need to make a report. Need to choose a 3phase induction
motor. Load conditions motor will operate in :
Maximum Load: 30 Kw
Speed: 2950 rpm
Ambient temp: 20 cent
Supply voltage: 440V
Frequency: 50Hz

need to look for the safety factor when choosing the motor,
went through catalouge found a few, but dont know how to
choose the safety factor allowing an extra load something
above 30 KW to avoid any harm.


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Electrical Engineering Interview Questions

where was current transformer protection units used and why??

0 Answers  


Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

0 Answers  


what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

0 Answers  


what is proper capacitor placement? How to evaluate capacitor size?

0 Answers   CPCL,


how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

0 Answers   Omega,






how capacitor pass ac voltage practically?with increase frequency and cpacitance?

1 Answers   DELL,


What is Star Delta Connection, where it is applied & what for it is used

4 Answers   Premium Transmission,


what is meant by reactive power ?

5 Answers  


why after termination of HT cable armoured earth connected one end, why not connect other end.pls tell me correct answer.

3 Answers  


WHATS THE DIFFERENCE IN USING THE 125% AND THE 250% FACTOR OF SAFETY IN CALCULATING CIRCUIT BREAKERS CAPACITY IN MOTOR APPLICATION??

0 Answers  


how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,


what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)