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New York Sky Turns Bright Blue After Transformer Explosion

nytimes.com

21–30 of 173 posts

Re: New York Sky Turns Bright Blue After Transformer Explosion

#21
post #3

I wonder how often these occur. When I was in my early 20s a buddy and I were about 18 hours in to a drive to Buena Vista, CO from Portland, OR, when a transformer exploded somewhere near us in a huge canyon. We thought it was noiseless nucleur explosion - the light was searingly bright and seemed to engulf everything. I just happened to call another friend (from a pay phone!) who had experienced the same thing. Even…

This happened to me once on a small street in Massachusetts.

I was driving at night and suddenly my heart jumped as a helicopter suddenly shined its bright spotlight straight at my car, like in the movies. It was hovering 20 feet off the ground about 200 feet away, and pointing straight at me.

After a second or two I realised the ‘helicopter’ was just my brain’s initial attempt to interpret what I was seeing. There was no helicopter, it was a transformer at the top of a pole that exploded.

The “spotlight” was not focused in any one direction but shining in all directions equally, so it was damn bright.

You hardly ever see anything so bright, which was why the “spotlight” thing made sense to my brain at first. And “helicopter” since it was up in the air.

It stayed lit for only a couple seconds and then the street plunged into darkness, all street lights off, as a few errant will-o-wisps sputtered out of the remains of the transformer.

Re: New York Sky Turns Bright Blue After Transformer Explosion

#23
post #3

I wonder how often these occur. When I was in my early 20s a buddy and I were about 18 hours in to a drive to Buena Vista, CO from Portland, OR, when a transformer exploded somewhere near us in a huge canyon. We thought it was noiseless nucleur explosion - the light was searingly bright and seemed to engulf everything. I just happened to call another friend (from a pay phone!) who had experienced the same thing. Even…

Arc flash is a pretty amazing thing. And literally blindingly bright.

Even a little utility pole transformer can put on quite the show. Years ago, I saw one where the the transformer itself got ~vaporized. And then the arc started walking down the pole. Maybe the pole was old enough that it had some long cracks, that were damp enough to conduct well. Pretty soon, the entire pole was carbonized, and there was arcing all the way from the kV lines to the ground.

After a couple hours, they isolated the circuit, and shut it down.

Re: New York Sky Turns Bright Blue After Transformer Explosion

#25

How dangerous is that light? I know welding arcs contain a lot of dangerous UV light for example. It should be fine indirectly (clouds would let the UV pass or absorb it), but directly being exposed to it seems dangerous.

Don’t see why there are downvotes - it’s a genuine question

Re: New York Sky Turns Bright Blue After Transformer Explosion

#26
post #6

This happens in Nigeria a lot (><) I hear and see a transformer explode multiple times per week.

What is the cause?

Theft, mainly. A transformer is a big lump of copper, but even the oil is meaningfully valuable in a low-income country. There are reports of widespread transformer oil theft across Africa and South-East Asia. Draining a transformer of oil is easy, it'll earn you a few naira and it'll inevitably lead to the transformer burning itself out in spectacular fashion.

https://www.aljazeera.com/indepth/features/2014/12/thieves-f...

http://www.eskom.co.za/AboutElectricity/PubSafety/Pages/Tran...

https://english.mathrubhumi.com/news/kerala/theft-of-oil-fro...

Re: New York Sky Turns Bright Blue After Transformer Explosion

#29
post #10

Is this light in the sky a reflection (as on water vapor/smog) of what is happening at ground level?

Yes, when a transformer fails spectacularly like this, there's often an electrical arc for a brief time, which is typically about as bright as lightning.

It's often not a brief time.

https://www.youtube.com/watch?v=x87WuJgoqlQ

Re: New York Sky Turns Bright Blue After Transformer Explosion

#30

I live about two blocks away. The lights dimmed and one of our breakers flipped. Then it got bad. My phone suddenly lit up, brighter than the night's electric blue sky, as everyone I've ever known called and texted to ask about what was going on. Nothing interesting. Astoria is a pretty great neighborhood tho. We have a 24-hour fruit market next to another 24-hour fruit market.

What's the difference between the fruit stores? Is one better than the other or are they not directly comparable?

United Brothers and Elliniki are similar, basically identical. I don't actually know the history behind it. Probably something like a CVS setting up shop across the street from a Walgreens.

United Brothers is interesting. It's an institution, but the family's that owns it makes their real money from real estate now. And apples. Good apples. Around October the apple barn next to the main United building is the best smelling place in NYC. $0.89/lb.

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