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This sub-station transformer suffered an internal
short-circuit and the protection devices didn't operate.
Large transformers are filled with oil, hence the large ones more
fire once the transformer enclosures split. Obviously this
shouldn't happen.
This sub-station transformer suffered an internal
short-circuit and the protection devices didn't operate.
Large transformers are filled with oil, hence the large ones more
fire once the transformer enclosures split. Obviously this
shouldn't happen.
Many years ago I was sitting in a McDonalds restaurant at Carlsbad, NM with a friend. As I sit there looking out the window, my gaze happened to fall on a canister-type transformer on the top of a telephone pole across the street and about three blocks away. As I looked at the transformer, it exploded with a fireball. It looked, and sounded, like a hand grenade.
When I was a kid these transformers were filled with a type of oil that had "cooling properties but no lubricating properties." I was told that by a utility guy many years ago while he was working on the electrical station below our farm house and I was being a nosy snot-nosed kid. Could this "oil" be a PCB?
When I was a kid these transformers were filled with a type of oil that had "cooling properties but no lubricating properties." I was told that by a utility guy many years ago while he was working on the electrical station below our farm house and I was being a nosy snot-nosed kid. Could this "oil" be a PCB?
Supposedly they all were dealt with... makes you wonder how they were dealt with..
After reading a bit more on the subject, I guess the PCBs were mostly used for their heat transfer abilities and for their persistence.
But you're right. I wonder what they are using now to cool these things? We have some huge transformers around here what with all the wind farms going in. Looking at the OP's video, it must be something that is pretty flammable.
BTW, the exploding transformer at Carlsbad was probably in about 1977/8 so who knows what was in it.
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