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Home » lightning danger

lightning danger

01/11/2017 By Ian Leave a Comment

Lightning design for buried cables – really?

HV Interference Studies

Continuing the theme for lightning design. I was having a technical discussion with a delegate, during a seminar in Germany. The question popped up regarding Lightning design on an AD plant (AD = anaerobic digestion). This site, with long-buried cable-runs, between plant areas. The delegates question, “What about the buried cables?”

What do we do about Lightning protection for buried cables in Lightning design?”

The question was not aimed at surge protection, but at physical protection of the cables from a direct lightning strike.  And, before you say what? Yes, buried cables are at risk from direct strike attachments.

[Read more…] about Lightning design for buried cables – really?

Filed Under: Lightning Protection Design Tagged With: lightning danger, Lightning Protection, lightning protection system

18/04/2017 By Ian Leave a Comment

Lightning Risk – Looking ahead at future trend

EX zone protection

Lightning Risk. In a world increasingly driven by quantitative Risk Assessment (QRA) techniques. It’s important to understand what the predicted impacts are as a result of our current trajectory (as humans). For Example the direction of travel that the population of planet earth seems to be following – in terms of climate change:

Increasing Lightning Risk trend

From recent research. Some in the Lightning community are predicting strike frequency increasing by +12% to +24% : the phenomenon appears to be worsening with climate change (2016). [Read more…] about Lightning Risk – Looking ahead at future trend

Filed Under: Lightning Protection Design Tagged With: Electrical Earthing System Design, lightning, lightning activity, lightning danger, lightning physics, Lightning Protection, lightning transient studies, risk management, what to do when lightning strikes

22/01/2014 By Ian

When Lightning Strikes – What to do if someone is struck by lightning

Lightning strike Emergency 999

Common injuries from being struck by lightning can be:

  • nerve and muscle paralysis,
  • impaired eyesight and hearing,
  • raised blood pressure.

[Read more…] about When Lightning Strikes – What to do if someone is struck by lightning

Filed Under: Lightning Tagged With: BS7430, lightning danger, Lightning Protection, lightning strikes, what to do in a thunderstorm, what to do when lightning strikes

15/01/2014 By Ian

When Lightning Strikes – Is it safe to … carry on normal living, during a thunderstorm?

Lightning Protection Design

When lightning strikes during thunderstorms, do you wonder if it’s safe to carry on normal living?

Is it Safe to watch TV during a thunderstorm?

If your home is equipped with an external and internal lightning protection system and appropriate surge protective devices, you can watch your favourite TV show without risk during the thunderstorm.

[Read more…] about When Lightning Strikes – Is it safe to … carry on normal living, during a thunderstorm?

Filed Under: Lightning Tagged With: BS7430, lightning danger, Lightning Protection, lightning strikes, thunderstorm facts, thunderstorm safety, what to do in a thunderstorm, what to do when lightning strikes

08/01/2014 By Ian

When Lightning Strikes … Making Life-Saving Decisions at Lightning Speed (part 2)

Lightning strikes

Lightning strike part 2

While wind surfing

There is absolutely no protection on a surfboard. Head for the shore at the first sign of an imminent thunderstorm and seek shelter.  If there is no time left, put down the mast and crouch down on the surfboard.  This does not eliminate the danger however, it is considerably reduced. [Read more…] about When Lightning Strikes … Making Life-Saving Decisions at Lightning Speed (part 2)

Filed Under: Lightning Tagged With: BS7430, lightning danger, Lightning Protection, lightning strikes, what to do in a thunderstorm

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