Results 81 to 90 of about 1,995,341 (213)

Subdomain Adaptation Capsule Network for Partial Discharge Diagnosis in Gas-Insulated Switchgear. [PDF]

Entropy (Basel), 2023
Wu Y, Yan J, Xu Z, Sui G, Qi M, Geng Y, Wang J.   +6 more
europepmc   +1 more source

Comparison of a gas insulated switchgear draft in 2D and 3D interface in the offer phase

, 2017
This thesis deals with the design of gas insulated switchgear produced in company ABB s.r.o. Theoretically describes the basics of project engineering in the 2D and 3D environments as well as the construction, partition and properties of the switchgear ...
Turkovič, Matúš
core  

Synthesis of Graphene-Based Sensors and Application on Detecting SF6 Decomposing Products: A Review

Sensors, 2017
Graphene-based materials have aroused enormous focus on a wide range of engineering fields because of their unique structure. One of the most promising applications is gas adsorption and sensing. In electrical engineering, graphene-based sensors are also
Xiaoxing Zhang, Hao Cui, Yingang Gui
doaj   +1 more source

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

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

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

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  

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

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