. What should be the minimum and maximum ohmic value for
earthing?



. What should be the minimum and maximum ohmic value for earthing? ..

Answer / shariff

There is no specific value as such, but usual values are as follows.
1) Generating Stations less than 1 Ohm.
2) 220kV Sub stations up to 1 Ohm.
3) 66kV S/S up to 2 Ohm.
This should be as low as possible.

Is This Answer Correct ?    5 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

I am getting diesel genset 62 kv for my house In addition there are 6 meters of 11kv for the house Lift also being installed for house plot sise 200sq yds total 4 + 2 foloors I want to know how much earthing required how deep it should be

2 Answers  


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

0 Answers  


How to get Electrical Supervisory Licence in chennai Tamil Nadu from TNEB. I am BE EEE graduate.

1 Answers  


why resistive load has unity power factor,inductive load lagging and capacitive load leading power factor?

3 Answers   OEG,


Why shunt Generator is not recommended to start at ON LOAD condition???

3 Answers  






How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  


Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

0 Answers  


what are types of encoder

0 Answers  


what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

1 Answers   Bhel,


ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  


Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,


why contactor not provided between output of VFD and motor?

6 Answers   Siemens,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4452)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)