Answer Posted / sureshbabu
for the grid connected system the earthing value must be
below the limit of 1 ohm
for the individual connected system the earthing value must
be less than 5 ohms
this is the IEC standard for earthing and bonding
| Is This Answer Correct ? | 21 Yes | 1 No |
Post New Answer View All Answers
State norton’s theorem?
Explain the operation carried out in thermal power stations?
How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted
Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.
how does commutator convert a.c to d.c?
hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites
How to use earthing on shipments.
why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.
tell me about roaster switch .& what is the function in transmission & distribution?
At what speed 1 HP motor can run an electric car of weighing 400 kg?
During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.
Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.
1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?
what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?
how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?