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RE: WATER IN TRANSFORMER OIL
I read somewhere that the water droplets elongate
and align from the field. This allows the sparking distance to
decrease (even distilled water is slightly conductiog).
It also enhances the field because the polar nature of the
water molecules (dielectric constant = 80).
Barry
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From: "tesla-at-poodle.pupman-dot-com"-at-PMDF-at-PAXMB1
To: Benson Barry; "Tesla-list-subscribers-at-poodle.pupman-dot-com"-at-PMDF-at-PAXMB1
Subject: WATER IN TRANSFORMER OIL
Date: Saturday, December 14, 1996 4:22PM
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Subscriber: huffman-at-fnal.gov Sat Dec 14 13:08:29 1996
Date: Fri, 13 Dec 1996 14:24:06 -0600
From: huffman <huffman-at-fnal.gov>
To: Tesla List <tesla-at-poodle.pupman-dot-com>
Subject: WATER IN TRANSFORMER OIL
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Hi Group,
What is the main problem with water dissolved (hydroscopic) in oil?
My first thought is that it lowers the breakdown voltage. It must also
cause corrosion with the addition of free ions. It must increase the
dielectric constant.
I would think that the effects are small (< a few %).?
Dave