Interested to Buy Any Domain ? << Click Here >> for more details...
We have 800KW motor operating at 6600Volt,50 Hz
supply.During 1st startup it tripped on overcurrent
trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad
was set on .94 initially.then we set at 0.97 and then it
started fine.i dont understand why it tripped first?What
are the protections which comes in picture during starting ?
- 6 Answers
- 10001 Views
- I also Faced
- E-Mail Answers
Answer Posted / kiran patil
You have increased thermal overload settings to .97 I think
because of load motor gets hot early and after incresing
the themal rating it will sustain.
| Is This Answer Correct ? | 5 Yes | 5 No |
Post New Answer View All Answers
Why do we perform an open-circuit test and short-circuit test on the transformer?
At what factor resistance r of a conductor depends?
What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks
what are the preventive maintanance actions taken for air circuit breaker? please answer me
What types of high speed CMOS circuits have you designed?
What is meant by bus bar protection?
How is the connection of the tap changer on the HV side been made?
DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
briefly explain principle of resistance welding
What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)
My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?
How to calculate the size of earth cable to earth the neutral of UPS ?
If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.
What is size 00, 01, 1 etc., in HRC fuse types?
