While wandering idly down the street, i came across a power distribution transformer. A fairly standard final distribution one (11kV D>0.43kV y).
It looked a bit of a sorry state, but was making all the right noises. Anyway, it was labeled as having been manufactured in 1962 - so it's getting on a bit.
So I looked for a few more, and a couple that i could get close enough to - were also a good 30-40 years old. However, it seems as though keeping people away has become more of a priority in recent years - so anything that looked even marginally newer was way out of bounds.
So how long are power transformers supposed to last?
Presumably as long as you don't overheat them or short circuit them and don't let them rust, they should be pretty much good for a very, very long time. Even if you do look after them, what tends to kill them?
It looked a bit of a sorry state, but was making all the right noises. Anyway, it was labeled as having been manufactured in 1962 - so it's getting on a bit.
So I looked for a few more, and a couple that i could get close enough to - were also a good 30-40 years old. However, it seems as though keeping people away has become more of a priority in recent years - so anything that looked even marginally newer was way out of bounds.
So how long are power transformers supposed to last?
Presumably as long as you don't overheat them or short circuit them and don't let them rust, they should be pretty much good for a very, very long time. Even if you do look after them, what tends to kill them?