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Re: [Amps] HV transformer and Variac

To: amps@contesting.com
Subject: Re: [Amps] HV transformer and Variac
From: Ros <ros@netbox.com>
Date: Fri, 24 Jul 2015 21:44:53 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Have it your way, Don. My ego doesn't require me to go further - your mind is made up.

Ros


On 7/24/2015 9:41 AM, donroden@hiwaay.net wrote:

Output VA + core loss + I2R wire loss = Input VA.

Nothing magic going on here.

Don W4DNR








Quoting Ron Youvan <ka4inm@gmail.com>:

  On 07/24/2015 12:12 AM, Ros wrote:

Semantic, Gary.  My e.e. school said it is not a transformer in the
classic sense -"trans" as in transforming one voltage/current ratio into
another with the added benefit of isolation which the autoformer does
not provide.  The losses go up simply due to the fact that there is a
greater potential difference.

  This sounds a lot like you are saying an autotransformer does not act
like a standard transformer with respect to the voltage/current ratio.
  This sounds a lot like you are saying a five Ampere autotransformer
adjusted for an output of five Volts at five Amperes of will draw five
Amperes (or even as much a one Ampere) at 120 Volts from the "mains."
I know that this is not true.
--
  Ron  KA4INM - Youvan's corollary:
                Every action results in unwanted side effects.
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