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Journal articles on the topic 'Lightning network'

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1

Ringhausen, Jacquelyn, Vanna Chmielewski, and Kristin Calhoun. "Inter-Comparison of Lightning Measurements in Quasi-Linear Convective Systems." Atmosphere 15, no. 3 (2024): 309. http://dx.doi.org/10.3390/atmos15030309.

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Data from four lightning networks collected during three quasi-linear convective systems (QLCS) are used to understand the differences in detection for optimizing their combined use. Additionally, using unique aspects from each network provides a more complete picture of lightning in a thunderstorm. The four lightning networks examined include a Lightning Mapping Array (LMA), the Earth Networks Total Lightning Network (ENTLN), the Geostationary Lightning Mapper (GLM), and the National Lightning Detection Network (NLDN). The data from each network are inter-matched and locations where each netw
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Wang, Jialei, Lin Song, Qilin Zhang, et al. "A Lightning Optical Automatic Detection Method Based on a Deep Neural Network." Remote Sensing 16, no. 7 (2024): 1151. http://dx.doi.org/10.3390/rs16071151.

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To achieve automatic recognition of lightning images, which cannot easily be handled using the existing methods and still requires significant human resources, we propose a lightning image dataset and a preprocessing method. The lightning image data over five months were collected using a camera based on two optical observation stations, and then a series of batch labeling methods were applied, which greatly reduced the workload of subsequent manual labeling, and a dataset containing more than 30,000 labeled samples was established. Considering that lightning varies rapidly over time, we propo
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Poelman, Dieter R., Wolfgang Schulz, and Christian Vergeiner. "Performance Characteristics of Distinct Lightning Detection Networks Covering Belgium." Journal of Atmospheric and Oceanic Technology 30, no. 5 (2013): 942–51. http://dx.doi.org/10.1175/jtech-d-12-00162.1.

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Abstract This study reports results from electric field measurements coupled to high-speed camera observations of cloud-to-ground lightning to test the performance of lightning location networks in terms of its detection efficiency and location accuracy. The measurements were carried out in August 2011 in Belgium, during which 57 negative cloud-to-ground flashes, with a total of 210 strokes, were recorded. One of these flashes was followed by a continuing current of over 1 s—one of the longest ever observed in natural negative cloud-to-ground lightning. Lightning data gathered from the lightni
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Liu, Anjiang, Ruifa Feng, Yang Zhang, et al. "Lightning Fault Location of 10kV Distribution Network With Multistage Branch Lines." Journal of Physics: Conference Series 2427, no. 1 (2023): 012029. http://dx.doi.org/10.1088/1742-6596/2427/1/012029.

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Abstract With the continuous expansion of the distribution network scale, the multi-level branch line of the distribution network has been widely used because of its economic and flexible power supply. However, multi-level branch lines also make fault location more challenging. This paper proposes a lightning fault location method for distribution networks with multi-level branch lines. Firstly, the distribution network is divided into several areas, and the lightning strike area is judged by the polarity of the lightning current on the line. Then, according to the number of current monitoring
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Hu, Chunhua, Tiezhu Dong, and Xin Chen. "Architecture Research on Differentiated Lightning Protection of Distribution Network Considering Plateau Microtopography." Journal of Physics: Conference Series 2774, no. 1 (2024): 012072. http://dx.doi.org/10.1088/1742-6596/2774/1/012072.

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Abstract Lightning is the main and severe threat to 10kV and 35kV medium-voltage distribution networks. It will cause equipment failures or damage, tripping and even power outages. With the construction of modern distribution networks, the requirements for power supply reliability are getting higher and higher. Therefore, lightning protection of distribution networks has received great attention. The key point is to find a cost-effective way to protect against lightning. This paper proposed an architecture for differentiated lightning protection of distribution networks considering plateau mic
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Li, Jie, Bingzhe Dai, Jiahao Zhou, et al. "Preliminary Application of Long-Range Lightning Location Network with Equivalent Propagation Velocity in China." Remote Sensing 14, no. 3 (2022): 560. http://dx.doi.org/10.3390/rs14030560.

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The equivalent propagation method adopts a variable propagation velocity in lightning location, minimizing the location error caused by various factors in the long-range lightning location network. To verify the feasibility of this method, we establish a long-range lightning location network in China. A new method is used to extract the ground wave peak points of the lightning sferics and is combined with the equivalent propagation velocity method for lightning location. By comparing with the lightning data detected by the lightning locating system called advanced direction and time-of-arrival
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Zhu, Yanan, Michael Stock, Jeff Lapierre, and Elizabeth DiGangi. "Upgrades of the Earth Networks Total Lightning Network in 2021." Remote Sensing 14, no. 9 (2022): 2209. http://dx.doi.org/10.3390/rs14092209.

