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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

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