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Anonymous Poster #1

Engineer

07/18/2014 12:49 AM

the impedance of autotransformer varies when tap changes but what is the condition or type of the transformer in which the impedance remains unchanged while changing tappings of the transformer
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redfred
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#1

Re: Engineer

07/18/2014 7:41 AM

Theoretical

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#2

Re:Student

07/18/2014 9:36 AM

Ideal.
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JRaef
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#3

Re: Engineer

07/18/2014 10:21 AM

Ideal. Which is, coincidentally, theoretical!

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LongintheTooth
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#4

Re: Engineer

07/18/2014 11:09 AM

Imaginary - Theoretical -Ideal -

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redfred
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#5
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Re: Engineer

07/18/2014 11:11 AM

No the imaginary part is pure reactance.

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#6

Re: Engineer

07/20/2014 3:48 PM

Impractical in a transformer, but possible I believe electronically using an op amp configuration (but at limited voltage and current).

What's the application exactly?

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ShawnHoppe
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#7

Re: Engineer

07/25/2014 6:37 AM

Transformers are bi-directional and it works independently without knowing where the input is connected, an ideal transformer impoese no load on the supply, Ideal Transformer remains its impedence unchanged while changing tappings of the transformer.
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Anonymous Poster #2
#8

Re: Engineer

08/06/2014 4:47 AM

If you through six eggs in the air, their will be one off them that does not break when landed.....you will find the solution inside that one
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