An adaptive method of selecting typical days based on improved fuzzy clustering algorithm

Zhang Yishan; Zhu Chenxuan; Li Fuqiang; He Zongxin; Long Yanhua

doi:10.1117/12.2682971

16 June 2023 An adaptive method of selecting typical days based on improved fuzzy clustering algorithm

Zhang Yishan, Zhu Chenxuan, Li Fuqiang, He Zongxin, Long Yanhua

Author Affiliations +

Proceedings Volume 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023); 127030S (2023) https://doi.org/10.1117/12.2682971
Event: Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 2023, Hong Kong, China

Abstract

The acquisition of load curves for typical days is a very important part in the study of load characteristics for power system, which is of great significance to the development of load dispatching plan or operation control. As the load characteristics are affected by various random factors, for instance, meteorology, human production and livelihood, etc., the selection of typical days, using traditional or single clustering algorithms, has some disadvantages to describe the overall load curve. To address those drawbacks, this paper proposes a new integrated clustering method by combining the improved Probabilistic Fuzzy C-Means (PFCM) algorithm with Fuzzy Linear Discriminant method (FLDA). Firstly, the original PFCM is improved to get the improved PFCM, and it is applied to the selection of optimal number of clusters. Then, the improved PFCM is combined with FLDA, and the integrated clustering algorithm is applied to the clustering of load curves. Ultimately, the annual load data of a power grid proves that the method has several certain advantages in the selection of typical days.

Citation Download Citation

Zhang Yishan, Zhu Chenxuan, Li Fuqiang, He Zongxin, and Long Yanhua "An adaptive method of selecting typical days based on improved fuzzy clustering algorithm", Proc. SPIE 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 127030S (16 June 2023); https://doi.org/10.1117/12.2682971

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