What is P.F? Formula for calculating PF in HT side?1 5641
Which level of the Transformer oil got dielectric strengh? And why?
formula for cable size calculation for current?10 34733
sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....835
please send me RRB electrical engineer previous year questions for Sr. Section Engineer
Why we use mho Relay in long transmission line?
what is meant by residual over voltage & residual earth fault ?
explain working principle of earth leakage relay
how to calculate the loss tangent of electrical cables
1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?
Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.
What is meant by load angle of an alternator? Upon what factors does the load angle depend?
how can i change the rotation of the AC single phase induction motor and show me by diagram
What is 11 N1 and 12 N2 in single phase Transformer ?
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.