Questions tagged [delta]

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7
votes
3answers
50k views

Why does a delta/wye transformer make 30 degrees phase shift ?

I'v heard that a delta/delta or Wye/Wye transformers do not make any phase shift. In delta/wye or wye/delta transformers, There is a 30 degrees phase shift between the primary and secondary coils. So, ...
4
votes
1answer
1k views

What are the Pros/Cons on the 30 Degree voltage phase shift between the primary and secondary of a Delta-Wye Transformer

I have searched this wonderfully informative website and learned much about Delta-Wye connections and why a phase shift in voltage would exist between the two. I am also aware that both Delta-Delta ...
1
vote
1answer
700 views

6 phase forked star transformer

I have a problem i'm trying to get to the bottom of. I am basically trying to find the secondary line voltages of a three phase delta primary, with a six phase forked star connected secondary ...
2
votes
1answer
959 views

3 phase motor running on single phase using steinmetz delta connection

How do 3 phase motors manage to run on single phase power using the Steinmetz delta connection with a single capacitor? I thought capacitors only shift the phase angle upto 90 degrees, whereas 120 ...
1
vote
2answers
2k views

3 Phase Delta with Ground Reference?

When I was at work the other day, one of the techs showed me a delta connected power supply in which the phase to phase voltages measured 120Vrms. What didn't make sense to me was when he measured the ...