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Power line communication power consumption data analysis method and system based on clustering analysis

A technology of power line communication and power consumption data, which is applied in the direction of digital transmission system, transmission system, data exchange network, etc., and can solve problems beyond the historical range, unable to know the clustering results in advance, and difficult to determine the optimal parameters

Active Publication Date: 2017-12-01
广东电网有限责任公司云浮供电局 +1
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Problems solved by technology

[0003] For abnormal data mining, the existing method based on artificially setting the threshold is simple but highly subjective; the method based on statistics has human factors to set the error identification interval; the method based on neural network intelligently finds the internal relationship of the data and realizes identification, but some parameters in the network need to be set manually, and it is difficult to determine the optimal parameters; based on the data change rate method, by finding the historical maximum change rate as a threshold and comparing the current collection time change rate, the method is simple and efficient, but continuous abnormal data Unrecognizable; clustering-based methods classify data by distance, but cannot know the optimal clustering result in advance
The basic method of identifying electricity consumption data is to use the rate of change to identify the threshold value set by the historical rate of change, but there is a possibility of exceeding the historical range

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  • Power line communication power consumption data analysis method and system based on clustering analysis
  • Power line communication power consumption data analysis method and system based on clustering analysis
  • Power line communication power consumption data analysis method and system based on clustering analysis

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Embodiment Construction

[0062] In order to express the purpose and technical solution of the present invention simply and clearly, the following will be described in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0063] In order to enhance the intelligent management of the demand side of the power grid and improve the safety and stability of the power system operation, the embodiment of the present invention proposes a power line communication power consumption data analysis method based on cluster analysis, and supports the integration of this method into the existing In the power consumption information collection system, a power consumption information collection system with data identification function is formed. The overall architecture of the power consumption information collection system is as follows figure 1 As shown, the power consumption information co...

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Abstract

The invention provides a power line communication power consumption data analysis method and system based on clustering analysis. The power consumption data analysis is realized based on a power consumption information acquisition system. The data acquisition is conducted continuously according to a preset acquisition time, including a power consumption data acquisition process and a power consumption data feature extraction and saving process. For a current acquisition time, abnormal data discrimination is performed in real time, including a power consumption data reading process at the current acquisition time and an abnormal data discrimination process based on K-Means clustering analysis. The invention proposes the technical scheme of abnormal power consumption data identification based on the clustering validity for the first time by using a power line as a communication carrier to request and transmit the power consumption data, so as to achieve the purpose of improving the operation reliability of the power consumption information acquisition system.

Description

technical field [0001] The invention belongs to the field of electrical secondary systems, in particular to a method and system for analyzing electricity consumption data of power line communication based on cluster analysis. Background technique [0002] The National Power Grid Corporation vigorously promotes the coverage of the electricity consumption information collection system. Through the data communication between the main station and the field terminal, functions such as data collection, cost control management, line loss analysis, remote meter reading, and load monitoring management have been realized. see figure 1 The power consumption information collection system includes a server, a concentrator, a smart energy meter and a power line. Each energy meter is connected to the concentrator through the power line, and the concentrator is connected to a remote server through Ethernet, which can be provided by a network cable or a router. Wireless data transfer connec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62H04L12/26H02J13/00
CPCH02J13/0075H04L43/00H04L43/04G06F18/23213
Inventor 梁玉泉陈炽光张众发孙云莲佘国鸿王华佑谢文旺徐冰涵余军伟王冬生刘健杨福国赖群焦力黄祖迪
Owner 广东电网有限责任公司云浮供电局
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