What should be the earthing resistance of an industrial
substation and also What should be the house hold earthing
resistance?
Answer Posted / ngundam
For house hold maximun value of earthing can be 2
ohms.But for a substation it should be less than 1 ohms.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
Draw a SLD of HT distribution EB grid up to users Transformer?
What is a slack bus?
is there any role of power factor with frequency variation? and how we can manage the frequency variation?
What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP
what is Fault level? why it is calculated? how will u decide same for our plant?
what is (+) and (-) in generator field detector stand for?
What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?
can we do the star delta connection of capacitor for 3- phase motor starter.
What is center gravity load in substation?
mention hazard experienced during installation
why is the conservator tank painted white on the transformer
why we use condenser in the thermal power plant, althrough the same vapour will be again heated
What are chief characteristics of state-space method and its techniques ?
USE OF 8 WAY PAN ASSEMBLY
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?