in star delta starter current is 1/3times the delta value
how?

Answer Posted / parag bijlani

In star-delta starter, motor starts in star, and after a
time delay ,it switches to delta connections. The star
current is 1/1.732 (square root of 3).

Is This Answer Correct ?    9 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1322


I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

1314


Why squirrel cage motor can only use with low starting loads ?

1555


sir i want previous entrance exam papers for written test

1690


Pl.brief me any electrical major fault you have rectified.

1486






why HT armoured cable does not glanding

3691


How line capacitance & line inductance varies with increase in height tower.

1861


ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3699


Why we are use dol starter up to 10 hp

939


how does WTI work ?

1522


1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2037


what is the IPC ? & what the uses ?

1009


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1472


why cable i burning without tripping. how can protect led street lights

1020


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1604