A load data processing method and device for a distribution transformer

A technology for distribution transformers and data processing, applied in the field of power systems, can solve the problems of large data errors and inaccurate analysis results, and achieve the effect of accurate missing data and accurate data analysis results

Active Publication Date: 2020-08-14
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology

[0005] Embodiments of the present invention provide a load data processing method and device for a distribution transformer, which solves the problem of large data errors at missing positions obtained by applying the data processing method in the prior art to the power system, which leads to The problem that the analysis result obtained during analysis is inaccurate

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  • A load data processing method and device for a distribution transformer
  • A load data processing method and device for a distribution transformer
  • A load data processing method and device for a distribution transformer

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Embodiment Construction

[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0055] In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function or effect. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order.

[0056] The term "and / or" in this article is just an asso...

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Abstract

The embodiment of the invention provides a load data processing method and device of a distribution transformer, and relates to the technical field of power systems. The problem that the data error ofa missing position is large when a data processing method in the prior art is applied to a power system, so that the analysis result obtained by later data analysis is inaccurate is solved. Accordingto the scheme, the load data processing method of the distribution transformer includes the steps that the load data of the distribution transformer is collected to generate a first load data matrix,wherein the first load data matrix includes M rows and N columns of elements, and the element located in the ith row and the jth column is used for representing the load data at the jth time intervalin the ith time period of the distribution transformer; each time period is divided into N time intervals, wherein 1 <= i <= M, 1 <= j <= N, 1 <= M and 2 <= N; based on the load data on the row and the column where the missing position of the first load data matrix is located, the missing data of the missing position is determined, and a second load data matrix where the missing position is filled with the missing data is obtained; the second load data matrix is output.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a method and device for processing load data of distribution transformers. Background technique [0002] Missing data refers to a phenomenon that data should be obtained but not obtained for some reason during data collection. This phenomenon makes the value of one or some attributes in the dataset incomplete. For example, the load data and other power index data collected from the distribution network and transmitted to the database usually have a certain amount of missing values. [0003] In the prior art, the missing data is usually processed based on a filling method, so as to obtain complete data, so as not to affect the accuracy of the result of data analysis in the later stage. The data processing method is roughly divided into a single imputation method and a multiple imputation method, wherein: the single imputation method includes: a manual imputation method, a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/16
Inventor 贺建章
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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