A.C Busbar contionues current calculations.

Depends on ambient temperature, maximum working temperature, configuration of the bars and more. What sort of current rating are you looking for? Look at the copper development association website (www.cda.org.uk) for a good guide.

I can help you in giving you the calculation.

you have to furnish following details.

1) Bus bar material--Aluminium/copper

2) Ambient temperature

3) Current rating inside the switchgear panel

4) Over all dimension of the switch gear panel

5) Location of Switch gear panel--is it inside well ventilated room/not ventilated room

6) Enclosure of the switchgear panel made out of what material-- sheet steel/aluminium/frp

7) Sleeved busbar/painted busbar.

8) size of the bus bar and the no of busbars per phase,profile of busbar (circular/rectangular/hollow tube etc)

let me have the details to furnish the calculation.

ramesh

Dear Mr Ramesh,

We will be pleased to read your calculation details.

Regards.

p.Mathurboothem

1. aluminimum and copper

2. 40 deg c

3. 400A,630A,800A,1250A,1600A,2000A

4. Not ventilated.

5. Sheet steel

6. sleeved

I need to calculate diffrent designs. Please send me the detalis. My

email ID is gsmmani@rediffmail.com senthil.ganesan@vijai.co.in

G.S.Murugan

Vijai Electricals Ltd.

Hyderabad.

Busbar calculation software.

http://www.lmphotonics.com/busbarcalcs.htm