What is the d/f between DOL & star delta starter & automatic
star delta starter?

Answer Posted / jagdish

to woh much hp motor we will use stare delta

Is This Answer Correct ?    24 Yes 68 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the use of Auto re-closer?

1654


HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1438


Which level of the Transformer oil got dielectric strengh? And why?

1755


how many safety really of DG sets.

1732


what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

1176






In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

1610


what is ratio of copper wire size and current ?

1374


When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2443


Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

1687


What will happen if a dc source is given to a tubelight. Will it work or wont it work....

1498


How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

1409


I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

1707


How to measure the earth resistance value in a concrete pavement(flood light area)?

1730


explain different losses in a transformer.

661


how can i change the rotation of the AC single phase induction motor and show me by diagram

1321