transformer wrong connection

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saba

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islamabad
Hi,
i want to know that
1. if Delta - WHY connected transformer connect in WHY - Delta then what happens.
2. if 15kv/ 220kv t/f Delta - WHY ,Primary side any phase get ground fault then what will be the voltage to other phases
3. if 15kv/ 220kv t/f Delta - WHY , secondary side neutral open then what happened ??


thanks...!:)
 
WYE is the correct English spelling of transformer connections, why is a question.

1. you lose the harmonic reduction advantages of delta-wye.

2,3 depends on the load and transformer core configurations.
 
Hi,
i want to know that
1. if Delta - WHY connected transformer connect in WHY - Delta then what happens.
2. if 15kv/ 220kv t/f Delta - WHY ,Primary side any phase get ground fault then what will be the voltage to other phases
3. if 15kv/ 220kv t/f Delta - WHY , secondary side neutral open then what happened ??


thanks...!:)

1. The voltage ratio would change by a factor of 3.
3. Depends on if there are line to neutral loads and also if the wye point is grounded. Would need to know those things to answer the question
 
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