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Transformers simulation

T.Rodrigo

Dec 21, 2023
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Dec 21, 2023
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Hey
How can I simulate multiple winding transformer?
I want to simulate something like transformer with 2 windings or more at the primary and 2 windings or more at the secondary. (something like the picture)
which program or tool supports this type of transformer in simulation
Thank you very much
 

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kellys_eye

Jun 25, 2010
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Anything wrong with just paralleling the inputs and using the outputs accordingly?
 

Harald Kapp

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Nov 17, 2011
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For a single primary this is easy in LTSPICE (description here):
1703265714079.png


How it's done with multiple primaries is described in detail here.
Why do you need to simulate 2 primaries? Although it can be done, in many if not most cases a transformer's 2 primaries are either paralleled or in series and can thus be described as a single primary winding. This saves compouting time duricng the simulation.
 

roughshawd

Jul 13, 2020
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Lost here. In a 110ac to 12vds transformer, which in the primary?
 

danadak

Feb 19, 2021
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The transformer is 110 Vac to 12 Vac, and typically then rectified
and regulated to 12 Vdc.

But it can be used in reverse, 12 Vac to 110 Vac, rectified and regulated
to 110 Vdc.....

So primary is typically energy or signal source, secondary load side.


Regards, Dana.
 
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