what is different the DOL Starter and Star Delta STARTER

Answer Posted / shankar rao

DOL is Direct on line starter, it is used upto 50 H.P Motors
Star delta starter is Starting time Motor Phases are in Star
and Running time it is convert to Delta scheme.( Because
High H.P Motors are Starting time we are appling Low voltage
by using Star system, and it is increase the Torque.)

Is This Answer Correct ?    161 Yes 92 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is active power & reactive power?

1714


What are the advantages of nichols chart?

843


please send previous exams question papers

1389


i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

1552


Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

2317






What is the difference between Static and servo controlled voltage stablizer?

1641


Please explain, how to test vector group of tranformer(Delta y1) . Thank

1217


how does high earth to neutral voltage affect electronic equipment?

936


Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1446


Explain what cmos is and its benefits?

647


A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE

2071


What is the equivalent circuit of a transformer and its vector diagram?

2168


A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1520


How to calculate Ith (I thermal) for curent transformer

1567


If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

935