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what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????
1 5559what 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?
2296I 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 12818If we connect the capacitor banks for DG set for maintainig the power factor, it will effect to alternator windings??????????
7 12038How 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 27052In 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 3019Hai 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?
L&T,
10 17888Post New Electrical Engineering Questions
What will happen if i replace a inductive proximity switch with photo sensor in a machine?
why cable i burning without tripping. how can protect led street lights
how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.
WHAT IS IM (INDEX OF MOUNTING )IN MOTORS
r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā
although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?
The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input
What is dc current source?
we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)
What Should be the value of Vector Surge angle at Tripping and how to calculate it?
how tto ingress mw in turbine explain.procedure ?
define superposition theorem thevnin theorem ,norton theorom?
hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?
What is d main advantage of using double circuit 3 phase transmission ?
In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
