how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / bhushan
value depends upon the soil resistivity but in reality it
should be zero to get better result. As per recommendation
by NFPA and IEEE it should be less then 5 ohms.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is the difference between 4pole & 6pole DC Motors & give advantage ?
show the single line diagram of star delta starter with single phase preventer
what is the string efficiency
WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
What does bode plots shows?
How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.
Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor
Star Delta Diagram with full description
i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.
write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.
What is the difference between earthing,ground&nutral?
How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?
what is the difference between torque induced and torque load?compare them with respect to dc motor?