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Overdriving potential transformers
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To: tesla-at-grendel.objinc-dot-com
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Subject: Overdriving potential transformers
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From: sroys-at-Anchorage.ab.umd.edu
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Date: Wed, 27 Mar 1996 22:01:17 -0500 (EST)
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How much current can I get from my 1.5kVA, 14400 potential transformer
before some kind of catastrophic failure occurs - 2kVA? 3KVA? more? I
have assumed that as long as I don't exceed the rated voltage, a PT would
be almost as bullet-proof as a pole transformer and would be pretty much
limited by the temperature rise (i.e. - turn it off when it starts
getting warm). Is this a reasonable assumption or am I going to quickly
end up with a dead PT by running it at a higher current than what it's
rated for?
Steven Roys