What should be the minimum and maximum ohmic value for
earthing?

Answer Posted / p.r.gowri sankar

Earthing Resistance between the phase to earth is must be
below the value is 0.5ohms.

Is This Answer Correct ?    4 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2237


why only exciting current is shown not primary current in transformer???

1398


i need some project topics along with circuit diagram in the electrical adnd electronics engg and also give ome website regarding projects.my mail id is thenmozhi2k7@gmail.com .please help me.

1456


What happens to voltage when current is zero?

783


Why we use mho Relay in long transmission line?

968






what is the safety of voltage power transformer(2250KVA0

1561


Which motor connection is preferable star-delta or delta-star?

642


Why is the starting current high in dc motor?

625


What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

1041


explain safety measures in alternator?

1338


what is the question paper model for section engineer in RRB

1485


what is magnetizing and demagnetizing current in generator and motor?

2747


what are the condition that makes hooter blow?

1880


how to design coil turns ?

1546


What is a system?

706