Multi-source space-time analysis algorithm for faults of high-voltage switchgear

Abstract

The invention discloses a multi-source space-time analysis algorithm for faults of high-voltage switchgear, which comprises the following steps: firstly, acquiring various fault characterization quantity data of the high-voltage switchgear, and storing the fault characterization quantity data in a database; and then obtaining fault characteristics of the high-voltage switchgear. According to the multi-source space-time analysis algorithm for faults of high-voltage switchgear, through multi-dimensional analysis of the incidence relation between various fault characterization quantities and the relation between the incidence relation and the fault characteristics, theoretical support is provided for multi-dimensional comprehensive analysis of the high-voltage switchgear, meanwhile, analysis of the fault characterization quantity is not limited to comparison of absolute threshold values, comparison of transverse data and longitudinal data is carried out at the same time, so that fault judgment is more three-dimensional and accurate, and finally an algorithm model between the fault characterization quantity and the fault characteristics of the high-voltage switchgear is established, a multi-source space-time analysis algorithm for the temperature and insulation defects of the switch cabinet is formed, so that the accuracy of defect alarm is improved, false alarms and missing alarms are reduced, the operation and maintenance efficiency is improved, and the safety risk is reduced.

Description

technical field [0001] The invention belongs to the field of high-voltage switchgear failure analysis, in particular to a multi-source time-space analysis algorithm for high-voltage switchgear failure. Background technique [0002] In existing life, high-voltage switchgear refers to electrical appliances with a rated voltage of 1kV and above, which are mainly used to break and close conductive circuits. The general term for components such as components and their electrical and mechanical connections is an important control device for turning on and off the circuit, removing and isolating faults. The failure of high-voltage switchgear is a phenomenon that often occurs during the operation of high-voltage switchgear, but in practice In the application of high-voltage switchgear, it is often necessary to use analysis algorithms to conduct comprehensive analysis of high-voltage switchgear failures. [0003] However, in actual use, the existing high-voltage switchgear fault ana...

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Problems solved by technology

[0003] However, in actual use, the existing high-voltage switchgear fault analysis algorithms cannot perform multi-dimensional analysis on the correlation between various characterization quantities of high-voltage switchgear faults and the relationship between the correlation and fault characteristics, so that it is impossible to provide a comprehensive The analysis provides theoretical support. At the same time, in the actual application, the existing analysis algorithm cannot compare and analyze the horizontal data and the longitudinal data, so that the algorithm model between the characterization quantity and the fault characteristics cannot be formed, resulting in the failure of the defect alarm when the algorithm is running. The accuracy is poor, and it is prone to false positives and negative negatives, which is not conducive to improving the efficiency of operation and maintenance. At the same time, there are certain security risks, which is not conducive to practical applications

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