Answer / k.prakashchandra

To reduce the earth fault current in the secondary and for
primary it is of no use .

Answer / k.prakashchandra

NGR connected on primary does not limit the earth fault
current .

Answer / albert kl

NGR USEING FOR MEASURING & PROTECTION FOR TRSNFORMER
(PROTECTION RELAY NEED TIME DELAY FOR SENCEING GROUND
FAULT THATS WAY NGR USEING

draw tube light circuit

0 Answers   Badve, KPTL,

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electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

2 Answers   HCL,

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What happened when we give 2 phase supply to a 1 phase equimpent. It's effect on equipment's efficiency and life?

5 Answers  

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in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1 Answers  

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WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?

2 Answers  

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what is the load amp for 1 HP 3 phase Motor ?

15 Answers  

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why occ characteristics of generator is also called as magnatization characteristics ?

1 Answers  

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what will be the effect if we increase the excitation of a alternator??

3 Answers  

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How we calculate the size of ht cable for any transformer

1 Answers   WalMart,

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why battery set is required for D.G.set?

7 Answers  

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What is RMU, and what it's function?

2 Answers  

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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