Simulating 30V Power Supply with Center Tapped Transformer in PSPICE

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SUMMARY

The discussion centers on simulating a 30V power supply using a center-tapped transformer in PSPICE. The user encountered irregular output signals during simulation, specifically fluctuations in peak voltage. The primary voltage is set at 170V peak at 60Hz. A suggestion was made to improve simulation accuracy by adjusting the step size to X/500 seconds for higher resolution output.

PREREQUISITES
  • Understanding of PSPICE simulation software
  • Knowledge of center-tapped transformer configurations
  • Familiarity with transient analysis techniques
  • Basic concepts of electrical signal behavior
NEXT STEPS
  • Learn how to configure transient analysis in PSPICE
  • Research the k linear function for connecting inductors in simulations
  • Explore methods for optimizing step size in PSPICE simulations
  • Investigate the behavior of transformer output signals under varying loads
USEFUL FOR

Electrical engineering students, simulation software users, and anyone involved in power supply design and analysis will benefit from this discussion.

clphipps
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my professor gave us a 30v power supply using a center tapped transformer and wanted us to simulate it in pspice.

He told us to use the k linear function to connect inductors together.

The problem is that I got it to work, but when I simulate it I get something that I don't know that I am suppose to get.

The primary voltage is house voltage so it is 170vpeak at 60hz. when I look at the signal out of the transformer, it seems irregular. I am not getting a consistent peak. One peak may be higher than another and it seems to fluctuate. I don't know if this is what it suppose to be or not.

Any help would greatly be appreciated.
Thanks.
 
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I presume you are doing a transient analysis?

Try using the step size to get a higher resolution output.

Say your analysis is X seconds. Set your step size to X/500 seconds.

Also, what are you trying to evaluate in your output?
 

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