i have 2 motor of same rating. on no load condition one
motor take 1.6A but other motor is taking 4.8A. what is the
reason of this. please explain with proof.

Answers were Sorted based on User's Feedback



i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / b.b. singh

one motor has connected in star then it taking 1.6A &
another is connected in delta so it taking 4.8A.

Is This Answer Correct ?    16 Yes 1 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / sameer gupta

In case of 3 phase motors,
the motor takes higher current might have incorrect winding ratio which may cause unbalancing of 3 phase current.

Is This Answer Correct ?    2 Yes 1 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / virendra

Friend, if it is 3 ph then pls check the all 3ph are ok. If motor facing single phasing then this might happen

Is This Answer Correct ?    5 Yes 5 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / s

1.6A = 3 ph motor, 4.8A = 1 ph motor

Is This Answer Correct ?    2 Yes 3 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / ashok sharma

OK. It is right that in star motor taking 1.6A & in delta
motor is taking 4.8A. but Please prove this with example.
Suppose both motors are new .

Is This Answer Correct ?    0 Yes 2 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / sivakumar

FIST U WILL CHEK THE HP RATHIG THEN NEXT CHEKED AMPS

Is This Answer Correct ?    0 Yes 2 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / loboreliance2003

The motor drawing 1.6A on no load appears to be okay.The
motor drawing 4.8A on no load appears to have a fault. the
winding may be having not proper megger value. Or even
rewinding of this motor may have been done improperly. You
will not find this condition in new motors from original
manufacturer.

Is This Answer Correct ?    2 Yes 5 No

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking ..

Answer / sakthivel

first you are check the bearing and terminal board and all
so check starter conduct knob and verify the electrical
parameter and all check pump and so impellerside

Is This Answer Correct ?    0 Yes 3 No

Post New Answer

More Electrical Engineering Interview Questions

Which motor connection is preferable star-delta or delta-star?

0 Answers   IOCL,


what is XLPE cable?

2 Answers   Essar,


In a circuit a capacitor (paper capacitor ) was burned due to over voltage in this case can we replace that type cappacitor with other tye capacitor ?

1 Answers  


please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

0 Answers   Jindal,


Why we does earthing for transformer neutral point

5 Answers   amps, DLF,






Why efficiency in thermal power plant is low?

0 Answers  


Can we parallel two grid with different incoming voltage. Ex.let say one grid is 132kv and another is 220kv.

2 Answers  


What is the Gap Should maintain for HT cables crossing of LT Cable?

2 Answers  


what is conductor copnstant of ab cable

0 Answers  


what type of motor is used in washing machine

8 Answers  


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

0 Answers  


what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

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)