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3 phase using 2 transformator

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r2d2droids

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can someone explain me how to generate 3 phase using 2 transformator with a single AC input?
:?:

:cry:
 

IanP

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Below is an example on how to convert single phase supply to 3-phase configuration using idler motor ..
I have doubts whether you can do something similar with 2 transformers ..

Regards,
IanP
 

Kral

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r2d2droids,
You can convert 2-phase to 3-phase, or vice-versa, using a Scott transformer. See page 85 of the link below:
. www.pentlandsys.com/download/synchro/ch4.pdf
Of course, you must first generate the 2 phase voltage. Phase A must be 90 degress with respect to phase B of the 2 phase voltages. Depending on the power you need, this may or may not be practical.
Regards,
Kral
 

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