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61850 client-based protection value and key safety check method

A technology of protection setting and maintenance, applied in the direction of emergency protection circuit devices, electrical components, circuit devices, etc., to achieve the effect of avoiding the risk of accidental tripping of primary equipment or misoperation of operation protection devices

Active Publication Date: 2019-10-01
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned problems, the purpose of the present invention is to improve the above-mentioned inconveniences and deficiencies that exist when the protection device of the intelligent substation is overhauled and eliminated, and provide a method for checking the protection value and key safety measures based on the 61850 client, which can make the value of the protection device , The check of the soft pressure plate is fully automated, and some key safety measures that may lead to grid safety accidents are monitored and alarmed in real time during the maintenance process

Method used

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  • 61850 client-based protection value and key safety check method
  • 61850 client-based protection value and key safety check method

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Experimental program
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Embodiment

[0027] Such as Figure 1 to Figure 2 As shown, based on the 61850 client’s protection setting and key security check method, the following steps are performed in sequence:

[0028] A. Convert the imported scheduling formal value sheet to the value sheet in EXCEL format through the 61850 client;

[0029] B. Through the 61850 client terminal, read the internal fixed value and soft pressure plate of the protective device, and form the fixed value list in EXCEL format before and after the maintenance of the protective device;

[0030] C. Through the 61850 client terminal, compare the above-mentioned fixed value sheets in EXCEL format, and check whether the fixed values ​​in the above three fixed value sheets are consistent with the soft platen;

[0031] D. Monitor the "overhaul status" of the protection device to be repaired through the 61850 client, and at the same time monitor the "GOOSE inspection inconsistent" alarm signal of the protection device to be repaired, and realize ...

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Abstract

The invention discloses a protection setting and key safety measures checking method based on a 61850 client, which sequentially carries out the following steps: comparing three EXCEL format setting sheets to check whether the setting and the soft pressure plate in the three setting sheets are consistent; monitoring the overhaul state of the protection device to be overhauled and monitoring the alarm signal of GOOSE overhaul inconsistency of the protection device to be overhauled, and realizing the recognition of the overhaul state of the protection device to be overhauled and its related devices through the monitored state quantity; reading the overhaul status of the protection device to be overhauled in real time, the soft platen state and the GOOSE link communication state, to realizethe alarm function of whether the secondary security measures are missing, The protection setting and key safety measures checking method based on 61850 client is provided. When it is applied, it canmake the setting of protection device, check of soft pressure plate fully automatic, and real-time monitor and alarm some key safety measures which may lead to power network safety accidents in the process of maintenance.

Description

technical field [0001] The invention relates to the technical field of maintenance of protection devices in intelligent substations, in particular to a method for checking protection values ​​and key safety measures based on a 61850 client. Background technique [0002] At present, maintenance personnel often need to change the fixed value and soft pressure plate of the protective device for the maintenance and elimination of the protection device of the smart substation. After the maintenance and elimination work, the fixed value and the soft pressure plate need to be restored to the state before the modification. Then the fixed value and soft pressure plate after the overhaul of the protection device (the fixed values ​​have been restored at this time) and the actual operation of the protection device before the overhaul, and whether the fixed value and soft pressure plate in the dispatched value sheet Consistent, maintenance personnel, operation and maintenance personnel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/26H02J13/00
CPCH02H7/26H02J13/00019Y02E60/00Y04S10/20
Inventor 丁宣文滕予非郑永康刘明忠周文越吴杰朱鑫韩睿王平张泰李小鹏张纯张鹏
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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