How can we calculate earth mat conductor size ..? & give
the formula to determine earth conductor size?
Answers were Sorted based on User's Feedback
Answer / zan
Several variable factors are involved in the
design of earthing mat conductor.Therefore, earthing mat
for each substation has to designed individually usually.
The earthing mat has to be designed for the site conditions
to have a low overall impedance and a current carrying
capacity consistent with the fault current magnitude. The
parameter listed below influence the design of earthing mat:
• Magnitude of fault current;
• Duration of fault;
• Soil resistivity .
• Resistivity of surface material;
• Shock duration;
• Material of earthing mat conductor and
• Earthing mat geometry.
Is This Answer Correct ? | 7 Yes | 1 No |
Answer / parag shukla
It is basically depends on the soil resistivity & system
load. You can calculate the current for this load from that
calculate the conductor size & earth mat calculations
Is This Answer Correct ? | 3 Yes | 5 No |
What is the difference between diesel generator engine with and without turbo charger with the same capacity?
how to measure the current by compact digital equipment with dislay which fit inside any equipment
how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt
I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?
if transformer winding burn on dc supply then why not alternator rotor winding please post answer on y.sakhare@rediffmail.com
how we calculate capacitor bank mvar for 11 kv distribution networ , and i need releation between capacitor bank with voltage, frequency, current, pf
how to select cable size for three phase?
what will happen when reverse reactive power occurs in alternators?
what is residuel magnetism
why we decide alternating wave form in ac system and not in dc system
What will Happened if the polarity of CT is changed?
what are the possible reaons & remedies if resistance of NGR getting heat up