Results 111 to 120 of about 7,327 (250)

Studi Karakteristik Tegangan Tembus DC Polaritas Positif pada Gas Nitrogen (N2) [PDF]

, 2017
Insulation of Sulfur hexafluoride (SF6) gas, nitrogen (N2) gas and Carbon Dioxide (CO2) gas usually used in circuit breaker. Sulfur hexafluoride (SF6) gas is widely used in high-voltage system.
Murdiya, F. '. (Fri), Pardede, T. '. (Tumpal)   +1 more
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A Pt-Doped TiO2 Nanotube Arrays Sensor for Detecting SF6 Decomposition Products

Sensors, 2013
The detection of partial discharge and analysis of SF6 gas components in gas-insulated switchgear (GIS) is important for the diagnosis and operating state assessment of power equipment.
Xiaoxing Zhang, Jing Tie, Jinbin Zhang
doaj   +1 more source

Individual Professional Practice in the Company [PDF]

, 2018
Tato bakalářská práce obsahuje popis odborné praxe absolvované u firmy ABB s. r. o., OPC Ostrava. V této práci je uvedené odborné zaměření pobočky společnosti v Ostravě. Dále je zde popis mé pracovní pozice a náplň práce po dobu praxe.
Vávra, Lukáš
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Research on Photoacoustic Ultrasonic Dual Mode GIS Gas Tomography Technology

Journal of Harbin University of Science and Technology
Recently, environmentally friendly insulating gases represented by (CF 3 ) 2 CFCN have been widely used in high-voltage insulated switchgear (GIS) in various countries due to their low global warming potential and ozone free characteristics.
TANG Bingnan, ZHOU Yao, WANG Anjing
doaj   +1 more source

Construction of abatement cost curves: The case of F-gases [PDF]

Most of scientific research on Greenhouse Gases (GHG) focuses on CO2 emissions. But non-CO2 gases (mainly F-gases in the form of HFCs, PFCs, and SF6) are more potent at trapping heat within the atmosphere. Currently, F-gases constitute a small proportion
Halkos, George
core   +1 more source

Effect of water on electrical properties of Refined, Bleached, and Deodorized Palm Oil (RBDPO) as electrical insulating material [PDF]

, 2012
This paper describes the properties of refined, bleached, deodorized palm oil (RBDPO) as having the potential to be used as insulating liquid. There are several important properties such as electrical breakdown, dielectric dissipation factor, specific ...
Arief, Yanuar Zulardiansyah, Ismail, Nazera   +1 more
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GIS内部の部分放電による電磁波検出用のアンテナに関する研究 [PDF]

, 2016
電気通信大学200
中本 藤之
core   +1 more source

Charge Accumulation Characteristics of SF6-Epoxy Interface Under Negative Repetitive Nanosecond Pulses

CSEE Journal of Power and Energy Systems
Repetitve nanosecond impulses in gas-insulated metal-enclosed switchgear (GIS) are likely to trigger inside flashover. Interface charges on the spacer in GIS are considered one of the main factors damaging insulation performance and may be induced by ...
Shaocong Wu, Geng Chen, Yuming Shao, Hao Xu, Xuanning Zhang, Yanyu Liang, Youping Tu   +6 more
doaj   +1 more source

Condition assessment method of GIS disconnector based on vibration- thermal-electrical multi-parameter signal characteristics

电力工程技术
The disconnector fault in gas insulated switchgear (GIS) is commonly caused by the combined effects of mechanical, thermal, and electrical factors. Throughout the progression from defect development to a severe fault, various signals, including abnormal ...
ZHOU Xiu, WU Xutao, TIAN Tian, BAI Jin, ZHANG Zhaoyu, LI Junhao   +5 more
doaj   +1 more source

Impact of Pressure and Temperature on Charge Accumulation Characteristics of Insulators in Direct-Current Gas-Insulated Switchgear

Energies
Direct-current gas-insulated switchgear (DC GIS) is an important device for promoting the lightweight and compact design of offshore wind power platforms.
Lu Xu, Yixuan Li, Yan Zhu, Jianning Yin
doaj   +1 more source