A comprehensive weight‐based severity evaluation method of voltage sag in distribution networks

Xiaohan Guo; Yong Li; Shaoyang Wang; Yijia Cao; Mingmin Zhang; Yicheng Zhou; Nakanishi Yosuke

doi:10.3390/en14196434

A comprehensive weight‐based severity evaluation method of voltage sag in distribution networks

Xiaohan Guo, Yong Li^*, Shaoyang Wang, Yijia Cao, Mingmin Zhang, Yicheng Zhou, Nakanishi Yosuke

^*この研究の対応する著者

大学院環境・エネルギー研究科

研究成果: Article › 査読

7 被引用数 (Scopus)

抄録

With the increasing use of sensitive loads in frequency converters and in relays in distribution networks, voltage sag has become a major power quality issue that urgently needs to be solved. For the purpose of improving the understanding of voltage sag severity in distribution net-works, a comprehensive weight‐based severity evaluation method of voltage sag is presented in this paper. First, a multi‐side index system that takes into account the combined influence of the source, network, and the load is established. A comprehensive weight method, which combines the improved analytic hierarchy process (IAHP) and the entropy method, is then adopted to determine the index weight. The weight of each index and the degree of superiority are linearly weighted to obtain the severity of voltage sag at different observation points. Finally, the effectiveness of the proposed method is verified using a distribution network model established in DIgSILENT Power‐ Factory (15.1.7, German).

本文言語	English
論文番号	6434
ジャーナル	Energies
巻	14
号	19
DOI	https://doi.org/10.3390/en14196434
出版ステータス	Published - 2021 10月 1

ASJC Scopus subject areas

制御と最適化
エネルギー（その他）
工学（その他）
エネルギー工学および電力技術
電子工学および電気工学
建築および建設
燃料技術
再生可能エネルギー、持続可能性、環境

UN SDG

この成果は、次の持続可能な開発目標に貢献しています

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title = "A comprehensive weight‐based severity evaluation method of voltage sag in distribution networks",

abstract = "With the increasing use of sensitive loads in frequency converters and in relays in distribution networks, voltage sag has become a major power quality issue that urgently needs to be solved. For the purpose of improving the understanding of voltage sag severity in distribution net-works, a comprehensive weight‐based severity evaluation method of voltage sag is presented in this paper. First, a multi‐side index system that takes into account the combined influence of the source, network, and the load is established. A comprehensive weight method, which combines the improved analytic hierarchy process (IAHP) and the entropy method, is then adopted to determine the index weight. The weight of each index and the degree of superiority are linearly weighted to obtain the severity of voltage sag at different observation points. Finally, the effectiveness of the proposed method is verified using a distribution network model established in DIgSILENT Power‐ Factory (15.1.7, German).",

keywords = "Analytic hierarchy process, Entropy method, Index evaluation, Severity evaluation, Voltage sag",

author = "Xiaohan Guo and Yong Li and Shaoyang Wang and Yijia Cao and Mingmin Zhang and Yicheng Zhou and Nakanishi Yosuke",

note = "Funding Information: This work was supported in part by the International Science and Technology Coopera-tion Program of China under Grant 2018YFE0125300, in part by the National Nature Science Foundation of China under Grant 52061130217, in part by the Innovative Construction Program of Hunan Province of China under Grant 2019RS1016, in part by the 111 Project of China under Grant B17016, and in part by the Excellent Innovation Youth Program of Changsha of China under Grant KQ2009037. Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

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doi = "10.3390/en14196434",

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T1 - A comprehensive weight‐based severity evaluation method of voltage sag in distribution networks

AU - Guo, Xiaohan

AU - Li, Yong

AU - Wang, Shaoyang

AU - Cao, Yijia

AU - Zhang, Mingmin

AU - Zhou, Yicheng

AU - Yosuke, Nakanishi

N1 - Funding Information: This work was supported in part by the International Science and Technology Coopera-tion Program of China under Grant 2018YFE0125300, in part by the National Nature Science Foundation of China under Grant 52061130217, in part by the Innovative Construction Program of Hunan Province of China under Grant 2019RS1016, in part by the 111 Project of China under Grant B17016, and in part by the Excellent Innovation Youth Program of Changsha of China under Grant KQ2009037. Publisher Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2021/10/1

Y1 - 2021/10/1

N2 - With the increasing use of sensitive loads in frequency converters and in relays in distribution networks, voltage sag has become a major power quality issue that urgently needs to be solved. For the purpose of improving the understanding of voltage sag severity in distribution net-works, a comprehensive weight‐based severity evaluation method of voltage sag is presented in this paper. First, a multi‐side index system that takes into account the combined influence of the source, network, and the load is established. A comprehensive weight method, which combines the improved analytic hierarchy process (IAHP) and the entropy method, is then adopted to determine the index weight. The weight of each index and the degree of superiority are linearly weighted to obtain the severity of voltage sag at different observation points. Finally, the effectiveness of the proposed method is verified using a distribution network model established in DIgSILENT Power‐ Factory (15.1.7, German).

AB - With the increasing use of sensitive loads in frequency converters and in relays in distribution networks, voltage sag has become a major power quality issue that urgently needs to be solved. For the purpose of improving the understanding of voltage sag severity in distribution net-works, a comprehensive weight‐based severity evaluation method of voltage sag is presented in this paper. First, a multi‐side index system that takes into account the combined influence of the source, network, and the load is established. A comprehensive weight method, which combines the improved analytic hierarchy process (IAHP) and the entropy method, is then adopted to determine the index weight. The weight of each index and the degree of superiority are linearly weighted to obtain the severity of voltage sag at different observation points. Finally, the effectiveness of the proposed method is verified using a distribution network model established in DIgSILENT Power‐ Factory (15.1.7, German).

KW - Analytic hierarchy process

KW - Entropy method

KW - Index evaluation

KW - Severity evaluation

KW - Voltage sag

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A comprehensive weight‐based severity evaluation method of voltage sag in distribution networks

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