Results 271 to 280 of about 7,162,114 (343)

A Novel Optical Localization Method for Partial Discharge Source Using ANFIS Virtual Sensors and Simulation Fingerprint in GIL

IEEE Transactions on Instrumentation and Measurement, 2021
Partial discharge (PD) detection and localization is one of the most effective methods in gas-insulated transmission lines (GIL) insulation fault diagnosis, which is important to the early troubleshooting and safe operation. Compared with the widely used
Y. Zang, Y. Qian, Hui Wang, Antian Xu, Xiaoli Zhou, G. Sheng, Xiuchen Jiang   +6 more
semanticscholar   +1 more source

Short-time X-ray Irradiation as a Non-contact Charge Dissipation Solution for Insulators in HVDC GIS/GIL

IEEE transactions on dielectrics and electrical insulation, 2021
The demand for DC gas-insulated switchgear/gas-insulated transmission line (GIS/GIL) becomes more and more urgent in recent years owing to the rapid development of high voltage direct current (HVDC) transmission systems.
Feng Wang, Fangwei Liang, Lipeng Zhong, She Chen, Chuanyang Li, Yipeng Xie   +5 more
semanticscholar   +1 more source

Method of GIL partial discharge localization based on natural neighbour interpolation and ECOC‐MLP‐SVM using optical simulation technology

High Voltage, 2021
Key Technology for Environmentally Friendly Gas‐ In, Grant/Award Number: 2017YFB0902500 Abstract Partial discharge (PD) is one of themain causes rendering the deterioration of the insulation state in gas‐insulated transmission line (GIL).
Y. Zang, Y. Qian, Hui Wang, Antian Xu, G. Sheng, Xiuchen Jiang   +5 more
semanticscholar   +1 more source

Impact of temperature on surface charges accumulation on insulators in SF6-filled DC-GIL

IEEE Transactions on Dielectrics and Electrical Insulation, 2017
Hong-yang Zhou
exaly   +2 more sources

Random Distribution and Adsorption Characteristics of Metal Particles and Visualization Algorithm for DC GIS/GIL

IEEE transactions on dielectrics and electrical insulation
The metal dust moving inside the HVDC GIS/GIL will be easily adsorbed to the surface of the insulator and cause surface discharge. The study of the movement and adsorption characteristics of metal dust is extremely important.
Yutong Zhang, Luming Xin, Chenbin Jin, Zehua Wu, Shengwu Tan, Jianwei Wei, Peng Liu, Zongren Peng   +7 more
semanticscholar   +1 more source

SAFE-GIL: SAFEty Guided Imitation Learning for Robotic Systems

IEEE International Conference on Robotics and Automation
Behavior cloning (BC) is a widely used approach in imitation learning where a robot learns a control policy by observing an expert supervisor. However the learned policy can make errors and might lead to safety violations which limits their utility in ...
Yusuf Umut Ciftci, D. Chiu, Zeyuan Feng, G. Sukhatme, Somil Bansal   +4 more
semanticscholar   +1 more source

Charge interaction behaviors at interfacial domains in DC GIL insulators

Applied Physics Letters
Long-term operation of high voltage direct current at elevated temperatures can result in the accumulation of surface charges in DC gas-insulated transmission line (GIL) insulators.
Xi Pang, Zongliang Xie, Gengsheng Xie, Peng Liu, Qingyu Wang, Zongren Peng, He Li   +6 more
semanticscholar   +1 more source

Dynamics of surface charge and electric field distributions on basin‐type insulator in GIS/GIL due to voltage polarity reversal

High Voltage, 2020
In this study, a simulation model of surface charge accumulation has been established. The model considers three accumulation ways, i.e. electrical conduction within the gas, through insulator volume and along the insulator surface.
Yi Luo, Ju Tang, C. Pan, Zijun Pan, Yi Li, Zhaolun Cui   +5 more
semanticscholar   +1 more source

Conductor Surface Roughness-dependent Gas Conduction Process for HVDC GIL—Part II: Experiment

IEEE transactions on dielectrics and electrical insulation, 2021
In this paper, an electric field ranging from 0.44-5.24 kV/mm was applied to a gas-insulated line (GIL) model filled with SF6 at different values of gas pressure and relative humidity (RH).
Chuanyang Li, Lei Zhang, Ya Wang, Di Yu, Zheming Wang, Zhousheng Zhang, Liam Connelly, Chuanjie Lin, Geng Chen, G. Mazzanti, Yuxiao Zhang, Malte Tschentscher   +11 more
semanticscholar   +1 more source

Dependent Competing Failure Modeling for the GIL Subject to Partial Discharge and Air Leakage With Random Degradation Initiation Time

IEEE Transactions on Reliability, 2019
Confronted with the ever-growing demand for electricity delivery over long distances, the gas insulated transmission line (GIL), as an advanced underground technology, has been under rapid development recently.
Songhua Hao, Jun Yang
exaly   +2 more sources