Answer / arun

4 Nos.2 for Neutral and 2 for Body.Providing 1 pit each for
neutral as well as body will also do but if you are running
the DG continuosly , it will be difficult for you to
measure pit resistance which is a activity to be done once
in 2 years as per IE Rule 1956.

which motor is used in high mast ( street light) & give the hight of tower .

2 Answers   Construction, Honda,

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Actually why the transformers ate rated in KVA.?

2 Answers   Torrent Pharma, XYZ,

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what are the protection for DG set and why?

2 Answers  

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why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 Answers   INEL, Siemens,

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What is the rating of HT SUBSTATION and LT SUBSTATION?

11 Answers   NTPC, Sail,

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What is neutral and how to produced

1 Answers   L&T,

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

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How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)

3 Answers  

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what is derating?, why it is neccesary, it is same for all means for drives, motors,and cables.

1 Answers  

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what is differents between static stablizer and servo stablizer

3 Answers  

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If we are importing real power & exporting reactive power then what will be the effect on our system

3 Answers  

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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