Line safety margin checking method

A technology of safety margin and line, which is applied in the field of line safety margin checking, can solve problems such as inaccurate checking, and achieve the effect of accurate line safety margin

Pending Publication Date: 2022-03-22
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology helps detect if there are any problems with an electrical system or equipment being monitored during operation without losing its ability to provide reliable electricity over time due to factors like weather conditions or other environmental issues such as fires caused by firearms. By comparing this optimal loading speed against previous times it can be determined whether these systems were safe enough to operate properly before they had been damaged again.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the accuracy of calculating safe limits during power systems operations when there may be unexpected failure or other issues with the grid due to changes made over time caused by factors like environmental conditions or equipment malfunctions.

Method used

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Embodiment Construction

[0031] The technical solutions in the present invention are clearly and completely described below in combination with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] Such as figure 1 As shown, the line safety margin check method provided by the present invention comprises:

[0033] S1. Determine the optimal load rate that satisfies power supply reliability and network structure without considering the margin left by load growth;

[0034] S2. Calculate the line load growth rate according to the average load rate of the line in recent years;

[0035] S3. Calculate the optimal load rate of the line in consideration of the load growth m

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Abstract

The invention discloses a line safety margin checking method, which relates to the technical field of electric power safety margin, and comprises the following steps of: determining an optimal load rate meeting power supply reliability and a network structure under the condition of remaining margin without considering load growth; calculating the line load growth rate according to the average load rate of the line decreased in recent years; according to the line load growth rate, calculating an optimal line load rate under the condition of considering the margin reserved by load growth; calculating an average current reference value of the next year according to the daily average current of the line in the last year and the optimal load rate of the line under the condition of considering the margin reserved by load increase; and the line safety margin is calculated according to the rated current-carrying capacity and the average current reference value of the next year, so that the line safety margin calculated by combining the optimal load rate of the line through the data of recent years is more accurate, and data support is provided for monitoring the running state of the line.

Description

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Claims

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Application Information

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Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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