Results 111 to 120 of about 309,411 (142)

Worldwide comparison of lightning impulse voltage measuring systems at the 400-kV level

, 2007
An international comparison of lightning and switching impulse voltage measuring systems was arranged and coordinated by the Helsinki University of Technology (MIKES-TKK), Espoo, Finland, between 1999 and 2002.
Juvik, J.I., Truong, V.H., Bergman, Anders,, Pykälä, M. -L, Lucas, W., Li, Y., Hallström, J., Bergman, A., Bovier-Lapierre, V., Schon, K., Garnacho, F., Rungis, J., Pykälä, M.L., Kiseliev, V., Lian Hong, Z., Hällstrom, Jari; id_orcid, Aro, M., Juvik, J. I., Truong, V. H.   +18 more
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A Novel Distributed Sensor Network to Assess Wind Turbine Blade Acoustics for Structural Health Monitoring

Wind Energy, Volume 29, Issue 10, October 2026.
ABSTRACT To reduce the need for scheduled wind turbine blade inspections and large‐scale repairs, a novel distributed acoustic sensing system for monitoring the structural health of wind turbine blades is proposed. This integral passive monitoring system utilizes a sparse array of in‐blade multimodal sensors and a single blade‐external downtower sensor,
Connor Pozzi, Calvin Ng, Sage Lyon, Yan Luo, Christopher Niezrecki, Murat Inalpolat   +5 more
wiley   +1 more source

Schumann Resonance Frequency Increase Following Recurrent Solar Wind Stream Onsets

Earth and Space Science, Volume 13, Issue 10, October 2026.
Abstract Recurrent high‐speed streams and corotating interaction regions (HSS/CIRs) are common solar‐wind drivers, but their influence on Schumann resonance (SR) frequencies remains poorly quantified. We analyzed 173 threshold‐defined HSS/CIR proxy onsets using superposed epoch composites, bootstrap uncertainty, and a month‐matched random‐epoch null ...
J. Tacza, G. Sátori, A. Neska, T. Raita, T. Bozoki   +4 more
wiley   +1 more source

Determining the size of lightning-induced electron precipitation patches

, 2002
[1] We analyze Trimpi signatures during 23 and 24 April 1994 at four sites on or near the Antarctic Peninsula (Palmer, Faraday, Rothera, and Halley) on subionospheric VLF signals received from four U. S.
Clilverd, MA, Nunn, D, Dowden, Richard L., Lev-Tov, Sean J., Clilverd, Mark A., Dowden, RL, Inan, US, Inan, Umran S., Lev-Tov, SJ, Rodger, Craig J., Rodger, CJ, Nunn, David, Smith, Andy J., Smith, AJ   +13 more
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Lightning earthing evaluation by impulse and high frequency methods [PDF]

, 2007
Uziemienia odgromowe przeznaczone do odprowadzania do ziemi prądów piorunowych pracują w zakresie znacznie szybszych przebiegów (žs) niż uziemienia robocze (ms), a więc wymagają innych metod badań, zwłaszcza uwzględniających spadki indukcyjne w systemie ...
Wojtas, S.
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On the influence of corona on lightning-induced overvoltages

, 2010
An experimentally inferred charge-voltage (Q-V) diagram used to macroscopically model the corona phenomenon is adopted for the calculation of the lightning-induced transients in presence of corona. The paper aim at presenting the calculation procedure as
PAOLONE, MARIO, C.A. Nucci, M. Paolone, NUCCI, CARLO ALBERTO, G. Dragan, G. Florea   +5 more
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(A) Study on the Electrical Characteristics of ZnO Blocks by a Multiple-Lightning Impulse Current [PDF]

This thesis deals with the changes of the electrical characteristics of ZnO blocks by the application of a single and a multiple-lightning impulse current.
李鐘赫
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Excitation of visual sensory experiences by electromagnetic fields of lightning

, 2012
In this chapter, we will consider the possible interactions, either direct or indirect, of the lightning-generated electromagnetic fields with the brain or the visual system of humans to induce visual sensations. Some of these visual sensations are known
Cooray, Vernon,, Vernon Cooray, Gerald Cooray, Cooray, Gerald   +3 more
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Structural fault analysis of air-core reactors under lightning impulse

Zhejiang dianli
In ultra-high voltage （UHV） converter stations， the encapsulation of air-core reactors may deform under lightning impulse due to electromagnetic forces， which may induce structural faults and jeopardize the safe operation of power system. To address this
ZONG Wanli, GUO Shikaihua, DING Ke, YE Ke, WAN Zhicheng, CHEN Jinpeng, CHEN Feng   +6 more
doaj   +1 more source

U.S. LIGHTNING STRIKE DEATHS [PDF]

The risk of being struck by lightning is low, but the consequences of being struck by lightning ARE SERIOUS.To learn more about lightning, visit: www.cdc.gov/disasters/lightning\u2022 444- From 2006 through 2021, 444 people in the 444 United States died ...

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