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Comments on Phase shift between phase and line quantities

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Phase shift between phase and line quantities [closed]

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Closed as unclear by Olin Lathrop‭ on Dec 19, 2021 at 17:50

This question cannot be answered in its current form, because critical information is missing.

This question was closed; new answers can no longer be added. Users with the reopen privilege may vote to reopen this question if it has been improved or closed incorrectly.

In a 3 phase Star source-Star load circuit the phase voltage has different phase than line voltage and in a 3 phase Delta source-Delta load circuit the phase current has different phase than the line current.Why?

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2 comment threads

What "line"? (1 comment)
What's "Y-Y" and "D-D"? (3 comments)
What's "Y-Y" and "D-D"?
Olin Lathrop‭ wrote almost 3 years ago

Define your terms. The 3-phase systems I've seen are all either Y or Delta. I've never encountered anything called "Y-Y" or "D-D". Explain what those are.

MissMulan‭ wrote almost 3 years ago

Star-Star and Delta-Delta topologies

Olin Lathrop‭ wrote almost 3 years ago

But what do those mean? What's Y-Y (or star-star) as opposed to just Y, for example. Also, clarifications need to be in the question, not buried in a comment.