how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / rahul patil
EARTH RESISTANCE FOR GOOD EARTHING IS LESS THAN 5 OHM & GRID
RESISTANCE IS LESS THAN 1 OHM
Is This Answer Correct ? | 12 Yes | 1 No |
Post New Answer View All Answers
What is earth?
where solid grounding and where grounding through ngr done and why?
What happens to voltage when current is zero?
How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx
how to convert lv line to hv line and viseversa, any losses will occur during this process
What is the formula to calculate distribution transformer De-rating on iron losses basis
Draw the circuit of clapp oscillator?
Define norton equivalent circuit?
You are of electrical field and you are going for software? Why
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.
what is earthing.how we make it,describe briefly.
Igfet is a
What is the difference between AC and DC injection methods for rotor earth fault protection
why we use circuit breakers for switching instead of normal switching device?