Transformers

Question 1

Does wye have a neutral?

Answer 1

yes!

Question 2

Does delta have a neutral

Answer 2

no

Question 3

How does line voltage compare to phase voltage on a wye transformer?

Answer 3

V line = V phase x square root 3

Question 4

How does line current compare to phase current on a wye transformer?

Answer 4

line current and phase current are equal on a wye transformers

Question 5

V line ____ V phase by 30 degrees on a wye transformer

Answer 5

leads
(not sure what this means)

Question 6

What part is the phase on wye?

Answer 6

the bump legs connecting the nodes

Question 7

What part is the line on wye?

Answer 7

the outer nodes

Question 8

How does line voltage compare to phase voltage on a delta transformer?

Answer 8

equal

Question 9

How does line current compare to phase current on a delta transformer?

Answer 9

I line = I phase x square root 3

Question 10

I line _____ I phase by 30 degrees

Answer 10

lags

Question 11

For which transformer type (wye or delta) does the load need to be balanced for formulas to be true?

Answer 11

delta