Unbalanced 3-phase Y connection, help

The Electrician

Joined Oct 9, 2007
2,751
How to solve that delta and delta 1 and delta 2?? i don't know how you get that


Moderation:

Link to old Thread.
https://forum.allaboutcircuits.com/threads/unbalanced-3-phase-y-connection.57823/#post-387236
Jon, you may notice that the subject of the older thread is "Unbalanced 3 phase Y connection", yet the circuit shown in post #1 is balanced.

In post #7 of that thread, the TS is solving a different circuit; he's solving an unbalanced circuit. It appears that he's solving this circuit:

tRZYM.png
Does that make more sense out of the work shown in post #7?
 

MrAl

Joined Jun 17, 2014
6,817
How to solve that delta and delta 1 and delta 2?? i don't know how you get that


Moderation:

Link to old Thread.
https://forum.allaboutcircuits.com/threads/unbalanced-3-phase-y-connection.57823/#post-387236

Hello,

You dont seem to be showing what you really want to calculate, what circuit exactly. Is it delta to wye as in the link above?

I recommend converting all sources to complex form and going from there with nodal analysis. You can then calculate anything you want to calculate like line currents and line to neutral voltages, and with balanced or unbalanced loads of just about any combination of linear types (resistors, capacitors, inductors).
 
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