where we use stardelta starter and dol starter

Answer Posted / simon peter

Star delta r used in more than 3hp ,3phase squrrel cage induction motor & DOL 3 to 5 hp single squrrel cage motor.....

Is This Answer Correct ?    1 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1220


can any one tell in easy method for circulating current ??

1653


what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1499


During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2040


In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1452






what is the effect of power factor of machines in starting current

1530


what is the difference b/w absolute encoder and incremental encoder?

1535


why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

1630


Which is the largest hydropower station in the world?

625


sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.

2491


Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

2242


What are the types of control system?

639


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1203


does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1412


it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

1746