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Questions tagged [lightning]

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4
votes
2answers
611 views

Preventing Arduino from getting lightning strikes and protecting it

I want to use an Arduino as a weather station and I want to put it high up in a tree. It should be independent and powered by solar panels. This is where the problem starts. Lightning strikes occur ...
2
votes
2answers
10k views

Calculate number of photons of a light source given the lumen and the color spectrum [closed]

Is there any program that given the lumen and the colour spectrum (relative intensity at any wavelength) of a light source and it outputs the total amount of photons per wavelength?
0
votes
2answers
178 views

Induction loop for catching lightning?

Recent thunderstorm, and a big overhead cloud to cloud lightning flash. Coincident with it, sparks jumped from a metal chair in the house. Would it be possible to get a spark from a loop of cable ...
1
vote
1answer
500 views

Can a metal pipe shield wiring against EMP during a nearby lightning strike?

I have a building which regularly experiences nearby lightning strikes. The backup diesel generator is located 10 meters away from the building. Can induced currents from the EMP be reduced within the ...
3
votes
3answers
654 views

Creating an isolated power supply to prevent effects of lightning

Transformers isolate the load completely from the primary power source. Does that mean that I can connect two or more transformers one after the other and expect my Linear Power Supply to have better ...
5
votes
2answers
540 views

Protecting a tethered floating device from Lightning strikes

I am building a device, current as a proof of concept, but I would like to have it in place for a long period of time (over a year) with minimal maintenance. The device is powered by an array of ...
0
votes
1answer
153 views

What would happen to the wires if a lightning struck them? [closed]

I've got a link to this video of a lightning striking wiring between two houses in a city: http://www.youtube.com/watch?v=bLPFeW40Xrc I wonder if the wires were melted by the current (as commenters ...
13
votes
3answers
53k views

Why do thunderstorms knock out power?

It isn't like lightning strikes the wires. And surely the whole apparatus is designed to be water-proof. So what is it that causes power outages during thunderstorms?