why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.1 2869
why we are maintain phase to phase clearence4 4283
why generation of electricity in low value voltage3 3489
megger how much voltage will produce ?4 6478
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.1300
what is creepage distance2 7853
what is the working principle of energy saver control panel. please give the complete calculation & theory.1356
For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?3 6883
Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why?
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes
What happen in ups if phase reverse?
what is servo motor and how to work it.
there are cam operated switches - why we call cam operated , What is cam ?
solar inverters was not connected to the nuteral link .this nutwral possible to any other systems
What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1
how to check ac servo motor
how we calculate the withstansing current capacity of wires&cables?
What happens when two positively charged material is placed together?
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?
what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value
Define rise time.
What are the advantage of free wheeling diode in a full wave rectifier?