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Low-voltage distribution network operation state evaluation method based on data mining

A low-voltage distribution network and operating state technology, which is applied in data processing applications, electrical digital data processing, digital data information retrieval, etc. Status evaluation results are not unique, etc.

Pending Publication Date: 2021-05-11
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

[0004] In order to overcome the above-mentioned background technology, the selection of the initial clustering center of different clustering algorithms is different, and the evaluation result of the operating state is largely related to the selection of the initial clustering center point. Not unique, there will be problems that the evaluation results of the low-voltage distribution network state are not unique and the accuracy is not high, and a method for evaluating the operating state of the low-voltage distribution network based on data mining is provided

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  • Low-voltage distribution network operation state evaluation method based on data mining
  • Low-voltage distribution network operation state evaluation method based on data mining
  • Low-voltage distribution network operation state evaluation method based on data mining

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[0077] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0078] This embodiment provides a method for evaluating the operating state of a low-voltage distribution network based on data mining, such as figure 1 shown, including the following steps:

[0079] S1. Establish a low-voltage distribution network loop impedance model according to the collected and processed low-voltage distribution network data;

[0080] S2. Evaluation and analysi...

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Abstract

The invention provides a low-voltage power distribution network operation state evaluation method based on data mining. The method comprises the following steps: S1, establishing a low-voltage power distribution network loop impedance model according to collected and processed low-voltage power distribution network data; S2, evaluating and analyzing the short-term operation state of the low-voltage power distribution network according to the loop impedance model; s3, evaluating and analyzing medium and long-term operation states of the low-voltage power distribution network according to the loop impedance model; and S4, performing multi-index evaluation based on the improved radar map. According to the method, the operation state of the low-voltage power distribution network side is evaluated, the big data technology is applied to the power distribution network data, useful values can be efficiently and deeply excavated, and power grid personnel are assisted to make operation decisions; the operation effect of the power distribution network is comprehensively evaluated, the implicit rule among the related data of the power distribution network is mined, and visual display is realized.

Description

technical field [0001] The invention relates to the technical field of low-voltage distribution network operation and maintenance, and more specifically, to a method for evaluating the operating state of a low-voltage distribution network based on data mining. Background technique [0002] The distribution network is one of the important links of power transmission. As a link connecting the distribution network and the user side, the low-voltage distribution network plays a key role in power services such as power transmission and user response. The user side has an important impact. The operating state of the low-voltage distribution network directly affects the operating state of the power grid and the overall economic benefits, so the evaluation of the operating state of the low-voltage distribution network is particularly important. Existing state assessment technologies are mainly for medium and high voltage power grids. The commonly used methods include multi-source i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06K9/62G06Q10/06G06Q50/06
CPCG06F16/2465G06Q10/0639G06Q50/06G06F18/2321
Inventor 江霖曹安瑛万新宇陈卓航李爱平李文晖裴星宇刘尧黄培专付博侯成郑卫文
Owner GUANGDONG POWER GRID CO LTD
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