Lightning surge analysis of Faraday cage using alternative transient program‐electromagnetic transients program

Mamiş, Mehmet Salih; Keles, Cemal; Arkan, Müslüm; Kaya, Ramazan

doi:10.1049/iet-gtd.2015.0794

Cited by 11 publications

(9 citation statements)

References 28 publications

(24 reference statements)

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“…For verification purpose, the system is modelled in the s‐domain as in [9], where the s‐domain to time‐domain conversion is carried out using the FILT proposed by Hosono [20]. This technique was found to be fast and efficient in many cases of power system transient simulations [5–8].…”

Section: Computational Applications and Resultsmentioning

confidence: 99%

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Lumped‐parameter‐based electromagnetic transients simulation of non‐uniform single‐phase lines using state variable method

Mamiş

2020

IET Generation, Transmission & Distribution

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Section: Computational Applications and Resultsmentioning

confidence: 99%

“…Terminal equations were obtained in the s‐domain and the inverse Laplace transform was used to obtain the time‐domain response. Later, the non‐uniform line modelling was also used in lightning protection system modelling [9, 10].…”

Section: Introductionmentioning

confidence: 99%

Lumped‐parameter‐based electromagnetic transients simulation of non‐uniform single‐phase lines using state variable method

Mamiş

2020

IET Generation, Transmission & Distribution

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“…Lightning is the core factor causing the trip accidents of overhead transmission lines, which seriously threatens the safety and stability of the power system [1][2][3][4]. Therefore, it is important to study the wave process of lightning propagation under the lightning impact, and further to conduct lightning protection design.…”

Section: Introductionmentioning

confidence: 99%

A distributed modelling method of the transmission tower and transient response analysis of lightning wave process

Huang

Zhou

et al. 2021

IET Generation Trans & Dist

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Lightning transient response analysis is the key to determining the lightning resistance level of transmission lines and the performance of lightning protection measures. This paper proposes a distributed modelling method for a typical 110 kV transmission tower and further analyses the lightning transient response. The refined modelling of the nominal height part of the tower is carried out. Then the influence of the refined modelling on the refraction and reflection process of the lightning wave propagation is investigated. Based on the distributed tower model, the impact of the foot distance and the equivalent radius of the main body cylinder on the top overvoltage is studied. Field experiments indicate that the proposed distributed tower model can effectively reflect the transient lightning wave process. Moreover, it can provide technical support for the lightning resistance level of transmission lines and the lightning protection of narrow base towers.

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“…So, it is important to perform the accurate modeling of grounding system for calculation the lightning performance of TLs. Usually, a simple linear or nonlinear resistance is conventional for modeling of tower footing resistance (Araújo et al, 2015;Banjanin, Savić, & Stojković, 2015;Mamiş, Keleş, Arkan, & Kaya, 2016;Shariatinasab et al, 2014;Tossani et al, 2015). In conventional modeling, the magnitude of tower footing resistance is only varied with the lightning current magnitude flowing through the tower footing into the ground.…”

Section: Introductionmentioning

confidence: 99%

The effect of grounding system modeling on lightning-related studies of transmission lines

Shariatinasab¹,

Gholinezhad²

2017

Journal of Applied Research and Technology

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Un-accurate modeling of power system may cause to under or over-design the insulation, which in turn, leads to increase in the investment and/or maintenance cost of the network protection against lightning overvoltages. The grounding system is an effective parameter on the magnitude of the lightning overvoltages and insulation coordination of high voltage transmission lines (TLs). This paper presents a comprehensive evaluation of the effect of grounding electrode impedance on the estimation of overvoltages caused by lightning strokes, in which both the vertical and non-vertical strokes are considered. In the presented study, static and wide-band model of the tower-footing grounding system is adopted assuming the soil electrical parameters to be either constant or frequency dependent. Also, the effect of modeling type of grounding system is considered on the TLs' reliability indices. The study was performed on a typical 400-kV transmission line which is modeled in EMTP-RV. From the simulation results, it is found that the outage rate of TLs is markedly affected by the model of the tower footing grounding system. This effect is more pronounced when the soil electrical parameters are frequency dependent. It is also concluded that, in addition to the lightning overvoltages, the unavailability of the TLs is significantly affected by wide-band model of grounding system, non-vertical lightning strokes and soil resistivity.

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Lightning surge analysis of Faraday cage using alternative transient program‐electromagnetic transients program

Cited by 11 publications

References 28 publications

Lumped‐parameter‐based electromagnetic transients simulation of non‐uniform single‐phase lines using state variable method

Lumped‐parameter‐based electromagnetic transients simulation of non‐uniform single‐phase lines using state variable method

A distributed modelling method of the transmission tower and transient response analysis of lightning wave process

The effect of grounding system modeling on lightning-related studies of transmission lines

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