Interested to Buy Any Domain ? << Click Here >> for more details...
What is the d/f between DOL & star delta starter & automatic
star delta starter?
- 23 Answers
- 164371 Views
- ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro, I also Faced
- E-Mail Answers
Answer Posted / rajendra mallick
In a DOL starter motor terminals is directly connected to
starter such that initially a very high starting current is
feed to drive the motor.Dol starter is used for small
motors below 5hp because of high starting current may
damage motor winding. Dol starter using for large motor
using star delta connection,first motor run on star
connection mode upto 80% which provide low starting current
and low torque initally and after getting maximum torgue
motor operates on delta mode with high torgue.
| Is This Answer Correct ? | 25 Yes | 6 No |
Post New Answer View All Answers
EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
why do we use 25kv supply for traction purpose?
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor
in shunt clippers why a resistor is used in sereis with the input
what is the difference b/w UHVDC and HVDC(LIGHT)?
What is the dependency of stiffness on load angle??
what is meant by twilight switches 7 where its applicable ?
If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.
WHAT IS counter flux IN CT?
what is the write prosidure of stringing of 8meter pcc pole.
Define noise?
what is conductor constant of raccun conductor
what type questions asked in hp cl
what is rating boiler