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The Earth Networks Total Lightning Network (ENTLN) launched a new processor (P2021) in December 2021. Some major upgrades were made in the new processor, including a new classification algorithm, a new propagation model, and regional data processing architecture. Ground-truth datasets of natural and rocket-triggered lightning acquired in Florida were used to evaluate the performance characteristics of the new processor. Compared to the last processor launched in 2015 (P2015), the stroke classification accuracy increased from 91% to 94% for natural lightning and from 86% to 88% for rocket-trigg
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8

Bourriez, F., J. A. Sauvaud, J. L. Pinçon, J. J. Berthelier, and M. Parrot. "A statistical study over Europe of the relative locations of lightning and associated energetic burst of electrons from the radiation belt." Annales Geophysicae 34, no. 1 (2016): 157–64. http://dx.doi.org/10.5194/angeo-34-157-2016.

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Abstract. The DEMETER (Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions) spacecraft detects short bursts of lightning-induced electron precipitation (LEP) simultaneously with newly injected upgoing whistlers. The LEP occurs within < 1 s of the causative lightning discharge. First in situ observations of the size and location of the region affected by the LEP precipitation are presented on the basis of a statistical study made over Europe using the DEMETER energetic particle detector, wave electric field experiment, and networks of lightning detection (Météorage, t
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9

Poelman, Dieter R., Françoise Honoré, Graeme Anderson, and Stéphane Pedeboy. "Comparing a Regional, Subcontinental, and Long-Range Lightning Location System over the Benelux and France." Journal of Atmospheric and Oceanic Technology 30, no. 10 (2013): 2394–405. http://dx.doi.org/10.1175/jtech-d-12-00263.1.

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Abstract Increasing possibilities for using lightning data—for instance, in monitoring and tracking applications—necessitate proper spatial and temporal mapping of lightning events. It is therefore of importance to assess the capabilities and limitations of a ground-based lightning network of interest to locate electromagnetic signals emitted by lightning discharges. In this paper, data covering two storm seasons, between May and September 2011 and 2012, are used to compare the spatial and temporal lightning observations of three different lightning location systems over an area covering the B
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10

Hoole, Paul Ratnamahilan Polycarp, Nur Farah Aziz, Velappa Ganapathy, Kanesan Jeevan, Ramiah Harikrishnan, and Samuel Ratnajeevan Herbert Hoole. "Aircraft Mounted Neural Network Electrostatic Discharge (ESD) Location." Materials Science Forum 721 (June 2012): 331–36. http://dx.doi.org/10.4028/www.scientific.net/msf.721.331.

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Abstract. Cloud to ground and cloud to cloud lightning flashes pose a threat to the aircraft body and the electronic systems inside the aircraft. In this paper we present a single unit, as opposed to a three unit, lightning locator mounted on the aircraft that uses the wave-shapes of electromagnetic fields radiated by lightning and electrical activity ahead of the aircraft to locate the distance range of lightning activity. A three element array antenna scans the area ahead of the aircraft to narrow down the area ahead where the lightning or threatening electrical activity is. Moreover, the un
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11

Orville, Richard E. "Development of the National Lightning Detection Network." Bulletin of the American Meteorological Society 89, no. 2 (2008): 180–90. http://dx.doi.org/10.1175/bams-89-2-180.

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The development of the National Lightning Detection Network (NLDN) can be traced from the initial funding by the Electric Power Research Institute in June 1983. This support, when coupled with a small National Science Foundation-sponsored research program at the State University of New York at Albany, would lead in just six years to the coverage of 48 states by a network of lightning detectors providing the location and physical characteristics of nearly all cloud-to-ground lightning flashes in the continental United States. The generous sharing of data from existing federal lightning detectio
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12

Gilbert, David E., Bruce R. Johnson, and Cedric Zala. "A reliability study of the lightning locating network in British Columbia." Canadian Journal of Forest Research 17, no. 9 (1987): 1060–65. http://dx.doi.org/10.1139/x87-162.

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To combat the major problem of lightning-caused forest fires in British Columbia, the British Columbia Ministry of Forests operates a lightning locating system developed by Lightning Location and Protection Inc. As of 1985, this network consisted of 18 magnetic direction finders located throughout the province. Lightning strike data collected by the network over three fire seasons (1983–1985) were analyzed to estimate the distribution of lightning signal strength and the component detection efficiencies. The analysis was based on more than 165 000 lightning strike records. In the mountainous t
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13

Xiao, Xiaobing, Xiaomeng He, Xinyi He, Huapeng Li, Shuqing Hao, and Yang Zhang. "Development of a Lightning-Induced Overvoltage Suppression Device for the 10 kV Distribution Network." Journal of Physics: Conference Series 2527, no. 1 (2023): 012083. http://dx.doi.org/10.1088/1742-6596/2527/1/012083.

