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Distribution transformer health degree analysis and calculation method

A calculation method and technology of health degree, applied in the field of analysis and calculation of distribution transformer health degree, can solve problems such as low analysis efficiency and unsatisfactory accuracy rate, and achieve the effect of improving analysis efficiency and avoiding accuracy problems.

Inactive Publication Date: 2019-11-19
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

[0003] However, due to the complex structure of the distribution network and the variety of distribution network equipment, such as distribution transformers, it is necessary to consider the influence of factors such as its operating status, external factors, and operating years on the health of distribution transformers. The analysis of the health of electric transformers mainly relies on manual analysis, which has problems such as low analysis efficiency and accuracy that cannot meet the needs of distribution network risk assessment.

Method used

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  • Distribution transformer health degree analysis and calculation method
  • Distribution transformer health degree analysis and calculation method
  • Distribution transformer health degree analysis and calculation method

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Embodiment Construction

[0047] The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

[0048] In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0049] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

[0050] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0051] This embodiment proposes an analysis and calculation method for distribution transformer health, such as figure 1 As shown, it is a flow chart of the analysis and calculation method of distribution transformer health in this embodiment, and its specific steps are as follows:

[0052] Step 1: Select the distribution transformer to be analyzed from the distribution transformer table in t...

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Abstract

The invention relates to the technical field of distribution network equipment detection, and provides a distribution transformer health degree analysis and calculation method, which comprises the following steps of selecting a to-be-analyzed distribution transformer, and obtaining a rated voltage value and a design age limit of the to-be-analyzed distribution transformer; obtaining weights corresponding to the factors influencing the health degree of the distribution transformer; acquiring a real-time voltage value of the distribution transformer, and then calculating and analyzing accordingto the rated voltage value and the real-time voltage value to obtain a grade B1; inquiring whether the distribution transformer is an oil type transformer or not; if so, calculating an oil temperaturevalue of the distribution transformer and analyzing and calculating to obtain a grade B2; if not, setting the grade B2 to be 0; querying the actual operation age limit of the distribution transformer, and performing calculation and analysis according to the design age limit and the actual operation age limit to obtain a grade B3; obtaining weather data of the distribution transformer on the sameday, and analyzing and calculating the weather data to obtain a grade B4; querying the fault degree and frequency of the distribution transformer, and performing analysis and calculation to obtain a grade B5; and calculating the distribution transformer health degree of the distribution transformer to be analyzed according to the weights and the grades B1, B2, B3, B4 and B5.

Description

technical field [0001] The invention relates to the technical field of distribution network equipment detection, and more specifically, to an analysis and calculation method for distribution transformer health degree. Background technique [0002] In recent years, with the rapid development of the distribution network, the distribution network equipment is diversified, and it also brings more safety hazards to users. Therefore, it is necessary to analyze the health of the distribution network equipment to conduct a risk assessment on the distribution network. [0003] However, due to the complex structure of the distribution network and the variety of distribution network equipment, such as distribution transformers, it is necessary to consider the influence of factors such as its operating status, external factors, and operating years on the health of distribution transformers. The analysis of the health of electric transformers mainly relies on manual analysis, which has p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F17/18
CPCG06F17/18G06Q10/0635G06Q10/0639G06Q50/06
Inventor 欧阳卫年李响李高明彭飞进车磊赵瑞锋郭文鑫黄红远朱延廷张文骏郭为斌黄小耘曾晓丹黎永豪汤志锐严周宇廖峰
Owner GUANGDONG POWER GRID CO LTD
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