Power system secondary equipment constant value checking and modifying method and system

Abstract

The invention discloses an electric power system secondary equipment constant value checking and modifying method and system, and the method comprises the steps: carrying out character recognition ofan operation constant value list image, a verification constant value list image and an authorization constant value list image, and extracting constant value data in the images; and if the running constant value single picture is inconsistent with the constant value data extracted from the approval value single picture and the authorized constant value single picture, performing similarity analysis on the approval value single picture and the authorized constant value single picture, and if the similarity meets a preset condition, importing the constant value data corresponding to the authorized constant value single picture into secondary equipment, and modifying the constant value data of the secondary equipment. Therefore, by means of the mode, it can be guaranteed that the authorizedconstant value written into the secondary equipment has high credibility, meanwhile, automatic checking of the constant value list can be achieved, labor investment is effectively reduced, and the efficiency of constant value modification and checking work of the secondary equipment is improved.

Description

technical field [0001] The invention belongs to the technical field of power system secondary equipment control, and in particular relates to a method and system for checking and modifying the fixed value of power system secondary equipment. Background technique [0002] The secondary equipment of the power system is an auxiliary equipment for monitoring, measuring, controlling, protecting and adjusting the primary equipment in the power system. condition. [0003] For the modification and verification of the secondary equipment setting value, firstly, according to the setting calculation, determine the protection setting value of the secondary equipment, and form an editable setting value list, and then submit the editable setting value list to the management department for approval, management After approval by the department, in order to ensure that it will not be tampered with, it is necessary to convert the approved value sheet into a picture format or a scanned copy, ...

AI Technical Summary

Problems solved by technology

Since there are usually hundreds of pieces of form information, if manual comparison is performed, the work is highly repetitive, time-consuming, and has a high error rate; even if OCR and other text recognition technologies are used for comparison, the accuracy of the comparison result is not stable , it is difficult to provide a strong guarantee, and manual guarantee review is still required

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