Performance of Large-Scale Grounding Systems in Thermal Power Plants Against Lightning Strikes to Nearby Transmission Towers

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Performance of Large-Scale Grounding Systems in Thermal Power Plants Against Lightning Strikes to Nearby Transmission Towers. / Rizk, Mohammad E.M.; Lehtonen, Matti; Baba, Yoshihiro; Abulanwar, Sayed.

In: IEEE Transactions on Electromagnetic Compatibility, Vol. 61, No. 2, 8365887, 01.04.2019, p. 400-408.

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@article{d4f30374bad9456fb1d741c64ab1b967,
title = "Performance of Large-Scale Grounding Systems in Thermal Power Plants Against Lightning Strikes to Nearby Transmission Towers",
abstract = "In spite of the contemporary interest in renewable power plants, thermal power plants are still inevitable. Various electric equipment and apparatus are grounded via a large-scale grounding system in thermal power plants. In this paper, the three-dimensional finite-difference time-domain method has been employed to study the performance of such a large-scale grounding system against a lightning strike to a nearby transmission tower. The study has emphasized how a nearby sea, which is utilized for cooling purposes in thermal power plants, influences the ground potential rise on the large-scale grounding system considering soil ionization. The results show that the distribution of the ground potential rise on the large-scale grounding system is quite dependent on the alignment of sea with the large-scale grounding system. In addition, the extent that soil ionization affects the ground potential rise is dependent on the distance between the struck tower and the large-scale grounding system.",
keywords = "Electrodes, Electromagnetic fields, Finite-difference time-domain (FDTD) method, Ground penetrating radar, Grounding, Grounding systems (GSs), Ionization, Lightning, Lightning strikes, Power generation, Soil",
author = "Rizk, {Mohammad E.M.} and Matti Lehtonen and Yoshihiro Baba and Sayed Abulanwar",
year = "2019",
month = "4",
day = "1",
doi = "10.1109/TEMC.2018.2831700",
language = "English",
volume = "61",
pages = "400--408",
journal = "IEEE Transactions on Electromagnetic Compatibility",
issn = "0018-9375",
publisher = "Institute of Electrical and Electronics Engineers",
number = "2",

}

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TY - JOUR

T1 - Performance of Large-Scale Grounding Systems in Thermal Power Plants Against Lightning Strikes to Nearby Transmission Towers

AU - Rizk, Mohammad E.M.

AU - Lehtonen, Matti

AU - Baba, Yoshihiro

AU - Abulanwar, Sayed

PY - 2019/4/1

Y1 - 2019/4/1

N2 - In spite of the contemporary interest in renewable power plants, thermal power plants are still inevitable. Various electric equipment and apparatus are grounded via a large-scale grounding system in thermal power plants. In this paper, the three-dimensional finite-difference time-domain method has been employed to study the performance of such a large-scale grounding system against a lightning strike to a nearby transmission tower. The study has emphasized how a nearby sea, which is utilized for cooling purposes in thermal power plants, influences the ground potential rise on the large-scale grounding system considering soil ionization. The results show that the distribution of the ground potential rise on the large-scale grounding system is quite dependent on the alignment of sea with the large-scale grounding system. In addition, the extent that soil ionization affects the ground potential rise is dependent on the distance between the struck tower and the large-scale grounding system.

AB - In spite of the contemporary interest in renewable power plants, thermal power plants are still inevitable. Various electric equipment and apparatus are grounded via a large-scale grounding system in thermal power plants. In this paper, the three-dimensional finite-difference time-domain method has been employed to study the performance of such a large-scale grounding system against a lightning strike to a nearby transmission tower. The study has emphasized how a nearby sea, which is utilized for cooling purposes in thermal power plants, influences the ground potential rise on the large-scale grounding system considering soil ionization. The results show that the distribution of the ground potential rise on the large-scale grounding system is quite dependent on the alignment of sea with the large-scale grounding system. In addition, the extent that soil ionization affects the ground potential rise is dependent on the distance between the struck tower and the large-scale grounding system.

KW - Electrodes

KW - Electromagnetic fields

KW - Finite-difference time-domain (FDTD) method

KW - Ground penetrating radar

KW - Grounding

KW - Grounding systems (GSs)

KW - Ionization

KW - Lightning

KW - Lightning strikes

KW - Power generation

KW - Soil

UR - http://www.scopus.com/inward/record.url?scp=85047645040&partnerID=8YFLogxK

U2 - 10.1109/TEMC.2018.2831700

DO - 10.1109/TEMC.2018.2831700

M3 - Article

VL - 61

SP - 400

EP - 408

JO - IEEE Transactions on Electromagnetic Compatibility

JF - IEEE Transactions on Electromagnetic Compatibility

SN - 0018-9375

IS - 2

M1 - 8365887

ER -

ID: 26979740