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Abstract The critical point of lightning protection of the 10 kV distribution network is lightning-induced overvoltage protection. The traditional lightning protection measures cannot solve the problem for the 10 kV Distribution Network. This paper developed a distribution network lightning-induced overvoltage suppression device. The device comprises core inductance, nonlinear resistance, and a parallel adjustable gap. The device operates in three states according to the lightning overvoltage amplitude. The lightning energy is discharged through the device to the earth. The lightning-induced o
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14

Shen, Ji, and Qiuwen Zhang. "Online Monitoring and Transmission System for Lightning Detection Network." International Journal of Online Engineering (iJOE) 11, no. 7 (2015): 5. http://dx.doi.org/10.3991/ijoe.v11i7.4758.

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Lightning detection data is a kind of distributed information with high real-timeliness. After the lightning events are detected by the lightning detection network, the original detection data need to be collected and concentrated rapidly and timely for unified management and processing. In this paper, an online monitoring and transmission system for lightning detection information is presented. The system consists of two major components: the remote monitoring module and the response & transmission module. File system watcher (FSW) tool and the trigger mechanism are applied to the remote
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15

Shcherbina, E. S., and V. І. Mesyura. "Finding the Optimal Payment Route in the Lightning Network." Visnyk of Vinnytsia Politechnical Institute 153, no. 6 (2020): 93–99. http://dx.doi.org/10.31649/1997-9266-2020-153-6-93-99.

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16

Lang, Timothy J., Steven A. Rutledge, Brenda Dolan, Paul Krehbiel, William Rison, and Daniel T. Lindsey. "Lightning in Wildfire Smoke Plumes Observed in Colorado during Summer 2012." Monthly Weather Review 142, no. 2 (2014): 489–507. http://dx.doi.org/10.1175/mwr-d-13-00184.1.

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Abstract Pyrocumulus clouds above three Colorado wildfires (Hewlett Gulch, High Park, and Waldo Canyon; all during the summer of 2012) electrified and produced localized intracloud discharges whenever the smoke plumes grew above 10 km MSL (approximately −45°C). Vertical development occurred during periods of rapid wildfire growth, as indicated by the shortwave infrared channel on a geostationary satellite, as well as by incident reports. The lightning discharges were detected by a three-dimensional lightning mapping network. Based on Doppler and polarimetric radar observations, they likely wer
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17

Rodger, C. J., S. Werner, J. B. Brundell, et al. "Detection efficiency of the VLF World-Wide Lightning Location Network (WWLLN): initial case study." Annales Geophysicae 24, no. 12 (2006): 3197–214. http://dx.doi.org/10.5194/angeo-24-3197-2006.

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Abstract. An experimental Very Low Frequency (VLF) World-Wide Lightning Location Network (WWLLN) has been developed through collaborations with research institutions across the world, providing global real-time locations of lightning discharges. As of April 2006, the network included 25 stations providing coverage for much of the Earth. In this paper we examine the detection efficiency of the WWLLN by comparing the locations from this network with lightning location data purchased from a commercial lightning location network operating in New Zealand. Our analysis confirms that WWLLN favours hi
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18

Huang, Weixiang, Qianyi Chen, Wei Zhang, et al. "Research on Confidence Analysis Method of Lightning Strike Accidents on Distribution Lines." Journal of Physics: Conference Series 2656, no. 1 (2023): 012002. http://dx.doi.org/10.1088/1742-6596/2656/1/012002.

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Abstract Currently, lightning is the main cause of power system faults. Due to insufficient equipment and technology, low insulation level, the distribution network being the main part of power outages, and the complex causes of distribution network faults, it is difficult to determine whether each fault in the distribution network is caused by lightning strikes. In this paper, the concept of lightning strike confidence, i.e., the possibility of a line lightning strike fault caused by falling lightning, is proposed, and a lightning strike confidence analysis is performed for a 10 kV distributi
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19

Loboda, Marek, Hans D. Betz, Piotr Baranski, Jan Wiszniowski, and Zdzislaw Dziewit. "New Lightning Detection Networks in Poland – LINET and LLDN." Open Atmospheric Science Journal 3, no. 1 (2009): 29–38. http://dx.doi.org/10.2174/1874282300903010029.

