how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / g umamaheshwar rao
earth resistance of individual earth pit should be less
than 5ohms and when it is connected with grid should be
less than 1 ohms
Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
what is the difference between 2 way and 4 pole selector switch???
What are the material used for inductance coil?
Is electro plating what type of load whether resistive, inductive or capacitive loads
take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????
Why auxiliary transformers are not connected in parallel in primary stations?
EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
what id a dry type transformers and its function ?
we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer
TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?
(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?
what is lrs tank water resistance.
what types of cable used in underground coal mining?
what is the difference between capacitive and resistive voltage divider?
How do you determine the size of transformer radiators in a transformer?