
Originally Posted by
joshwrale
Hello,
I'm curious as to what happens to mineral oil in a transformer. I suspect that most transformers use some sort of other transformer oil, but surely some of the earliest transformers used mineral oil, before PCBs..
Anyway, my question is, specifically, must the transformer be vented in some fashion, if it's filled with mineral oil? Presupposing venting is necessary, why? Does the mineral oil produce some sort of gas in there? Is that gas, if any, dangerous?
Let's say I want to create a dummy load can, which is vacuum sealed and contains mineral oil. Does the sealed container, electrical current plus mineral oil cause a dangerous combination? How about in the climate-changed summer sun?
Thanks!!
-Joshua