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Lightning detection in Poland is performed by means of a PERUN (Safir 3000) system operated by the Institute of Meteorology and Water Management. Poland is also partly covered by a VLF/LF lightning detection system (CLDN, Central Lightning Detection Network). Both sources of lightning data have their limitations resulting from detection technique, limited number of sensors and geographical configuration, with the consequence of shortcomings in the data quality. For this reason, a new network has been installed in Poland and started continuous real-time operation in May 2006. It is LINET that c
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20

Barradas, Raphael Pablo de Souza, Gabriel Vianna Soares Rocha, João Rodrigo Silva Muniz, Ubiratan Holanda Bezerra, Marcus Vinícius Alves Nunes, and Jucileno Silva e. Silva. "Methodology for Analysis of Electric Distribution Network Criticality Due to Direct Lightning Discharges." Energies 13, no. 7 (2020): 1580. http://dx.doi.org/10.3390/en13071580.

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Direct lightning discharges in overhead distribution networks invariably cause serious insulation damage, frequently leading to the electric system’s partial or total shutdown. Installing lightning arresters can be very effective, and it is commonly used to minimize this problem; however, considering that typically, electric distribution grids exhibit a very large number of electrical nodes, the massive use of lightning arresters may not be economically viable. In this way, this article proposes a methodology for allocating lightning arresters that can significantly reduce the number of lightn
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21

Lesejane, Wandile, Hugh G. P. Hunt, Carina Schumann, and Ritesh Ajoodha. "Can Bayesian Networks Improve Ground-Strike Point Classification?" Atmosphere 15, no. 7 (2024): 776. http://dx.doi.org/10.3390/atmos15070776.

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Studying cloud-to-ground lightning strokes and ground-strike points provides an alternative method of lightning mapping for lightning risk assessment. Various k-means algorithms have been used to verify the ground-strike points from lightning locating systems, producing results with room for improvement. This paper proposes using Bayesian networks (BNs), a model not previously used for this purpose, to classify lightning ground-strike points. A Bayesian network is a probabilistic graphical model that uses Bayes’ theorem to represent the conditional dependencies of variables. The networks creat
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22

Huang, Zhidu, Wei Zhang, Shan Li, Zhimei Cui, and Siyuan Tan. "Lightning Disturbance Analysis and Improvement Measures for “Generation-Grid-Load-Storage” Type Distribution Line." Journal of Physics: Conference Series 2247, no. 1 (2022): 012044. http://dx.doi.org/10.1088/1742-6596/2247/1/012044.

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Abstract For economy, the traditional lightning protection method is simple and the lightning protection effect is unsatisfactory. With China’s call and demand for energy transformation, a new distribution network based on “Generation-Grid-Load-Storage” will be the general direction of China’s distribution network development. The new distribution network puts forward higher requirements for the stability, and its lightning protection problem must be solved. In this paper, the overhead ground wire is proposed as the main lightning protection measure of the new distribution network, and the opt
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Jurnal, Redaksi Tim. "PEMASANGAN ARRESTER DAN ARCING HORN PADA PENGHANTAR BERISOLASI DI SUTM 20 kV." Sutet 7, no. 1 (2018): 37–41. http://dx.doi.org/10.33322/sutet.v7i1.165.

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Temporary disturbance in medium-voltage air ducts is a disturbance mainly caused by lightning. This disorder is divided into two kinds according to the occurrence of lightning strikes, namely direct strike and indirect strike (induction). This disorder is very difficult to predict, therefore it needs good protection. To protect the equipment from a lightning strike then mounted arresters and arcing horn mounted on a 20kV SUTM network simultaneously. The combination of arresters and arcing horns in medium voltage networks can improve the reliability of the disturbances caused by tighter lightni
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Sakurai, Namiko, Koyuru Iwanami, Shingo Shimizu, et al. "3D Total Lightning Observation Network in Tokyo Metropolitan Area (Tokyo LMA)." Journal of Disaster Research 16, no. 4 (2021): 778–85. http://dx.doi.org/10.20965/jdr.2021.p0778.

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The National Research Institute for Earth Science and Disaster Resilience deployed a lightning mapping array (LMA) in the Tokyo metropolitan area in March 2017. Called the “Tokyo LMA,” it obtains detailed three-dimensional observations of the total lightning activity (cloud-to-ground and intracloud flashes) in storms. The network initially consisted of 8 receiving stations, expanded to 12 stations in March 2018. Real-time total lightning images were first opened on the webpage in Japan. Real-time observations from the Tokyo LMA will be used in nowcasting lightning hazards and mitigating lightn
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Maduranga, Uruvitiya Gamage Dilaj, Mahesh Edirisinghe, Niranga Alahacoon, and Manjula Ranagalage. "Spatiotemporal Variability of Lightning Activity over the Railway Network in Sri Lanka with Special Attention to the Proposed Suburban Railway Electrification Network." Infrastructures 7, no. 7 (2022): 92. http://dx.doi.org/10.3390/infrastructures7070092.

