Results 91 to 100 of about 952 (202)

Development of a suitcase time-of-flight mass spectrometer for in situ fault diagnosis of SF6-insulated switchgear by detection of decomposition products

open access: yes, 2016
RATIONALE: Sulfur hexafluoride (SF6) gas-insulated switchgear (GIS) is an essential piece of electrical equipment in a substation, and the concentration of the SF6 decomposition products are directly relevant to the security and reliability of the ...
Zhu, Liping   +6 more
core   +1 more source

Research on Photoacoustic Ultrasonic Dual Mode GIS Gas Tomography Technology

open access: yesJournal 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

Replacing SF\u2086 in electrical gas-insulated switchgear : technological alternatives and potential life cycle greenhouse gas savings in an EU-28 perspective

open access: yes, 2020
: To date, atmospheric concentrations of sulfur hexafluoride (SF6) are the most potent among the greenhouse gases identified by the Intergovernmental Panel on Climate Change (IPCC) and are still rising.
Maes, Ben   +3 more
core  

Nanocrystalline based Mitigation Technique for Very Fast Transient over Voltages in Gas Insulated Substations

open access: yes, 2021
: in gas insulated substations, issue of very fast transient over voltages is very familiar problem because of its effects on live ultra-high voltage equipment.
et. al., R.Durga Rao,
core  

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

open access: yes, 2020
In this paper, we propose and demonstrate a gas-insulated switchgear (GIS) breakdown discharge detection system based on improved phase-sensitive optical time domain reflectometry (φ-OTDR) assisted by 3D-printed sensing elements.
Zhen Chen   +9 more
core   +1 more source

Semi-Supervised Learning-Based Partial Discharge Diagnosis in Gas-Insulated Switchgear

open access: yesIEEE Access
Effective monitoring and diagnosis of partial discharge (PD) in power equipment are crucial for maintenance, particularly given the expectations of significant increases in energy generation and consumption. Although deep neural networks have been widely
Ho Trong Tai   +3 more
doaj   +1 more source

Optimization of powder-coating process resulting in a reduction of labor intensity of finishing components in gas insulated substation - GIS

open access: yes, 2016
The diploma thesis deals with the optimization of powder-coating process resulting in a reduction of labor intensity during finishing components in gas insulated switchgear (GIS). The thesis is divided into five main chapters that describe characteristic
Svoboda, Tomáš
core   +2 more sources

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

open access: yesCSEE 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   +6 more
doaj   +1 more source

Study of Circuit Breaker Type BHG-114 on 150 kV Gas Insulated Switchgear at Glugur Main Substation

open access: yes, 2001
68 HalamanPerkembangan sistem tenaga listrik dewasa ini . sangatlah pesat, maka perkembangan sistem proteksipun juga mengalami perkembangan yang pesat karena tidaklah mungkin suatu sistem tenaga listrik dengan kapasitas yang besar tanpa sistem proteksi ...
Shulham, Zulkifli
core  

Home - About - Disclaimer - Privacy