how to estimate the breaker capacity of breaker,please give
the one example( 6.6 kv breaker,800a)?????

Answer Posted / praveen

breaker capaciy taken by 132kv for example 133*1.55 times
capacity 145kv suitable for beaker

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What we mean by vintage of an engine+Generator?

1603


What happens when ac supply is given as excitation voltage instead of dc supply

3146


how is find out kwh step by step

1328


15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1115


What is the earth treantment procedure?

1618






how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

1633


how to get bearing & winding temperature of an induction motor?

1469


What is accuracy of a measurement?

723


how is the testing of an REF relay? what are the test REF circuit having?

1464


What is the difference between resistance grounding system and resistance earthing system?

642


how works inductive &capacitive sensors?

1542


how flow current in 220 kv line to line

1543


Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1216


How is operate breaker failure scheme in substation

1539


What is meaning of out of phase (making & breaking) capacity And how to calculate

1627