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This study is oriented towards the investigation of the spatiotemporal variability of the lightning activity over the railway network in Sri Lanka using -lightning data from 1998 to 2014 that were downloaded from the database of Lightning Imaging Sensor (LIS) onboard NASA’s Tropical Rainfall Measuring Mission (TRMM). The study has also been extended to study the lightning activity over the proposed suburban railway electrification network. GIS was used to conduct an annual and seasonal analysis of the railway network, which consists of nine major railway lines, to identify vulnerable stations
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Abreu, D., D. Chandan, R. H. Holzworth, and K. Strong. "A performance assessment of the World Wide Lightning Location Network (WWLLN) via comparison with the Canadian Lightning Detection Network (CLDN)." Atmospheric Measurement Techniques 3, no. 4 (2010): 1143–53. http://dx.doi.org/10.5194/amt-3-1143-2010.

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Abstract. The World Wide Lightning Location Network (WWLLN) uses globally-distributed Very Low Frequency (VLF) receivers in order to observe lightning around the globe. Its objective is to locate as many global lightning strokes as possible, with high temporal and spatial (< 10 km) accuracy. Since detection is done in the VLF range, signals from high peak current lightning strokes are able to propagate up to ~104 km before being detected by the WWLLN sensors, allowing for receiving stations to be sparsely spaced. Through a comparison with measurements made by the Canadian Lightning Detectio
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Abreu, D., D. Chandan, R. H. Holzworth, and K. Strong. "A performance assessment of the World Wide Lightning Location Network (WWLLN) via comparison with the Canadian Lightning Detection Network (CLDN)." Atmospheric Measurement Techniques Discussions 3, no. 2 (2010): 1861–87. http://dx.doi.org/10.5194/amtd-3-1861-2010.

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Abstract. The World Wide Lightning Location Network (WWLLN) uses globally-distributed Very Low Frequency (VLF) receivers in order to observe lightning around the globe. Its objective is to locate as many global strokes as possible, with high temporal and spatial (<10 km) accuracy. Since detection is done in the VLF range, signals from high peak current lightning strokes are able to propagate up to ~104 km before being detected by the WWLLN sensors, allowing for receiving stations to be sparsely spaced. Through a comparison with measurements made by the Canadian Lightning Detection Network (
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Feudale, L., A. Manzato, and S. Micheletti. "A cloud-to-ground lightning climatology for north-eastern Italy." Advances in Science and Research 10, no. 1 (2013): 77–84. http://dx.doi.org/10.5194/asr-10-77-2013.

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Abstract. This study analyzes the spatial distribution and temporal characteristics of cloud-to-ground lightnings (C2G) in the North East of Italy and the neighboring areas of Austria, Slovenia and Croatia. The dataset consists of about 6.5 millions C2G flash records, both positive and negative, observed between January 1995 and December 2011 by the "Centro Elettrotecnico Sperimentale Italiano-Sistema Italiano Rilevamento Fulmini'' (CESI/SIRF), part of the European Cooperation for Lightning Detection (EUCLID) Network. The results show that C2G lightnings concentrate in the foothill regions on
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A. O., Melodi A. O., and Olayinka Matthew Oyeleye. "Modeling of Lightning Strike Events, and it’s Correlational with Power Outages in South-West Coast, Nigeria." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 6 (2017): 3262. http://dx.doi.org/10.11591/ijece.v7i6.pp3262-3270.

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This paper aimed to model lightning strike events and evaluate its correlation with power outages in a Nigerian power distribution system. A specified coastal distribution network of southwest Nigeria was selected as a case study. Zone-specific records of cloud-to-ground lightning strikes for 84 months were obtained from the Nigerian Meteorological Agency (NiMet); records of power outage frequencies and durations for 36 months were obtained at the substations of the selected distribution network. Using numerical statistical analysis techniques, lightning activity in the system area were charac
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Melodi, A. O., and M. O. Oyeleye. "Modeling of Lightning Strike Events, and it's Correlational with Power Outages in South-West Coast, Nigeria." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 6 (2017): 3262–70. https://doi.org/10.11591/ijece.v7i6.pp3262-3270.

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This paper aimed to model lightning strike events and evaluate its correlation with power outages in a Nigerian power distribution system. A specified coastal distribution network of southwest Nigeria was selected as a case study. Zone-specific records of cloud-to-ground lightning strikes for 84 months were obtained from the Nigerian Meteorological Agency (NiMet); records of power outage frequencies and durations for 36 months were obtained at the substations of the selected distribution network. Using numerical statistical analysis techniques, lightning activity in the system area were charac
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31

Bai, Xue, and Martin Füllekrug. "Long-Range Lightning Interferometry Using Coherency." Remote Sensing 15, no. 7 (2023): 1950. http://dx.doi.org/10.3390/rs15071950.

