Why HT motors are connected in star.

Answer Posted / giri

Starting current is reduced 1/3 times during star connection
starting since voltage also reduced by the same proportion
.U can remind in star-delta connection starter.

Is This Answer Correct ?    9 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is mean by Sensitive Earth fault & what are the effects

3746


Why we are use dol starter up to 10 hp

943


what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

1644


Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

1892


if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1531






impliment (AB)`+C to transistor representation

1336


Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1329


Post possible questions for Power Factor Panel FAT / SAT

972


If any cable burnt how can we identify it burnt by high current of high voltage? 

2003


I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1201


what are the steps involved in generator load test?

1096


please send me privious exam's queation papers of section engineer(electrical).

1601


What are the commonly used schemes for the bus zone protection?

547


How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

1756


what is upper impedance and lower impedance of a distance relay

1591