why delta delta connection generally not use in transformer
Answers were Sorted based on User's Feedback
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|
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|
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|
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
|Is This Answer Correct ?||2 Yes||3 No|
How generating electric power export to grid from the generating station ?
why current transformer secondary side should be shorted ?
I need bhel electrical test pattern & paper
control & auxilary circuits used for circuir breakers
what are earthing material
In case of 3 phase motor why it is called single phasing by failure of one phare unless there is rest two phase are acting. ?
can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.
How can we calculate earth mat conductor size ..? & give the formula to determine earth conductor size?
give me battery AH calculation in U P S
How many watts required for single phase power supply?
Write the force balance equation of ideal dashpot element.
why buchholz relay is kept on inclined position and why it is cover??