IF i have switchgear with busbar current rating of 1000Amp
35kA then is it necessary to have outgoing breaker kA rating
to be equal to busbar kA rating?
Answer Posted / anil jangra
KA rating of any switchgear is depending on fault level of connecting load,so it necessary to calculate the fault current of load than select the switchgear rating,as per my opinion the must be able to clear the fault without damaging it self and healty one feeder also.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?
How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.
Define phase cross over?
What is size 00, 01, 1 etc., in HRC fuse types?
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com
How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.
What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?
Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction
What is the ratio of true power to apparent power in an ac circuit?
what are the analog quality input for protection function?what are minimum reqiments?
Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??
sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used
What are the common sources of energy?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com