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Traditional lightning detection and location networks use the time of arrival (TOA) technique to locate lightning events with a single time stamp. This contribution introduces a simulation study to lay the foundation for new lightning location concepts. Here, a novel interferometric method is studied which expands the data use and maps lightning events into an area by using coherency. The amplitude waveform bank, which consists of averaged waveforms classified by their propagation distances, is first used to test interferometric methods. Subsequently, the study is extended to individual lightn
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Selivanov, Vasilii N., Anton V. Burtsev, Viktor V. Ivonin, and Vitalii V. Kolobov. "Lightning analysis for the Murmansk region in 2021." Transactions of the Kоla Science Centre of RAS. Series: Engineering Sciences 13, no. 3/2022 (2022): 59–67. http://dx.doi.org/10.37614/2949-1215.2022.13.3.006.

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The article presents the results of the analysis of data on lightning discharges, registered in 2021 on the territory of the Murmansk region by the non-commercial lightning detection network Blitzortung. Despite the relatively low percentage of registered lightning discharges, the Blitzortung network is the only available source of information on lightning activity in the Murmansk region. The analysis of lightning activity in 2021 on the territory of the Murmansk region is carried out, data on the impact of lightning on the objects of the Kola Power System are presented.
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Rodger, C. J., J. B. Brundell, R. L. Dowden, and N. R. Thomson. "Location accuracy of long distance VLF lightning locationnetwork." Annales Geophysicae 22, no. 3 (2004): 747–58. http://dx.doi.org/10.5194/angeo-22-747-2004.

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Abstract. An experimental VLF WorldWide Lightning Location (WWLL) network is being developed to provide realtime locations of cloud to ground lightning discharges occurring throughout the globe. This network has expanded from a limited number of stations in the Western Pacific to its current state of 11 stations, in most longitude sectors, with additional stations planned in the near future. As part of the initial testing phase of the WWLL the network has operated in a simple mode, sending the station trigger times into a central processing point rather than using the sferic Time of Group Arri
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Zhou, Kanghui, Yongguang Zheng, Wansheng Dong, and Tingbo Wang. "A Deep Learning Network for Cloud-to-Ground Lightning Nowcasting with Multisource Data." Journal of Atmospheric and Oceanic Technology 37, no. 5 (2020): 927–42. http://dx.doi.org/10.1175/jtech-d-19-0146.1.

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AbstractPrecise and timely lightning nowcasting is still a great challenge for meteorologists. In this study, a new semantic segmentation deep learning network for cloud-to-ground (CG) lightning nowcasting, named LightningNet, has been developed. This network is based on multisource observation data, including data from a geostationary meteorological satellite, Doppler weather radar network, and CG lightning location system. LightningNet, with an encoder–decoder architecture, consists of 20 three-dimensional convolutional layers, pooling and upsampling layers, normalization layers, and a softm
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Mahomed, Maqsooda, Alistair D. Clulow, Sheldon Strydom, Tafadzwanashe Mabhaudhi, and Michael J. Savage. "Assessment of a Ground-Based Lightning Detection and Near-Real-Time Warning System in the Rural Community of Swayimane, KwaZulu-Natal, South Africa." Weather, Climate, and Society 13, no. 3 (2021): 605–21. http://dx.doi.org/10.1175/wcas-d-20-0116.1.

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AbstractClimate change projections of increases in lightning activity are an added concern for lightning-prone countries such as South Africa. South Africa’s high levels of poverty, lack of education, and awareness, as well as a poorly developed infrastructure, increase the vulnerability of rural communities to the threat of lightning. Despite the existence of national lightning networks, lightning alerts and warnings are not disseminated well to such rural communities. We therefore developed a community-based early warning system (EWS) to detect and disseminate lightning threats and alerts in
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Ajadi, Sodiq A., and Richard A. Balogun. "Diurnal and Monthly Variability of Lightning Observation Over West Africa." European Journal of Environment and Earth Sciences 3, no. 5 (2022): 20–24. http://dx.doi.org/10.24018/ejgeo.2022.3.5.316.

