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RE: oil dielectric

Original poster: "David Thomson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dave-at-volantis-dot-org>

Hi Dave P.,

>>We're talking about enclosed containers with no air.  There is
>>no way the arc will contact the oil.

	The Power Cos probably blow one transformer a day,
	nationwide, 'enclosed in containers with no air'.
	The accompanying fires (and, occasionally, explosions)
	can be found in the news paper.

In case you are not aware, the power company transformers are iron cored.
This produces a lot more heating than an air cored transformer.  Do you have
any data on air core, oil jacketed secondaries?

Dave T.