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Transformer fault diagnosis method and system, storage medium and computing equipment

A technology for transformer faults and diagnosis methods, applied in transformer testing, information technology support systems, etc., can solve the problem of low fault diagnosis accuracy, and achieve the effects of improving fault recognition rate, reducing accident losses, and eliminating inherent gas characteristic interference.

Active Publication Date: 2022-05-27
NARI TECH CO LTD +2
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Problems solved by technology

[0003] The invention provides a transformer fault diagnosis method, system, storage medium and computing equipment, which solves the problem of low fault diagnosis accuracy caused by the interference of the inherent gas characteristics of the transformer

Method used

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  • Transformer fault diagnosis method and system, storage medium and computing equipment
  • Transformer fault diagnosis method and system, storage medium and computing equipment
  • Transformer fault diagnosis method and system, storage medium and computing equipment

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Embodiment Construction

[0092] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0093] like figure 1 As shown, a transformer fault diagnosis method includes the following steps:

[0094] Step 1, according to the historical gas sensing quantity of the transformer, calculate the lateral data of the historical gas sensing quantity; wherein, the lateral data is the daily average value of the historical gas sensing quantity;

[0095] Step 2: Group the transformers according to the ledger data and the area to which the ledger data belongs;

[0096] Step 3, calculate the correlation coefficient and distribution interval of the transverse data in the transformer group;

[0097] Step 4: Screen the transformers in the transformer group according to the correlation coef...

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Abstract

The invention discloses a transformer fault diagnosis method and system, a storage medium and computing equipment, and the method comprises the steps: calculating a sensing quantity reference value through sensing quantity transverse data, calculating a characteristic gas increment through the sensing quantity reference value, and carrying out the fault diagnosis, thereby effectively eliminating the inherent gas characteristic interference of a transformer, effectively improving the fault recognition rate of the transformer, and improving the fault recognition efficiency of the transformer. The method has important theoretical and practical significance for guaranteeing equipment safety and reducing accident loss.

Description

technical field [0001] The invention relates to a transformer fault diagnosis method, system, storage medium and computing equipment, and belongs to the technical field of electric equipment state evaluation. Background technique [0002] Transformer is an important equipment to realize energy conversion and electric energy transmission in power system. Its safe and stable operation is an important factor to ensure the reliability of power supply and system stability. By shortening the diagnosis time of abnormal transformers, improving the identification rate of fault types, and formulating reasonable operation and maintenance and maintenance plans, they are all important means to ensure the safety of power transformer equipment and reduce the level of accident risk. Through long-term research and case studies, it can be found that at present, the analysis method based on the dissolved gas in electrical insulating oil is still the transformer fault diagnosis method generally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/62
CPCG01R31/62Y04S10/50
Inventor 国中琦吕顺利李金波罗欣郑玉平王伟周捷丁杰张海滨侯宇张鹏左红兵刘世裕董璇曹东宏裴煜
Owner NARI TECH CO LTD