Results 71 to 80 of about 3,622 (242)

Mathematical simulation of operation of multi-chamber arrester for lightning protection of power lines: calculation of thermophysical properties of nonequilibrium plasma

MATEC Web of Conferences, 2018
Protection of important energy facilities from direct lightning impact requires the creation of special devices for lightning protection in particular multi-chamber arresters.
Ivanov Dmitriy, Skornyakov Vladimir, Savelieva Irina, Korotkikh Mikhail, Shestakov Vyacheslav, Uhrlandt Dirk, Podporkin Georgy   +6 more
doaj   +1 more source

Pemanfaatan Switch Mode Power Supply Berbantuan Mikrokontroler untuk Penginjeksian Tegangan Impuls pada Lightning Strike Counter

Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2019
Telah dibuat perangkat perangkat switch mode power supply dalam sebuah sistem minimum berbantuan mikrokontroler Arduino NANO V3.0 untuk penginjeksian tegangan impuls sebagai simulasi fenomena keberadaan tegangan impuls pada lightning arrester yang ...
Rediatna Febriansyah, Arief Goeritno
doaj   +1 more source

Perbandingan Metode Protective Angle dan Metode Rolling Sphere pada Proteksi Tegangan Lebih Saluran Distribusi 13,8 Kv PT. Chevron Pacivic Indonesia [PDF]

, 2015
South Bekasap Area PT. Chevron Pacivic Indonesia was an area that has flash density reach at 1,970 flash/km2/year with IKL level at 136 thunder days per year.
Ervianto, E. '. (Edy), Pradipta, F. '. (Fadil), Sukma, D. Y. (Dian)   +2 more
core  

1153. Anisoptera megistocarpa Slooten

Curtis's Botanical Magazine, Volume 42, Issue 2, Page 303-320, June 2025.
Summary Anisoptera megistocarpa Slooten, a large tree of the lowland undulating forests, and low hills of northern Sumatra, southeastern Thailand, Peninsular Malaysia and Singapore, is described and illustrated. This species has a massive, buttressed trunk reaching a height of 50 m, 4 m girth and an emergent crown. The reddish‐brown undersurface of the
Elango Velautham, Hui Tong Chia, Masumi Yamanaka, Evonne Tay‐Koh   +3 more
wiley   +1 more source

Response Characteristics of a ZnO Arrester Under Nanosecond Electromagnetic Pulse

IEEE Access
Zinc oxide arresters, a major type of overvoltage protection equipment in power systems, can suppress transient lightning overvoltage, operation overvoltage, and other types of power surges.
Feng Qin, Wei Chen, Xutong Wang, Xin Nie, Simeng Li   +4 more
doaj   +1 more source

Striking Distance Characteristics of Lightning Flashes Striking at and Below the Top of the Canton Tower

Geophysical Research Letters, Volume 52, Issue 9, 16 May 2025.
Abstract A total of 19 lightning flashes observed by high‐speed video cameras were selected for analyzing the two‐dimensional striking distance (SD) before the first return stroke of downward negative cloud‐to‐ground lightning flashes striking at the Canton Tower (CT) (600 m high).
Qi Qi, Bin Wu, Fanchao Lyu, Ying Ma, Lyuwen Chen, Weitao Lyu   +5 more
wiley   +1 more source

Design of Defect Identification and Location System for UHV AC Surge Arrester

IEEE Access
Ultra high voltage (UHV) metal oxide arrester (MOA) is prone to problems such as resistance sheet aging and moisture exposure during long-term operation.
Dantian Zhong, Lei Gao, Zhiyuan Cai
doaj   +1 more source

Simulation research on space charge characteristics of zinc oxide varistor

Energy Reports, 2020
Zinc oxide (ZnO) lightning arresters have good protection performance and have been widely used in power systems. ZnO varistor is the core component of the arrester, and its electrical performance determines the overvoltage protection level of the ...
Qian Wang, Ruonan Zhang, Chenjie Ji
doaj   +1 more source

Societal Trends and Opportunities in the Aftermath of the Nova Psychedelic Trance Rave, Through Lilla and Benjamin

Future Humanities, Volume 3, Issue 1, May 2025.
ABSTRACT This fiction article is about trauma and grief, resilience and the celebration of life. It also addresses the role psychedelics can play in bringing about change in our traumatized society by inspiring us and showing us how to use the present as a possibility for fundamental transformation.
Demian Halperin, Tal Bar On, Nir Tadmor, Alma Maria Simon, Aaron David Cherniak, Guy Simon   +5 more
wiley   +1 more source

Modeling and mitigation of lightning-induced overvoltages in wind turbine systems: A case study of Lamma WPP

Results in Engineering
Lightning strikes pose a growing threat to wind turbines, particularly due to climate change and technological advancements. This study focuses on the 9 MW Lamma Wind Power Plant (WPP) in Hong Kong, analyzing the effects of standard and non-standard ...
Moustafa Mohsen, Hamdy Kanaan, Mohammed Mehanna, Hatem M. Seoudy   +3 more
doaj   +1 more source