Results 41 to 50 of about 50,705 (207)

Study on the lightning overvoltage protection of a 500 kV unified power flow controller station

The Journal of Engineering, 2018
The unified power flow controller (UPFC) is the third generation of flexible AC transmission systems. It can control the power flow and voltage of the power system quickly and flexibly that has an advantage in compensating the AC transmission system in ...
Ting Ding, Fengbo Tao, Hengxin He, Jiqun Zhong, Junjia He, Huiwen He   +5 more
doaj   +1 more source

Predicted and in situ performance of a solar air collector incorporating a translucent granular aerogel cover [PDF]

, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 ElsevierThere is an opportunity to improve the efficiency of flat plate solar air collectors by replacing their ...
Athienitis, Baetens, Bernier, Bynum, Cabot Corporation, Caps, Dalenbäck, David Harrison, Dolley, Dowson, Dowson, Duffie, Fricke, Fricke, Hastings, Hong, Ian Pegg, Jensen, Kaushika, Kaushika, Mark Dowson, Nordgaard, Parker, Petter-Jelle, Peuportier, Platzer, Platzer, Power, Ravetz, Reim, Rommel, Rubin, Schmidt, Schultz, Schwertfeger, Shorrock, Soleimani-Dorcheh, Suehrcke, Svendsen, Van Bommel, Voss, Wittwer, Wong, Yokogawa, Zahir Dehouche   +44 more
core   +1 more source

Reliability modelling for the GIL subject to competing failure modes

MATEC Web of Conferences, 2017
Due to necessity of enforcing the electrical transmission network, a long distance gas insulated transmission line (GIL) has been developed as a new alternative underground technology, and has shown an ever-increasing usage worldwide.
Hao Songhua, Yang Jun, Cheng Bo, Chen Yun, Cui Boyuan   +4 more
doaj   +1 more source

A DFT Calculation of Fluoride-Doped TiO2 Nanotubes for Detecting SF6 Decomposition Components

Sensors, 2017
Gas insulated switchgear (GIS) plays an important role in the transmission and distribution of electric energy. Detecting and analyzing the decomposed components of SF6 is one of the important methods to realize the on-line monitoring of GIS equipment ...
Xiaoxing Zhang, Jun Zhang, Xingchen Dong, Hao Cui   +3 more
doaj   +1 more source

Flexible smart surface coating for GIS/GIL epoxy insulators

IET Nanodielectrics
A flexible smart coating with electroluminescence effect was designed and fabricated on the surface of gas insulated switch gear (GIS)/gas insulated transmission line (GIL) epoxy insulators based on two‐step curing process.
Yu‐Huai Wang, Zhuo Chen, Jin Li, Zhi‐Xiang Liu, Rong Chen, Hein Htet Aung, Hu‐Cheng Liang, Bo‐Xue Du   +7 more
doaj   +1 more source

Numerical simulations of the SF6-N2 mixed gas streamer discharge development process

AIP Advances, 2019
In recent years, as environmental protection requirements have expanded, SF6/N2 mixed gases have been selected as an insulating medium for high-voltage equipment such as GIL (gas insulated transmission line) without undertaking breaking tasks, which is ...
Lijun Wang, Xuefeng Ou, Yashuang Zheng, Jie Liu, Xin Lin, Tuo Zhang   +5 more
doaj   +1 more source

A Transmissive X-ray Polarimeter Design For Hard X-ray Focusing Telescopes

, 2015
The X-ray Timing and Polarization (XTP) is a mission concept for a future space borne X-ray observatory and is currently selected for early phase study. We present a new design of X-ray polarimeter based on the time projection gas chamber.
Deng, Zhi, Dong, Yongwei, Feng, Hua, Han, Dong, He, Li, Heng, Peiyin, Ji, Jianfeng, Li, Hong, Li, Tenglin, Liu, Yinong, Lu, Fangjun, Wu, Qiong, Zeng, Ming, Zhang, Shuangnan   +13 more
core   +1 more source

Optical contamination screening of materials with a high-finesse Fabry-Perot cavity resonated continuously at 1.06-µm wavelength in vacuum [PDF]

, 1999
An optical-loss measurement system based on a resonant Fabry Perot cavity at 1.06µm in vacuum has been developed for independent monitoring of the cavity total loss and the optical absorption loss.
Camp, Jordan, Coyne, Dennis, Li, Daqun
core   +1 more source

UHF diagnostic monitoring techniques for power transformers [PDF]

, 2004
This paper initially gives an introduction to ultra-high frequency (UHF) partial discharge monitoring techniques and their application to gas insulated substations.
Bennoch, C.J., Hunter, Ian, B.B., Judd, M.D., Yang, L.   +3 more
core  

Emerging Field Grading Spacer Magnetron Sputtered with a CCTO Layer for DC GIL/GIS

CSEE Journal of Power and Energy Systems
Insulation failures of epoxy spacers applied in gas insulated transmission line/switchgear (GIL/GIS) often occur, primarily due to electric field distortion.
Jin Li, Yufan Wang, Mi Xiao, Hucheng Liang, Hang Yao, Boxue Du   +5 more
doaj   +1 more source