What is min and max voltage between earth and neutral/phase
if it perfect earthing?

Answer Posted / saikrishna

generally the max. difference between voltage of neutral and
earth to be maintained is 3.5V.If it gets
crossed,circulating currents flow and equipment connected
gates damaged

Is This Answer Correct ?    103 Yes 29 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

1881


what is earth resistance? how to measured? and give values at power station and mcc area?

1511


What happens when two positively charged material is placed together?

700


Why derating factor os applied on Cables?

1515


explain different losses in a transformer.

649






In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

1604


diff. between tension mode & speed mode

1774


Define bibo stability.

658


What is the Nyquist criterion regarding control systems?

659


What are the operation carried out in thermal power station?

633


What is the meaning of loop in transformer

1195


tell me some type of questions throught which i can prepare for exam and do my best

1548


r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1295


Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

1703


If short circuit ratio is high is it bad or good for a machine then tell the reason...

1598