A Novel Mathematical-Physical Arc Model and its Application to the Simulation of High-Impedance Arc Faults in Distribution Networks

被引：5

作者：

Zhou, Tong ^{[1
]}

Yang, Qing ^{[1
]}

Yuan, Tao ^{[1
]}

He, Hengxin ^{[2
]}

Liu, Hongwen ^{[3
]}

机构：

[1] Chongqing Univ, State Key Lab Power Transmiss Equipment Technol, Chongqing 400044, Peoples R China

[2] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China

[3] Yunnan Power Grid Co Ltd, Elect Power Res Inst, Kunming 650217, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2024年 / 39卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Mathematical models; Atmospheric modeling; Discharges (electric); Temperature; Plasma temperature; Computational modeling; Load modeling; High-impedance arc fault; arc model; model application; distribution networks; INTER-AREA OSCILLATIONS; POWER; GENERATOR; IMPACT;

D O I：

10.1109/TPWRD.2024.3376610

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High-impedance arc faults (HIAFs) occur frequently in distribution networks. An electric arc can easily cause serious accidents. The detection and prevention of arc faults are crucial for the safety of electrical systems and equipment. The electrical characteristics of an electric arc are influenced by various factors such as the environmental pressure, current magnitude, and arc length. Describing these characteristics using conventional mathematical models can be challenging. Hence, in this work, a novel mathematical-physical arc model was established based on the arc discharge mechanism. Compared with the conventional mathematical model, the proposed arc model is more accurate and can reflect the variations in the attribute parameters during the arc discharge process. The proposed model has excellent universality and is applicable under various discharge conditions including varying air pressure, ground resistance, and arc gap length. The model can be used in the detection of HIAFs under different discharge conditions.

引用

页码：1794 / 1806

页数：13

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