Step and Touch Voltage Distributions at GSM Base Station during Direct Lightning Stroke

The analysis for lightning current facing in communication system has been analyzed and discussed in literatures. But the most of them are the situations of perpendicular to the ground for the lightning current, which is not universal. In this thesis, lightning current is simplified into a model of spatial diagonal current source, and 'image method' is adopted in the analysis of electromagnetic field distribution. The results show that lightning would create strong electromagnetic radiation when lightning occurs. This method provides a theoretical basis for further analysis of lightning protections.

show abstract

“…As can be known by the given conditions, the size of the mirror current b is [6] I" (t) == pI -po I (t) us+ po So, the size of current b is…”

Section: Electromagnetic Field Calculationmentioning

confidence: 99%

Distribution of electromagnetic field for spatial diagonal lightning current

Zhou

Wang

et al. 2011

2011 7th Asia-Pacific International Conference on Lightning

View full text Add to dashboard Cite

show abstract

“…There is a variety of research in which an electromagnetic simulation method has been performed to study the electric field intensity caused by lightning and also the touch and step voltages. Unlike the electrostatic counterpart [9], the inductive effects of lightning on the touch and step voltages can be realised [10][11][12]. The touch and step voltages have been studied in many aspects.…”

Section: Introductionmentioning

confidence: 99%

Touch and Step Voltage Evaluation based on Computer Simulation for a Mass Rapid Transit System in Thailand

Sumpavakup¹,

Mongkoldee²,

Ratniyomchai³

et al. 2020

IJIES

View full text Add to dashboard Cite

This article proposed a computer-based simulation approach to estimate touch and step voltages due to a lightning strike at a mass rapid transit railway station. A purely resistive circuit model of a station lightning protection, and earthing & bonding system is formed in MATLAB/Simulink with Yaek Nonthaburi 1 passenger station of MRT purple line in Bangkok, Thailand as a case study. The simulation investigated the consequence of a lightning strike at four different locations on the roof of the station and examined whether or not the lightning protection system met the standard requirements. The results showed the touch voltages, step voltages and body currents in a steady state together with the impact on the human body standing in the station. The simulation can guarantee the effectiveness of the proposed model, and also proved that the lightning protection system of the station is able to conform to the standard and there is no harm for the passenger in the station.

show abstract

Lightning current models' characteristics based on continuous wavelet transform

Zhou

Wang

et al. 2011

2011 7th Asia-Pacific International Conference on Lightning

View full text Add to dashboard Cite

Step and Touch Voltage Distributions at GSM Base Station during Direct Lightning Stroke

Cited by 4 publications

References 5 publications

Distribution of electromagnetic field for spatial diagonal lightning current

Distribution of electromagnetic field for spatial diagonal lightning current

Touch and Step Voltage Evaluation based on Computer Simulation for a Mass Rapid Transit System in Thailand

Lightning current models' characteristics based on continuous wavelet transform

Contact Info

Product

Resources

About