Copper Calculation in Transformers

About 72.365%.

Or three tons.

Thats the average, but then I had to go back and check if a "Trasformer" has copper at all.

Now I think it could be any Transformer and average might be even lower in weight but percentage wise could still be in the 70%.

What to do?

I'd punt.

First you have to find a trasformer, whatever that is.

depends on the transformer rating and design (some use aluminium conductors..)

Why do you need to know?

You can find out easily the weight of the whole transformer by either putting it on a scale or contacting the manufacturer.

There's also many different sizes and types of transformers. Some RF impedance matching transformers weigh less than a gram. Some power transformers weigh more than a tonne.

I was thinking the same thing.

They are both first time posters. They're either casing a substation for a robbery, or in the same class project.

But wait, as you say weight alone is meaningless, for any legitimate electrical purpose.

Any installed transformer or armored cable with enough copper to be worth stealing, will likely have more than enough energy flowing and stored in it to easily take a life. Additionally it is impossible to not notice one missing.

Shhh... you shouldn't have warned him, let him find out on his own!

It should be left as one of those "Darwinian" paradigms of professional development.

I too was thinking on the same line. Lot of copper cable from our distribution system was stolen and I had to switch over to Aluminium cables to avoid frequent power breakdowns.

Ask the guy at the scrapyard this one too.