how can we chack a capacitor in acircuit2 2948
how can we chacke adiod in a circuit2 2308
what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????1 3677
what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?1019
difference between ac and dc generators4 5347
name 3 measuring instrument used in transformers4 3668
I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)9 6593
what is the disadvantage if earth is connected to neutral6 6661
If we connect the capacitor banks for DG set for maintainig the power factor, it will effect to alternator windings??????????7 6515
How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.10 18751
In case of 11kV dual delta bank what are the recommended protections with specific CT / VT requirements? The capacitor bank is to be connected to the main 11kV switchgear from where the H.V.Motors and auxiliary 440V loads.1 1273
whatis the difference between electrical and electronics?11 8190
Hai I have 2500KVA,Transformer,13.8KV/380.DELTA/STAR.How much load that I can take interms of current?How can I calculate also when I have loads in KW?
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
WHAT IS THE PARTIAL DISCHARGE TEST?
what is difference between 5A and 100A CT constructional wise and operation?
What is meant by vector group
What is the formula to calculate the rating of power cable for three phase current.
how to calculate mf when meter and cTPT detail are given
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
one electromagnet is called
The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?
IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM
why three phase capacitor takes unbalanced current in capacitor bank?
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm
what is doid
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
how to select energy meter? have any calculation?