Thevenin reduction of network for fault analysis trouble.

AI Thread Summary
The discussion revolves around the difficulty of performing Thevenin reduction for a network in fault analysis. The user struggles to understand the steps taken to reduce the network and realizes they neglected to convert from Cartesian to polar form when calculating equivalent impedance. The conversation highlights the importance of recognizing a Δ-Y transformation in the process. Participants provide encouragement and confirm the transformation approach. The user plans to retry the calculations with this new understanding in mind.
Bringitondown
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Homework Statement


Reduction from top network to bottom network in the screen shot. I can not find the steps that have been taken to do this.
Fault impedance = Zfa = Zfb = Zfc = j0.5
upload_2016-11-13_14-25-38.png


Homework Equations

The Attempt at a Solution


in hand written screenshot, sorry for the mess, just to show it has been attempted.
upload_2016-11-13_14-26-44.png
 
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Looks like a Δ-Y transformation to me.
 
I have just realized i have not converted from cart to pol when calculating equivalent impedance.
doh, i think this may have been the problem
 
gneill said:
Looks like a Δ-Y transformation to me.
Yes, thanks will try again with this in mind.
thank you
 
tra
gneill said:
Looks like a Δ-Y transformation to me.
Transformation right enough, thanks for this.
 
Happy to help :smile:
 

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