Bus Bar

Do you know Ohm law?

it can be suitable to the bus bar.

Similar to voltage drop calculation for cables you need:

- Busbar cross sectional area per each phase

- Busbar Length

- Busbar material (Copper or Allminium) then you can have the Ω/m value in standard conditions (of ambient temp. and altitude)

- Operating temperature and site altitude for calculating derating factors

I agree with you, but I think it should be noted that bus bar length is somewhat ambiguous to be defined. Such a length differs from that of cable. The effective length of a bus bar is defined by the path of which the current will flow, i.e. it is defined by the distance between the current-input point and the current-output point. Sure there may be several input/output points, this may be treated superposition or other arithmetic facilities.

Samak

Agree