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Re: Need help identifying a transformer
Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jimlux-at-earthlink-dot-net>
7.5 kVA/240V = 31.25 Amps
The low voltage winding is probably 240 centertapped, or a pair of 120V
windings that can either be arranged in series (240V -at- 31.25 A) or parallel
(120V -at- 62.5 A).
Were there any markings for the secondary voltage?
Or, the transformer could just be a 120 <> 240V transformer
or, the transformer could be an isolation transformer 120/240 on one side
and 120/240 on the other.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Wednesday, April 04, 2001 10:49 PM
Subject: Need help identifying a transformer
> Original poster: "Kent Vander Velden by way of Terry Fritz
> While visiting the local university surplus warehouse today, I stumbled
> across a transformer that I could use some help identifying. The input
> is marked as "120/240" and the output is 7.5kva. Now, I feel a bit
> ignorant asking this, but what is the voltage and current rating then?
> The brute was quite heavy, but appeared to be entombed in that nasty
> emulsion stuff. Only $25 though I do not want to lug it home unless I
> know what the thing is.
> Kent Vander Velden