Multisim and Ultiboard

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Simulation error for Transformer (3P3S)

hi.. i am trying to make a simple 3-phase rectifier circuit. the problem is that my simulation is giving an error when ever i run it. i have observed that when i change the transformer, this error also removes. but changing the transformer isn't possible for the circuit. 

image and simulation is attached.

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I'm not sure exactly what you are trying to do, but the ideal transformer settings and lower reverse breakdown voltage on the diodes was causing the problem.

 

Changing the transformer setting from no resistance to symmetric fixed the convergence error.

image.png

 

 

You are using the wrong diode,  it had a reverse breakdown voltage of 53 volts.  Adjust the diode settings The picture below will manually adjust the reverse breakdown voltage to 200V.image.png

 

After those two fixes, this is what it looked like

 

image.pngI attached my modified file for your reference.

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