what is the resistance value of earthing pit and why they
are connected?
Answer Posted / &
the earth resistance
more than 1. and any
switch yard
maintain...earth
resistance below 3
meter, with the mat
giiii
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
what is breathing?
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
how to calculate cooling requirement of datacentre from electrical load?
v/f drive basic princeple
how many types control panel of a 132/33 kv substation
HOE WE CAN IMPROOVE BY USE OF CAPACITOR
In Generator How suction compression power and exhaust works ?
I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions
How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
Is MEN and RCD related to each other ?? IF yes then how??
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")
What is self exciting?
What are dcs and plc?
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?