Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...


. 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

why we used to transmitt the power at higher voltage why not at lower voltage

8 Answers  


I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

0 Answers  


Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

0 Answers   BARC, Fedco, Qasco,


Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  


can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers  






what is mean by parallel operation of permanent magnet generators

0 Answers   PSD,


Can any body explain the operation system of MVWS(May be related to water and fire hydraunt system)?

2 Answers   TATA,


Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 Answers  


i wasted one year for the job after completed my btech what can i say about 1year time in interview

0 Answers   Infotech,


Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

0 Answers  


What is the difference between generator and turbo-generator

5 Answers   iGate,


what are inductive and capacitive voltage transformers.what are their applications

0 Answers  






Categories
  • Civil Engineering Interview Questions Civil Engineering (5074)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4444)
  • Electrical Engineering Interview Questions Electrical Engineering (16594)
  • Electronics Communications Interview Questions Electronics Communications (3915)
  • Chemical Engineering Interview Questions Chemical Engineering (1092)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (214)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (258)
  • Instrumentation Interview Questions Instrumentation (2986)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (123)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (0)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1377)