Subject: Pig coiling
From: Kristian Ukkonen <kukkonen-at-snakemail.hut.fi>
Date: Sun, 28 Jan 1996 01:46:46 +0200 (EET)
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I finally found a pole pig (7kVA, 20kVAC, 180kg) and some basic
questions that need verification arose:
Where do people ground the casing of the xformer? I read from the archives
that RQ states to use RF-ground (why?) but what do others think - my
friend here in Finland stated the opposite..
One does connect the external current-limiting before the variac,
aka between mains and variac, not between variac and xformer, right?
about magnifiers: I've read from RQs messages that primary and secondary
should have resonant frequencies in 1:2 ratio (about) but why is this? As
the primary to secondary transformation is not resonant but just a RF
air-core xformer I'd presume that one wants the resonant transformers NOT
to match and thus something like 1:4.5 or less would sound practical and
would drop the ratio of secondary to tertiary inductance as well while
allowing practical physical designs..