Results 91 to 100 of about 2,003,561 (167)

Digital Inference Method for Metal Particle Size Inside Gas Insulated Switchgear

Shanghai Jiaotong Daxue xuebao
Free metal particle defects are one of the frequent discharge defect types in gas insulated switchgear (GIS) equipment. Therefore, accurate estimation of their size and discharge severity is beneficial for understanding the insulation damage of equipment.
ZHANG Changhong, LI Weiguo, YANG Xu, LI Mingyang, WANG Miao, LUO Lin’gen
doaj   +1 more source

Application of SCNGO-VMD-SVM in Identification of Gas Insulated Switchgear Partial Discharge

IEEE Access
Partial discharge (PD) is one of the main reasons of insulation deterioration in gas insulated switchgear (GIS). How to efficiently and accurately identify PD signals is an important guarantee for the stable operation of GIS.
Wei Sun, Hongzhong Ma, Sihan Wang
doaj   +1 more source

Simulation and Characterization of Micro-Discharge Phenomena Induced by Glitch Micro-Defects on an Insulated Pull Rod Surface

Energies
The reliability of GIS (gas-insulated switchgear) circuit breakers significantly depends on the condition of the insulated pull rods, with micro-defects on their surface posing a potential risk for micro-discharges and breakdown incidents. Experimentally
Shu Niu, Shuai Li, Jizhong Liang, Guodong Li, Fan Hu, Hai Zhang, Yujie Zhu, Xianhao Fan, Chuanyang Li   +8 more
doaj   +1 more source

Characteristics investigation of R407C in high voltage applications as an alternative to SF6

Results in Engineering
The concept of life without electrical power is not possible. All the industrial, domestic zones etc., requires power to operate, which is transmitted by means of overhead high voltage transmission lines from generating stations to sub-stations.
Imad M. Khattak, Faisal Khan, Syed Zulfiqar Ali, Rahmat Ullah, Irshad Ullah, Muhammad Adeel Khan, Khalid Rehman, Aftab Zaman Awan   +7 more
doaj   +1 more source

Particle detector for gas insulated switchgear and the effect on environment

, 2013
High voltage Gas Insulated Switchgear (GIS) is prone to metallic particles. The particle void can reduce the dielectric strength of the insulation material of SF6 gas.
Agos, M. F., Rahim, H. A., Muhamad, N. A.   +2 more
core   +1 more source

Application of Optical Fiber Distributed Sensing System in Substation Maintenance

Guangtongxin yanjiu, 2023
During daily operation of Substation, if Gas Insulated Switchgear (GIS)equipment breaks down, it will lead to the suspension of substation power supply, and national production and life cannot be guaranteed.
BAI Bin, YU Yue-zhong, ZHAO Hui-long, LU Yin, ZHU Lei, MA Wen-liang   +5 more
doaj  

One-Shot Learning for Partial Discharge Diagnosis Using Ultra-High-Frequency Sensor in Gas-Insulated Switchgear. [PDF]

Sensors (Basel), 2020
Tuyet-Doan VN, Do TD, Do TD, Tran-Thi ND, Youn YW, Kim YH.   +5 more
europepmc   +1 more source

3D Printing Technique-Improved Phase-Sensitive OTDR for Breakdown Discharge Detection of Gas-Insulated Switchgear. [PDF]

Sensors (Basel), 2020
Chen Z, Zhang L, Liu H, Peng P, Liu Z, Shen S, Chen N, Zheng S, Li J, Pang F.   +9 more
europepmc   +1 more source

Study on surface flashover characteristics of basin-type insulators under low-frequency transmission based on multiphysics coupling

Zhejiang dianli
To study the surface flashover characteristics of single-phase basin-type insulators in gas insulated metal-enclosed switchgear （GIS） under low-frequency transmission， an electro-thermal-fluid coupling simulation is employed.
LI Guoqiang, BIAN Rong, CHEN Keji, ZHANG Linlin, GU Miaosong, CHENG Zhi, WANG Chao   +6 more
doaj   +1 more source

PERANCANGAN GEDUNG GARDU INDUK GAS INSULATED SWITCHGEAR 150 KV JAKARTA TIMUR [PDF]

, 2020
GIS (Gas Insulated Switchgear) adalah sebuah system penghubung dan pemutusJaringan listrik yang dikemas dalam sebuah tabung non ferro dan menggunakan bahan gas sulphumexaflouride (SF6) sebagai media isolasinya.Salah satunya adalah Gis kebon sirih II 150 ...
Andryansyah, -, Destoni, Deri
core