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This study examines in detail lightning activities over West Africa using the worldwide lightning location network (WWLLN). The Worldwide Lightning Location Network (WWLLN; operated by the University of Washington) is a developing, experimental lightning detection network increasingly used for applications. In West Africa, there are many studies on the diurnal process of lightning activity at the regional level, but there is a shortage of literature examining the diurnal variation of lightning observation in this region. Therefore the main objective of the study is to examine the lightning act
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Kamogawa, Masashi, Tomoyuki Suzuki, Hironobu Fujiwara, et al. "Characteristics of the Blitzortung.org Lightning Location Catalog in Japan." Atmosphere 14, no. 10 (2023): 1507. http://dx.doi.org/10.3390/atmos14101507.

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We evaluated the detection efficiency and location accuracy of lightning discharges in Japan using Blitzortung.org, a volunteer-based network for locating lightning discharges from sferics measured by very low frequency (VLF) electromagnetic receivers that have been deployed worldwide in recent years. A comparison of the flash rate (the detected lightning rate per area and period) from Blitzortung.org with that from the satellite-based OTD/LIS and the ground-based World Wide Lightning Location Network (WWLLN) observations showed that Blitzortung.org clearly observed intense lightning activity
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Green, Gilbert, and Naomi Watanabe. "Spider Lightning Characterization: Integrating Optical, NLDN, and GLM Detection." Atmosphere 14, no. 7 (2023): 1191. http://dx.doi.org/10.3390/atmos14071191.

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Here, we investigate the characteristics of spider lightning analyzing individual lightning flashes as well as the overall electric storm system. From July to November 2022, optical camera systems captured the visually spectacular spider lightning in Southwest Florida. The aspects and activities of the discharges were analyzed by merging the video images with lightning flash data from the National Detection Lightning Network (NLDN) and the Geostationary Lightning Mapper (GLM). Spider lightning discharges primarily occurred during the later stages of the overall lightning activity when there wa
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Putra, Yusuf Alamsyah, Aris Heri Setiawan, and Izzah Aulia Wardah. "Technical Study of Arresters in the 20 KV Distribution Network at PT. PLN RAYON TANDES." Jurnal Teknik Elektro 8, no. 2 (2025): 37. https://doi.org/10.31000/jte.v8i2.13864.

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Arrester is a device in an electrical system that will protect electrical equipment caused by lightning. Study the characteristics of lightning rods so you can see their performance in protecting transformers during lightning surges. Pay attention to the factors that will influence the voltage and surge current, the distance of the lightning protection, the slope of the incident wave, the speed of the surge wave, and the basic insulation level. The level of failure to protect against lightning occurs because of the basic insulation level of the device and the location of the lightning protecti
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Poelman, Dieter R., Wolfgang Schulz, Rudolf Kaltenboeck, and Laurent Delobbe. "Analysis of lightning outliers in the EUCLID network." Atmospheric Measurement Techniques 10, no. 11 (2017): 4561–72. http://dx.doi.org/10.5194/amt-10-4561-2017.

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Abstract. Lightning data as observed by the European Cooperation for Lightning Detection (EUCLID) network are used in combination with radar data to retrieve the temporal and spatial behavior of lightning outliers, i.e., discharges located in a wrong place, over a 5-year period from 2011 to 2016. Cloud-to-ground (CG) stroke and intracloud (IC) pulse data are superimposed on corresponding 5 min radar precipitation fields in two topographically different areas, Belgium and Austria, in order to extract lightning outliers based on the distance between each lightning event and the nearest precipita
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Wang, Guoming, Woo-Hyun Kim, Gyung-Suk Kil, Dae-Won Park, and Sung-Wook Kim. "An Intelligent Lightning Warning System Based on Electromagnetic Field and Neural Network." Energies 12, no. 7 (2019): 1275. http://dx.doi.org/10.3390/en12071275.

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Prediction of lightning occurrence has significant relevance for reducing potential damage to electric installations, buildings, and humans. However, the existing lightning warning system (LWS) operates using the threshold method and has low prediction accuracy. In this paper, an intelligent LWS based on an electromagnetic field and the artificial neural network was developed for improving lightning prediction accuracy. An electric field mill sensor and a pair of loop antennas were designed to detect the real-time electric field and the magnetic field induced by lightning, respectively. The ch
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Conoscenti, Marco, Antonio Vetrò, and Juan Carlos De Martin. "CLoTH: A Lightning Network Simulator." SoftwareX 15 (July 2021): 100717. http://dx.doi.org/10.1016/j.softx.2021.100717.

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Lin, Jian-Hong, Emiliano Marchese, Claudio J. Tessone, and Tiziano Squartini. "The weighted Bitcoin Lightning Network." Chaos, Solitons & Fractals 164 (November 2022): 112620. http://dx.doi.org/10.1016/j.chaos.2022.112620.

