75kw drive operated motor current fluctuation from(85-130)ampere.current setti

75kw drive operated motor current fluctuation
from(85-130)ampere.current setting in drive
is 130amp.sometimes motor trip when current
limit cross 130amps.I change the drive. still
current fluctuate between 80-130amps but in
this time motor not trip,current setting in
drive is 130amps.where is the problem?

Question Posted / prit_rb

1 Answers
3896 Views
I also Faced
E-Mail Answers

75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130..

Answer / mohit punjabi

the motor will not trip because as the user has change an old drive which was of 75 kw with new one so he has to set a parameter in new drive that when fluctated above 130 amps the drive should trip the motor without these parameter setting the new drive will not trip

Is This Answer Correct ?

3 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

HI,how to know that the MEGGER which i am using is working properly,reply....thankyou

2 Answers NTPC,

i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

0 Answers

what are the main parts of DG? explian thier functions?

8 Answers Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

how to determine motor size for a fan application?

0 Answers EDC,

why we use bare wire in high tension power instead of using insulated wire?

2 Answers

How to select earthing strip for 100kw induction motor ?

2 Answers

why we used.c source in the field of the alternator , why not a.c source.

1 Answers

what are adantages of OC and SC test over the load test?