if we know Fault level say 25 KA , How to decide
busbar size for Distribution network of 1000 Amp
Breaker ?
Sample Calculation or Farmula Available or not ?
- 4 Answers
- 18049 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / ritesh m
When current is high then current density become constant.
You can calculate bus bar size by taking current density 1
J=I/S where j is current density, I current & s cross
section.
Then you can calculate size.
| Is This Answer Correct ? | 8 Yes | 5 No |
Post New Answer View All Answers
what curve and rateing would you use for a three phase 0.75kw motor?
How to calculate phase to phase difference ?
what is droop control?
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in
plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com
hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com
How does an oscillator differ from an amplifier?
How do you compute voltage drop and cable size over distance?
Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?
I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?
what is the chiller and working principal
How 3 phase invertor works?
what the principle of sincroscope?how it works?when it needed?
How to check the LM324 Ic
