Answer / narayanan

protect to the transformer,
human safety
short circuit for protect the transformer
eb line neutral earthing is not work to support neutral
earth
constant voltage

Answer / balachandra

Neutral grounding and its advantages. ... Neutral grounding provides protection to personal and equipment. It is because during earth fault, the current path is completed through the earthed neutral and the protective devices (e.g. a fuse etc.) operate to isolate the faulty conductor from the rest of the system.

Answer / sonu

to protect transeformer from over voltage during unsymmetrical fault
adv> keep voltage constant of healthy phases

sir plz send some previous year questions of jspl.

0 Answers  

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What is the cut-off rate?

0 Answers  

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How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

0 Answers  

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relation between voltage and frequency.

5 Answers   IIUI, Lucky Cement, Reliance,

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when secondary volts is given how do we find primary volts, turns, amps of primary and secondary given???

1 Answers  

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solar energy light efficiency & disadvantages?

0 Answers  

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What is farmula to calculate Diesel cunsumption as par KVA.

3 Answers   HCL,

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how to can we synchronize different capacity of DG sets.60kva& 250kva?

2 Answers   Power Plant,

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What is the Nyquist criterion regarding control systems?

0 Answers   GE,

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Why we use mho Relay in long transmission line?

0 Answers  

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Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?

2 Answers   KSEB,

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Is it possible to connect a safety device in to parallel?

0 Answers   Jones Lang LaSalle,

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