Results 111 to 120 of about 749,250 (317)
High Voltage, EarlyView.ABSTRACT With the growing interest in monitoring and diagnostic techniques for assessing transformer condition, dissolved gas analysis (DGA) stands out as a crucial diagnostic tool to detect electrical and thermal faults in liquid‐immersed transformers.
Gechen Bian +3 more
wiley +1 more source
Geomatics, Natural Hazards & Risk, 2018 Lightning risk indexes identifying the potential number of dangerous lightning events (NDLE) and ground sensitivity to lightning in residential sub-districts in the Beijing metropolitan area have been estimated on a 5 m resolution grid for the first time.
HaiBo Hu, JingXiao Li, Xiya Zhang
doaj +1 more source
Risk Level Analysis of Lightning Strike with Simple Additive Weighting Method in Gowa Region
Jurnal Penelitian Fisika dan Aplikasinya, 2018 Gowa regency is one of the areas in the province of South Sulawesi that has a high potential of lightning events. This is influenced by its geographical location which is close to the mountainous area.
Ramadhan Priadi, Teuku Hafid Hududillah
doaj +1 more source
High Voltage, EarlyView.ABSTRACT With increasing demands for fire safety and environmental friendliness, retrofilling transformers with alternative insulating liquids has become a growing trend. However, retrofilling power transformers remains uncertain, as more residual mineral oil compromises K‐class flame retardancy, and its impact on environmental performance has yet to ...
Zhenfu Tang +5 more
wiley +1 more source
Lightning location system supervising Swedish power transmission network [PDF]
For electric utilities, the ability to prevent or minimize lightning damage on personnel and power systems is of great importance. Therefore, the Swedish State Power Board, has been using data since 1983 from a nationwide lightning location system (LLS ...
Melin, Stefan A.
core +1 more source
Classification of Small Negative Lightning Reports at the KSC-ER [PDF]
, 2008 The NASA Kennedy Space Center (KSC) and Air Force Eastern Range (ER) operate an extensive suite of lightning sensors because Florida experiences the highest area density of ground strikes in the United States, with area densities approaching 16 fl/sq km ...
Cummins, Kenneth L. +2 more
core +1 more source
High Voltage, EarlyView.ABSTRACT Data from five rocket‐triggered lightning flashes are adopted to analyse the correlated transient response of buried cables and lightning channel radiations. These five flashes have the same termination point that is right above the buried cables and involve a total of 32 return strokes.
Mi Zhou +9 more
wiley +1 more source
Surface Flashover in 50 Years: III. Extreme Environments and Industrial Challenges
High Voltage, EarlyView.ABSTRACT Modern high‐voltage electrical equipment operates in complex environments where surface conditions are subjected to multifaceted influences from electric fields, thermal gradients, contaminants, irradiation and other extreme environmental factors.
Zhen Li +6 more
wiley +1 more source
Lightning discharge process based on short-baseline lightning VHF radiation source locating system
Acta Physica Sinica, 2012 A lightning VHF radiation source location system based on short-baseline technology is used to study the location of VHF radiation source in the lightning discharge process. The observation was conducted in Daxing'anling during summer of 2009. Positive cloud-to-ground (CG) lightning, negative CG lightning, and intra-cloud (IC) lightning are analyzed ...
null Cao Dong-Jie +4 more
openaire +1 more source
Detection of a Squall Line Event by DDW1 Total Lightning Locating System
应用气象学报At present, China's meteorological departments are gradually upgrading their lightning location networks from ADTD (Advanced TOA and Direction) system to DDW1 Total Lightning Location System.
Xu Shulin +8 more
doaj +1 more source