Answer Posted / ankit trivedi
TO SELECT PROPER BUSBAR WE SHOULD KNOW THE LOAD CURRENT &
CROSS-SECTION AREA OF THE MATERIAL WHICH IS GOING TO BE
USED. IE CU OR AL.
I.e A CU. BUSBAR OF 25x6 Sq.mm. WILL CARRY THE CURRENT AS
BELOW
25X6 = 150 (cross section area)
150X1.6 =240A
THE BUS BAR OF 25X6mm. WILL CARRY 240A CURRENT, WHERE 1.6
IS GLOBLE SAFTY FACTOR.
| Is This Answer Correct ? | 28 Yes | 9 No |
Post New Answer View All Answers
What is servo motor and what are different types of servo motor
How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?
What is Annunciation?
Give details on how you intend to handle a challenging position you are posted to manage unexpectedly as a company staff?
how can maintain the power factor and why and this is how do work tell us
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?
how many current required for hypo test
How to calculate VCB rating for 33KV ,25 MW Power line?
advantages & disadvantages of Lagging and leading power factor .
How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).
Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output
what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable
dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
What is the two pole structure?