External Lightning Protection System Lecture 3: Rolling Sphere Method

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This lecture provides a detailed explanation of the rolling sphere method based on IEC 62305-3 with some examples. It provides the explanation using basic math equations without the requirement of using any software (e.g. AutoCAD). It explains how to calculate penetration depth and explains the common mistakes done using this method.

Опубликовано:

15 окт 2022

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Комментарии : 29

@NicholasWilliams-qk3mb 4 месяца назад

Excellent review. Thank you for posting.

@railwayengineeringinsights6463 4 месяца назад

Many thanks!

@pateldevang1766 Год назад

Good explanation

@samg5429 Год назад

Hi sir could u make a video on mesh method. Thank you

@sathiyakumar9932 Год назад

Excellent explanation sir thank you very much

@railwayengineeringinsights6463 Год назад

Many thanks

@the340club Год назад

Continue the lightning lectures please

@murtadh-jefet Год назад

perfect lecture

@railwayengineeringinsights6463 Год назад

Many thanks

@brunomiguelgarcilazodelcas1219 Год назад

Can you recommend some books for design of external and internal LPS?

@shihabahmed1457 Год назад

Thanks

@thilinadasun6110 3 месяца назад

thank you for your Video. I have a question, according to the example why we can't increase the height of cupper terminal more than 3m....?

@railwayengineeringinsights6463 3 месяца назад

Yes, sure you can increase it to any number you want. I just picked it for example.

@MultiJayendra 2 месяца назад

Hi… Does Mesh provided on roof also helps in Lightning protection of nearby building using rolling sphere method?

@railwayengineeringinsights6463 2 месяца назад

Yes it helps and rolling sphere shall be applied. Please note that in this case you need check equipment that are roof mounted and be careful with the design.

@Rohitp15081 2 месяца назад

Why are you choosing 2m radius

@rohandsouza2870 Год назад

Nicely explained i have few doubts how can I reach you

@railwayengineeringinsights6463 Год назад

Hi Rohan, you can post it here or on railwayengineering2020@gmail.com

@javeriafirdous3082 Год назад

Can u please make video on mesh too

@railwayengineeringinsights6463 Год назад

Sure will try to make one.

@the340club Год назад

we need down conductor lectures please

@railwayengineeringinsights6463 3 месяца назад

Sure, I will try my best to prepare about down conductors, SPDs and other topics related to LPS.

@sudampatra5608 Год назад

Sir what is my redius if hight is 150 mtr

@railwayengineeringinsights6463 Год назад

In case height is more than 60m then we need to provide projections in between to avoid side flash over. Protrusions (spikes) coming out. Radius will depend on risk assessment.