Results 1 to 10 of about 2,002,992 (126)

Outdoor Insulation and Gas Insulated Switchgears

Energies, 2022
With the growth of the world’s population and faster-developing industries, larger amounts of electric energy are needed [...]
Issouf Fofana, Stephan Brettschneider
openaire   +5 more sources

Design Review of Gas Insulated and Hybrid Gas Insulated Switchgear

Power Research - A Journal of CPRI, 2022
This paper highlights overall process of design review, the challenges faced during the process and points observedto capture in revised technical specification. Also, it covers the advantage of adoption of this method by power utilityfor improving quality of product over the period.
Rashmi Chaudhary, Y. V. Joshi, B. P. Soni   +2 more
openaire   +1 more source

Comparison of Dielectric Recovery After Arc Burning in SF6 Gas and Its Potential Alternatives

High Voltage, EarlyView.
ABSTRACT Although sulphur hexafluoride (SF6) exhibits exceptional insulating properties, it is a potent greenhouse gas. Therefore, studying alternatives to SF6 is critical for developing environmentally friendly high‐voltage electrical equipment.
Ziqi Liu, Hao Sun, Yi Wu, Mingzhe Rong, Zeyuan Luo   +4 more
wiley   +1 more source

Research on Self‐Identification Technology of Zero‐Value Insulators in Distribution Lines Based on Electroluminescence Effect

High Voltage, EarlyView.
ABSTRACT To address the issue of low detection accuracy for zero‐value insulators in distribution lines, this study proposes a novel method for detecting these insulators based on the electroluminescence effect. Through theoretical analysis and experimentation, it was found that the luminescence intensity of ZnS:Cu electroluminescent material varies ...
Jianghai Geng, Minghongtian Chen, Yunpeng Liu, Bo Peng, Yuming Zhang, Songsong Zhou, Ping Wang   +6 more
wiley   +1 more source

Study on the Power‐Frequency Arc Extinction Characteristics of Semi‐Closed Short‐Gap Device

High Voltage, EarlyView.
ABSTRACT Multi‐chamber arc‐extinguishing devices have a simple structure and excellent arc‐extinguishing performance; thus, they have attracted considerable attention as lightning protection devices. However, the structural parameters of different models of the aforementioned devices vary, leading to inconsistent protection levels; therefore, the arc ...
Yeqiang Deng, Caiwei Pan, Jintian Chen, Yu Wang, Lei Lan   +4 more
wiley   +1 more source

PowerGPT‐R1: Vision‐Language Reinforcement Fine‐Tuning With Verifiable Reward for Power Inspection

High Voltage, EarlyView.
ABSTRACT Vision‐driven intelligent power inspection systems have long faced the challenge of scarce high‐quality datasets in specialised domains, leading to limited performance of traditional deep learning methods (e.g., Faster‐RCNN) in few‐shot learning scenarios. Recent breakthroughs in language models, particularly the open‐source DeepSeek‐R1 model,
Yangyang Zhong, Pengxin Luo, Yunfeng Yan, Jun Feng, Shixiang Tang, Weizhen He, Yiheng Deng, Yi Chen, Yuhao Zhou, Qi Li, Xianbo Wang, Fushuan Wen, Donglian Qi   +12 more
wiley   +1 more source

A Review and Prospect of Appearance Defect Detection Methods for High Voltage Equipment Based on Vision Large Models

High Voltage, EarlyView.
ABSTRACT High voltage equipment, as a core component of power systems, plays an indispensable role in ensuring the reliability of power supply through its safe and stable operation. Traditional visual defect detection for high voltage equipment, however, often relies on manual inspection and experience‐based judgement, which struggles to meet the ...
Zhenbing Zhao, Shuo Feng, Teng Ma, Chenkang Tang, Wenlong Liao, Yixuan Huang, Yongjie Zhai, Wenqing Zhao   +7 more
wiley   +1 more source

Machine Learning‐Assisted Development in Insulating Materials for High Voltage Applications

High Voltage, EarlyView.
ABSTRACT The advancement of power systems imposes increasingly stringent performance requirements on insulating materials, making the development of high‐performance insulating materials a critical challenge in the field of electrical engineering. Traditional material development relies heavily on empirical trial‐and‐error approaches, which are time ...
Yichen Ran, Yi Wang, Changheng Li, Jingyu Deng, Jian Wang, Haochen Zuo, Chen Zhao, Qian Wang, Yi Li, Song Xiao, Zhengyong Huang, Chao Wu, Zhonghui Shen, Kunming Shi, Fei Liu, Jie Chen, Jian Li, Xingyi Huang   +17 more
wiley   +1 more source

Development of ± 550 kV DC GIS Basin Insulator

High Voltage, Volume 11, Issue 4, Page 1068-1077, August 2026.
ABSTRACT The basin insulator is a core component of the insulation system for ± 550 kV gas‐insulated switchgear (GIS). This paper, using a finite element method for multi‐physics simulations of electric–thermal coupling, determines a geometry suitable for the industrial production of ± 550 kV GIS basin insulators.
Shaohua Cao, Chengwei Jing, Siqiong Zhang, Zuodong Liang, Zehao Zhang, Fangwei Liang, Yong Yang, Geng Chen, Jinliang He, Chuanyang Li   +9 more
wiley   +1 more source

Cone‐Type Insulator Surface Electric Field Measurement Based on Advanced Integrated Optical Electric Field Sensor

High Voltage, Volume 11, Issue 4, Page 1032-1039, August 2026.
ABSTRACT Direct and accurate measurement of insulator near‐surface electric fields in gas‐insulated equipment is critical for understanding charge accumulation and insulation failure, yet it has been technically challenging. Optical sensing technology is renowned for its high sensitivity, wide dynamic range, strong resistance to electromagnetic ...
Juntong Zong, Weiqi Qin, Zhecheng Zhang, Changhong Zhang, Weiguo Li, Chuanyang Li, Jinliang He   +6 more
wiley   +1 more source