC61850 communication standard. An MMS-based automatic closed-loop test device for intelligent substation drilling is proposed. The device integrates the station control layer and the process layer to automatically identify the protection type according to the commissioning outline. , Automatically generate debugging schemes, automatically combine and generate ...

specific Embodiment approach 2

[0030] Specific embodiment 2. A fully automatic test method for digital protection based on IEC61850, characterized in that it is implemented based on the following devices, the device includes a digital protection device, a host computer and a lower computer, and the lower computer and the The process layer of the test equipment is connected, and the digital protection device, the lower computer and the upper computer realize data interaction with each other, and the upper computer is connected to the station control bus interface through the Ethernet interface. The test method is realized through the following steps:

[0031] Step 1, the host computer requests to obtain the information model of the digital protection device, and reads the basic information about the protection;

[0032] Step 2: The digital protection device returns the data, the upper computer analyzes the data, calls the corresponding test module, specifies the test plan, performs transient calculation accor...

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Abstract

The invention discloses a digital protection automatic test device and test method based on IEC61850, relating to the relay protection test field, and aims to realize automatic relay protection test. The test device comprises a digital protection device, a host computer and a lower computer; the lower computer is in connection with the process level of a device to be tested; the digital protection device, the host computer and the lower computer realize mutual data interaction; the host computer is in connection with a station control bus interface through an ethernet interface. The test device integrates a station control level and the process level, automatically identifies a protection type according to a debugging leading principle, automatically generates a debugging scheme, automatically combines an optimum test project and test formwork, automatically generates a fault report and a motion report, guarantees test integrity, substantially improves work efficiency, and reduces equipment power failure maintenance time.

Description

technical field [0001] The invention relates to the field of relay protection testing. Background technique [0002] Smart substation is the technical development trend of the new generation of substations. As an important part of the automation system, relay protection has also been upgraded to digital protection due to the influence of electronic transformers, computer network communication technology and IEC61850 communication standards. The testing of relay protection should also keep up with the pace of digitization. At present, the commissioning workload of smart substations is heavy, the project cycle is long, and there are many repetitive tasks, and the commissioning personnel are required to be very familiar with the system structure and test methods of smart substations. Since a large amount of commissioning work is done manually, errors often occur. Missed detection, repetitive work. [0003] For a long time, the testing work of relay protection hopes to reduce ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 徐明宇徐冰亮董尔佳武国良于海洋陈晓光穆兴华姜鹏崔佳鹏关万林纪游
Owner STATE GRID CORP OF CHINA
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