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author:

Hu, Xin (Hu, Xin.) [1] | Huang, Huiyu (Huang, Huiyu.) [2] | Liu, Lijun (Liu, Lijun.) [3] (Scholars:刘丽军)

Indexed by:

EI

Abstract:

As new energy sources such as wind and photovoltaic connected to the distribution network in large quantities, how to describe the uncertainty of wind, photovoltaic and load (WPL) variations and generate typical operating scenarios is becoming more and more important for the operation scheduling and planning of the distribution network. Aiming at the problems of traditional clustering methods, which are difficult to deal with high-dimensional data, the separation of feature extraction process and clustering process, and the lack of clustering performance, this paper proposes a scenario generation method based on deep fuzzy k-means (DFKM) for WPL uncertainty sources. First, based on one-dimensional convolutional auto-encoder, we extract the temporal coupling features of the WPL data, and then use the fuzzy k-means with adaptive loss function to perform clustering in the embedded low-dimensional feature space. In the model optimization process, the feature extraction process and the clustering process are combined to obtain the final clustering results and generate typical scenarios based on different types of centers. The example takes the historical data of a region in southeast China as the research object, then analyzes the clustering indexes to verify the effectiveness and superiority of the proposed method. © 2023 IEEE.

Keyword:

Cluster analysis Extraction Feature extraction K-means clustering

Community:

  • [ 1 ] [Hu, Xin]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 2 ] [Huang, Huiyu]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 3 ] [Liu, Lijun]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, China

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Year: 2023

Page: 1536-1542

Language: English

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 3

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