Results 21 to 30 of about 54,334 (284)

Non-uniform Pollution Method and Pollution Flashover Characteristics of Transmission Line Insulators

open access: yesZhongguo dianli, 2019
At present, pollution of insulators in artificial contamination test is done by uniform smearing, but natural pollution, affected by wind, raining, insulator shape, pollution, pollutant particle size and other factors, is a non-uniform accumulation on ...
Qin LIU, Yiwen WANG
doaj   +1 more source

An overview of biodiesel energy [PDF]

open access: yes, 2020
Over the last ten years’ attention to biofuels production has increased dramatically and become crucial. One of the main factors is the rise in world oil prices, coupled with the abatement of greenhouse gas emissions and concerns about energy security ...
Abd Halim, Muhamad Fazli   +3 more
core  

Insulation co-ordination and the enlargement law for the GM counter tube [PDF]

open access: yesNuclear Technology and Radiation Protection, 2016
In this paper we analyze application of contemporary methods of insulation co-ordination and the enlargement law in designing a GM counting tube.
Dolićanin Edin Ć.   +3 more
doaj   +1 more source

A network approach to overcoming barriers to market engagement for SMEs in energy efficiency initiatives such as the Green Deal [PDF]

open access: yes, 2016
The Green Deal (GD) was launched in 2013 by the UK Government as a market-led scheme to encourage uptake of energy efficiency measures in the UK and create green sector jobs.
Gilmour, Daniel J.   +2 more
core   +3 more sources

Assessment of Insulation Coordination and Overvoltage for Utility Girds Integrated with Solar Farms

open access: yesEnergies
Due to the economic and environmental concerns associated with fossil fuels, many government and private organizations are progressively shifting towards the integration of solar farms with Utility Grids.
Mansoor Soomro   +4 more
doaj   +1 more source

Development of a ±660 kV DC transmission line arrester

open access: yesThe Journal of Engineering, 2019
In order to improve the lightning withstand level of ±660 kV DC transmission line in China, the authors had begun to develop the ±660 kV DC line arrester since 2014, which was developed successfully in 2016.
Shanqiang Gu   +6 more
doaj   +1 more source

Transient Overvoltages Simulation Due to the Integration Process of Large Wind and Photovoltaic Farms With Utility Grids

open access: yesIEEE Access, 2021
Integration of the renewable energy sources with utility grids is receiving more impressive concerns to provide extra-green energy sources to work in parallel or to phase out the sources with fossil fuels. The effects of the transient surges are the most
Samy M. Ghania, Anas M. Hashmi
doaj   +1 more source

Estimation of New Weighted Controlled Switching Overvoltage by RBFN Model [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2020
Mitigating switching overvoltages (SOVs) and conducting well-suited insulation coordination for handling stresses are very important in UHV transmission Lines. The best strategy in the absence of arresters is controlled switching (CS). Although elaborate
M. Hasanpour   +2 more
doaj   +1 more source

Tower Air-gaps discharge characteristics and insulation coordination for UHV AC double-circuit line

open access: yesThe Journal of Engineering, 2019
In order to give out inverse V-type insulator tower air-gaps configuration of double-circuit UHV AC power transmission line, different distance air-gaps from high-voltage electrode to tower frame discharge tests of inverse V-string are carried out ...
Huo Feng, Nan Jing, Ye Qiming, Ma Yeming
doaj   +1 more source

Prediction of switching transients in high voltage air-insulated substations [PDF]

open access: yes, 2009
Describes the process of prediction of switching transients in high voltage air-insulated ...
Judd, M.D., Musa, B.U., Siew, W.H.
core  

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