Answer / asit

Earthing material are such material which material
resistance value is very less and current pass through it
easily.

Example - GI FLAT , GI PIPE

how the earthing point or earthing is taken for ships and airplanes?

1 Answers  

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how much air gap in induction motor as per the Indian standards?

1 Answers   Coast Guard,

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What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

0 Answers   Shasun Chemicals,

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Which level of the Transformer oil got dielectric strengh? And why?

0 Answers   HSL,

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xfhnchncv?

0 Answers  

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What is meant by term Back to back in HVDC transmission?

1 Answers   SSC,

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what are carbondioxide and dcp used in fire extinguishers

0 Answers  

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What is the role of ESP(Electro Static Precipitator)in steam power plants? Where it is located? How it works?

1 Answers  

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This is about the recent problem that we have faced in our project site. We have 6/7.5 MVA. 66/11kV three phase star - star power transformer. The neutral was solidly connected to the earthing mat. But because of high resistance of earthing mat (130 ohm on LV and 180 ohm on HV), one day LV side neutral earthing conductor melted and we had a huge damage. Can any one plz tell me what might happen when we connect power transformer neutral to the earthing mat which has high resistance (>100 ohm ) ?????

2 Answers  

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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what are the limitations to use 33kv ac in industries?

0 Answers  

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why we changed the polarity of DC generator ?

1 Answers   DMRC, Microsoft,

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