why delta delta connection generally not use in transformer

Question Posted / prakashsoni.lanco

4 Answers
9798 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 power ratio between power in Star and Delta circuit?

3 Answers

Disadvantage of leading power factor

3 Answers

1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

0 Answers Visa,

what are the types of towers in HT transmission

2 Answers

if the rotor of induction motor is purely inductive then what is the electromagnatic torque.........

1 Answers

a distribution transformer(3 phase)supplying 440volt per phase.now suppose one of phase voltage(230volt) becomes zero.what will be the cause ?

3 Answers

how tan-delta test is performed?

1 Answers GE, VDL,

why we r using alternator instead of d.c generator and induction generator

1 Answers

for 12KW motor which cable size has to select for ex.10 meter.

4 Answers

why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers

What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers

Hi friends I am a service engineer in electrical field i plan to shift design engineer in same field, so i request your suggestion for what software or course i want to learn ?

5 Answers

For more Electrical Engineering Interview Questions Click Here