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when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?
2 4615Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?
3 13468what type of protection and safety req. in the 220kv substaion and area around the substation
2 9745What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?
1892I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.
1998We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?
4 9495Post New Electrical Engineering Questions
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.
How are load losses and no-load losses measured at site in a DG set?
why steady state stability limit is greater than transient stability limit ? How it can be explained ?
how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable
Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv
size of condotory fron voltage level
why can the rotor of 3 phase slip ring induction motor not be a 2 phase rotor?
Why an ac systems are preferred over dc systems?
Differentiate between ideal and non-ideal voltage sources?
Can we use Ccapacitive voltage transformer directly for metering purpose?
I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
State the formula for overall efficiency of thermal power station
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
