why delta delta connection generally not use in transformer

Question Posted / prakashsoni.lanco

4 Answers
8070 Views
Lanco, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

why delta delta connection generally not use in transformer..

Answer / nitin bhoraokar , power plant

In delta - delta type winding connections,protection against
earth fault is difficult as zero sequence current will get
circulating in windings itself & will not flow to ground.
Hence transformer isolation on earth fault is
hectic.Stability against E/F will get lost.

Is This Answer Correct ?

6 Yes

1 No

why delta delta connection generally not use in transformer..

Answer / abc

Generally Transformer at generating station and at load
centres can not be used in delta-delta fashion due to non
availability of neutral point.
But if load is delta connected or in case of transmission
lines at both side then delta delta fashion can be used.

Is This Answer Correct ?

5 Yes

1 No

why delta delta connection generally not use in transformer..

Answer / subaharan

delta-delta transformers are using in high power required areas.power transmitting areas transformers,transformers parallel connection areas these type of transformers are used.

Is This Answer Correct ?

0 Yes

0 No

why delta delta connection generally not use in transformer..

Answer / suhail a.

Because generally in transformers we need to get a neutral
point form the star that is what we r not using the delta to
delta.

Is This Answer Correct ?

2 Yes

3 No

Post New Answer

More Electrical Engineering Interview Questions

what is the difference between watts and volts?

2 Answers

what is open star connection or open delta.

1 Answers ACC, Jindal,

what is XLPE cable?

2 Answers Essar,

What is the formula to calculate distribution transformer De-rating on iron losses basis

0 Answers IESCO,

What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

0 Answers

Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 Answers

What is the minimum value required for Neutral to Earth in UPS Panels

3 Answers

Define what is power quality meter ?

0 Answers

sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.

0 Answers

I want to know the currect formula for industrial lighting lux caluculation & light fittings selection

2 Answers MRF,

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers

i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 Answers

For more Electrical Engineering Interview Questions Click Here