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I'm talking about one which shows the exact configuration of the transformer circuits that feed homes from the main lines. For instance: I'm trying to see if the lines that run between 2 transformers are electrically isolated from each other.

2006-07-27 17:10:37 · 2 answers · asked by no_nonsense 3 in Science & Mathematics Engineering

I'm talking about one which shows the exact configuration of the transformer circuits that feed homes from the main lines. For instance: I'm trying to see if the lines that run between 2 transformers are electrically isolated from each other.

MORE INFO: In my area transformers are about 6 houses apart. The lines, to which the output wires of the transformers connect, run continuosly. I don't see why they dont stop at a power pole just before the next transformer.

2006-07-27 17:42:46 · update #1

2 answers

Are you talking about a ONE-LINE diagram?

I am not clear what you are asking, however, Primary power lines to transformers are usually not isolated from each other.
However, secondary lines are usually / but not always isolated from each other. When not isolated the circuits will usually have automatic circuit breakers and prtective devices to isolate the circuits and prevent enegizing the transformers from the low side.

each situation is unique, you need to have a specific power system design to meet each unique need.

If this is only for educational purposes, typical utility to customer
one lines are avilable in "basic protective relay" books.

Yours: Grumpy

2006-07-27 17:27:55 · answer #1 · answered by Grumpy 6 · 1 0

I don't know if you'll find a circuit that will show what your after, but the primary and secondary sides of a transformer are electrically isolated from one another.

2006-07-27 17:20:30 · answer #2 · answered by Joshua G 2 · 0 0

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