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Method for automatically processing missing value of electrical energy

An automatic processing and missing value technology, applied in data processing applications, instruments, resources, etc., can solve problems such as different data distribution, and achieve excellent performance, easy management and use, and good performance

Inactive Publication Date: 2016-03-30
GUANGXI POWER GRID ELECTRIC POWER RES INST
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AI Technical Summary

Problems solved by technology

For the problem of missing electric energy data, due to the difference in the environment of the measurement point, the data distribution may be completely different, and there may be a very large gap between the result obtained by applying the same set of parameters and the real value

Method used

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  • Method for automatically processing missing value of electrical energy
  • Method for automatically processing missing value of electrical energy
  • Method for automatically processing missing value of electrical energy

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the examples 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 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.

[0043] Attached below figure 1 , a method for automatically processing missing values ​​of electric energy, comprising the following steps:

[0044]Step 1: Discriminate the data collected during the metering process, identify and locate the position of the missing value in the sequence; the identification process is to traverse the historical data of the meter at the measurement point, and save the subscript into the In the set T, the size of the set T is h. Due...

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Abstract

The invention belongs to the data processing technical field of the electrical energy in a power system and particularly relates to a method for automatically processing the missing value of the electrical energy. The method comprises the steps of identifying collected data during the metering process of an ammeter, recognizing and positioning a missing value in a sequence, storing the subscript of an identified null in the vacancy set of the electrical energy among the historical data of the traversal measurement points of the ammeter, and predicting the missing value of the electrical energy based on an optimized local weighted polynomial fitting model. According to the technical scheme of the invention, the missing value of the electrical energy can be processed more accurately. Meanwhile, based on the adaptive prediction for different data distribution, the electrical energy data of a remote electrical energy metering and managing system can be better managed and utilized.

Description

technical field [0001] The invention belongs to the technical field of power system electric energy data processing, and in particular relates to a method for automatically processing missing electric energy values. Background technique [0002] The problem of missing electric energy data can be formalized as the problem of automatic interpolation of missing data. At present, common missing value processing methods include mean substitution, regression, and missing indicator variable models. Among them, the methods and ideas of regression filling and interpolation have been deepened and expanded by many researchers. [0003] Li Xuying. Missing value interpolation method based on spatial autoregressive model[J]. Mathematical Statistics and Management, 2005, 24(3): 45-50, research on the imputation of missing values ​​in cross-sectional data from regions, discussed When there is spatial correlation in the data, the establishment of spatial autoregressive model and the method...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0635G06Q50/06
Inventor 陈俊李刚龙东韦杏秋潘俊涛唐利涛李金瑾唐志涛
Owner GUANGXI POWER GRID ELECTRIC POWER RES INST
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