Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / goutam ghosh
Busbar size for a rated current can be calculated from
CURRENT DENSITY. Current density for copper is 160
amps/sqcm.(1000 Amp/sqinch.)and for Aluminium the same is
130 Amp/sqcm.(800Amp/sqinch.).Say for 200 amps reated
current Aluminium busbar of cross section 30mm X 5mm or
Copper busbar having cross section 25mm X 5mm should be
used according to nearest availability at market.
| Is This Answer Correct ? | 15 Yes | 10 No |
Post New Answer View All Answers
sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)
1 hp is equal to how much watt?
what is the size of cable for 15kw motor and 85 meter cable length using with vfd
What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design
The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
What is d main advantage of using double circuit 3 phase transmission ?
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?
why we use 630mm single core cable for transformer secondary side and why two neutral cable
Why arc quenching is used in Diode ?
1sq mm dc powr cable can carry how much dc currnt
how can we select the appropriate VCB ?
1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.
what do you mean by plant earthing system.
what happen as when voltage drop(or may decrease) ? in case of atomic base theory?
