[Amps] Plate transformer current unknown
Karl-Arne Markström
sm0aom at telia.com
Fri Apr 29 12:31:22 EDT 2005
As a rough estimate and starting point you can use the weight of the transformer.
A 1 kVA CCS rated transformer weighs about 45 lbs or 20 kg,
and it will most certainly hold up for 2 kVA ICAS.
In your case this would correspond to about 3 kV 300 mA CCS after a choke-input filter.
In the 50's and 60's editions of the W6SAI Radio Handbooks there are
discussions of how to rate a plate transformer using weight as a parameter,
73/
Karl-Arne
SM0AOM
----- Original Message -----
From: "Angelo Karabetsos" <ve3yn at hotmail.com>
To: <amps at contesting.com>
Sent: Friday, April 29, 2005 5:01 PM
Subject: [Amps] Plate transformer current unknown
> I would like to find out the current rating of a transformer. Primary
> voltage taps 0v-110v-115v-208v-230v and secondary taps 3450v-0v-3450v and
> secondary resistance of 53.5ohms from 0v to 3450v tap and 107ohms from 3450v
> to 3450v tap. All measurements done with a simple DMM. The commercial
> amplifier it came out of has a plate current meter with a max reading of
> 600ma. How could I find out the CCS or ICAS rating?
> Cheers Angelo
>
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