Electrical Engineering Interview Questions

Questions
Answers
Views
Company
eMail

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 ?

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What happen if 200 KVAR capacitor connected to power continuesly?

two way ckt diagram can be drawn by how many ways? give diagram

why the NGR (neutral grounding resistor) always OFF during DG off?

dg earth connect only in the amf panel or not why

what the Microsoft .NET framework is?

WHY RATING OF VCB NOT LESS THAN 630A

how to calculate earth fault relay current and CBCT ratio

. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

Q: How to calculate Transformer losses , tell us by Formula.

how many single tension hardware are required on a double circuit transmission tower?

How it can worked plc based electrical system And which type of software using.

We have two parts in generator, electrical & mechanical. how it works?

Earth leakage relay basic knowledge principle

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?