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Dowd, P., J. Perreault, J. Chu, et al. "LIGHTNING network and systems architecture." Journal of Lightwave Technology 14, no. 6 (1996): 1371–87. http://dx.doi.org/10.1109/50.511668.

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Javor, Vesna, Leonid Stoimenov, Nikola Dzakovic, Nikola Dinkic, Dario Javor, and Hans-Dieter Betz. "LINETGIS analysis of lightning flash density in Serbia based on ten years data." Serbian Journal of Electrical Engineering 15, no. 2 (2018): 201–11. http://dx.doi.org/10.2298/sjee1802201j.

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Lightning detection networks installed throughout the world provide data for obtaining flash density maps and information about lightning discharges characteristics. According to the IEC 62858 Standard, lightning data for at least ten years is required to ensure that short time scale variations in lightning parameters are accounted for. LINET (European Lightning Detection Network) was installed in Serbia in 2008, so its data for the last ten years period are used for the analysis in this paper. LINETGIS is a new software application based on geographical information system (GIS) technology in
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Mansouri, Ehsan, Amirhosein Mostajabi, Chong Tong, Marcos Rubinstein, and Farhad Rachidi. "Lightning Nowcasting Using Solely Lightning Data." Atmosphere 14, no. 12 (2023): 1713. http://dx.doi.org/10.3390/atmos14121713.

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Lightning is directly or indirectly responsible for significant human casualties and property damage worldwide. A timely prediction of its occurrence can enable authorities and the public to take necessary precautionary actions resulting in diminishing the potential hazards caused by lightning. In this paper, based on the assumption that atmospheric phenomena behave in a continuous manner, we present a model based on residual U-nets where the network architecture leverages this inductive bias by combining information passing directly from the input to the output with the necessary required cha
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Wang, Jiaquan, Qiming Ma, Xiao Zhou, et al. "Asia-Pacific Lightning Location Network (APLLN) and Preliminary Performance Assessment." Remote Sensing 12, no. 10 (2020): 1537. http://dx.doi.org/10.3390/rs12101537.

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The Asia-Pacific Lightning Location Network (APLLN) is a lightning location system consisting of a series of very low-frequency signal detection sites. Since 2018, 16 detection sites have been deployed with an average baseline longer than 1000 km. The detection site used a trigger sampling method to record the lightning signal with a duration of 2 ms and calculates the lightning arrival time based on digital filtering and the Hilbert envelope method. APLLN used a time difference location algorithm and improved Levenberg–Marquardt non-linear least squares iterative algorithm to calculate and op
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Michaelides, S., K. Savvidou, and K. Nicolaides. "Relationships between lightning and rainfall intensities during rainy events in Cyprus." Advances in Geosciences 23 (August 25, 2010): 87–92. http://dx.doi.org/10.5194/adgeo-23-87-2010.

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Abstract. The objective of this work is to study the relationship between the number of lightning recorded by a network of lightning detectors and the amount of rainfall recorded by the network of automatic rain gauges, during rainy events in Cyprus. This study aims at revealing possible temporal and spatial "relationships" between rainfall and lightning intensities. The data used are based on the available records of hourly rainfall data and the "associated" lightning data, with respect to both time and space. The search for temporal and spatial relationships between lightning and rainfall is
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Hu, Z. X., W. G. Zhao, and H. P. Zhu. "A source location algorithm of lightning detection networks in China." Annales Geophysicae 28, no. 10 (2010): 1981–91. http://dx.doi.org/10.5194/angeo-28-1981-2010.

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Abstract. Fast and accurate retrieval of lightning sources is crucial to the early warning and quick repairs of lightning disaster. An algorithm for computing the location and onset time of cloud-to-ground lightning using the time-of-arrival (TOA) and azimuth-of-arrival (AOA) data is introduced in this paper. The algorithm can iteratively calculate the least-squares solution of a lightning source on an oblate spheroidal Earth. It contains a set of unique formulas to compute the geodesic distance and azimuth and an explicit method to compute the initial position using TOA data of only three sen
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Gvozdas, Vitalijus, and Povilas Valatka. "Experimental Research of the Overvoltage in the Insulated Neutral Network." Scientific Journal of Riga Technical University. Power and Electrical Engineering 26, no. 1 (2010): 11–14. http://dx.doi.org/10.2478/v10144-010-0012-4.

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Experimental Research of the Overvoltage in the Insulated Neutral Network The isolated neutral network isolation resistance is often affected by the lightning discharge surge to the line cables or towers. Several overvoltage waves are maid at the moment of the lightning discharge surge. It is dangerous for the devices because at the very short time period the isolation of the device is affected by the surge impact twice or even more. The analysis of the experimentally registered lightning discharge induced overvoltage transients effect from the lightning influence to the power line till the po
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