[Amps] HV transformer and Variac

[Ros]

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 at hiwaay.net wrote:
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> Output VA + core loss + I2R wire loss = Input VA.
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> Nothing magic going on here.
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> Don W4DNR
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> Quoting Ron Youvan <ka4inm at gmail.com>:
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>>   On 07/24/2015 12:12 AM, Ros wrote:
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>>> 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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