what is the difference between star and delta connection ?
when we use each one ?what is the best ?

Answer Posted / rahul

In star connection neutarl is already provided, so when we need neutral, we shold use star connection.

delta connection is used to reduce the effect of circulating current in the circuit.

Is This Answer Correct ?    14 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain advantages of storage batteries

657


I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1423


Is there any guideline say about display of earthing value near to earth pit

718


which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

1715


XYZ

1695






Leakage current,un balance current which relay using for high voltage transmission?

1657


Any one can explaination about calibration with rotating sub standards?

1551


what will happen if synchronous machine rotor fed from single phase ac supply 

1309


in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1854


Why we find the sensitivity for the CT's to check?

1427


please send previous exams question papers

1410


armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

1645


why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

1850


1.4 What is meant by CT knee point voltage and how would you determine it

1170


What is the basis for framing the rules of block diagram reduction technique?

981