why do we prefer VCB over OCB? what are the advantages of
Vaccum Ckt. Breaker over Oil Ckt. Breaker?

Answer Posted / sithi

arc extinguish is more fastly than OCB

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

do we use links in a dc circuit?if so what s its use in it?

1492


give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2230


Why derating factor os applied on Cables?

1509


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1603


What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1385






Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1439


At what factor resistance r of a conductor depends?

637


why dc is used in control circuit for mv & hv switchgear instead of ac

1453


previous year paper of ntpc bhel for degree in electrical enng

2760


1.4 What is meant by CT knee point voltage and how would you determine it

1157


what may the reason for vector shift in a generator?

1391


hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

1632


What is Fire Panel ? How it works ?

1583


what are carbondioxide and dcp used in fire extinguishers

1638


what are symmetrical and non symmetrical components in electrical installation.

1604