A & B are in mm Weight of Copper Rods = 1.0517 x The Corresponding Weight of Brass Rods 1 Meter = 100 CMS = 1000 MM = 39.37 INCHES = 3.28 FEET RECTANGULAR SHAPED BARE COPPER BUS BARS WEIGHT CHART SIZE a (mm) b (mm) CROSS SECTION (mm2) WEIGHT (kg/m) 10 X 3 3 10 29 0,267 15x3 3 15 44 0,401 20x3 3 20 59 0,534 20x5 5 20 99 0,890 25x3 3 25 74 0,668 25x5 5 25 124 1,113 30x3 3 30 89 0,801 30x5 5 30 149 1,335 30x10 Download Our Copper Busbar Rating Table as PDF Busbar Size X Sectional area Weight Approx D.C Resistance 20°C Approx D.C rating (1) Approx A.C rating Moment of Inertia Modulus of Section Z Still Air (3) Free Air (3) Still Air Free Air Edge-wise Flat Edge-wise Flat mm mm2 kg/m mW/m A A A A mm4 … Busbar Size Calculation: Generally, a Busbar size depends on the total ampere of current that it needs to carry. Busbar Size Should be Equal or More than of 6300A.

Consultant Recommended Busbar Size based on the 'THUMB Rule' We noticed, Busbar Size is Low to Carry 6300A.

2.2 Calculation of Maximum Current-Carrying Capacity In engineering terms, the current rating for a busbar depends on the choice of working temperature. This is done by comparing the cost of installing and operating (electricity costs only) systems with different size conductors. The Copper Busbar Sizing Guide is an outgrowth of a similar PC program.

Quick Copper Bus bar Design Selector Knowing the ampacity, designers and estimators can get the approximate bus bar size. WEIGHT PER METER .

> Quick Bus Bar Design Selector Ampacity Chart. Ampacities of Copper Alloy C11000 Bus bars Ampacities in the table below are for bus bars having an emissivity of 0.4.

You have 2500A, 2000A, 800A, 1500A, 600A, 250A, you size bus bar rating based on the three parameters – total connected load of the system, fault level of the system, Reply juan bautista

Ampacity of the bus bar selected must then be verified by checking the Ampacity Table. We should take a multiple factors as 0.8. This was observed on samples exposed for 60 days in an industrial environment, and it … The bar is heated by the power dissipated in it by the load current flowing through the resistance, and cooled by radiation to its surroundings and convection from its surfaces. Take the same busbar of 100mm wide and 10 thick, the current carrying capacity of the aluminum busbar is 800 Amps. It helps users find the busbar system with the lowest life-cycle cost. Busbar Sizing Guide. Please type the Specific Values (diameter of round bar or A/F of Hexagon / Square bar) of A&B to get the weight … Then the rest of the work is similar to the bus voltage calculation on the low voltage side.

If carrying current is small then its size will be small and if it is carrying a high amount of current then its size will be large. There is no problem if the size is a bit higher but it would not be okay to take extra. bus bar ampacity table ampacities of copper bus bars alloy uns c11000 3/8 x 3/4 .281 358 1.09 29.3 1.02 415 1.02 550 1.02 630 3/8 x 1 .375 477 1.45 21.9 1.03 510 1.03 680 1.03 790 12 PowEr guidE 2009 / Book 12. iNTro in accordance with its policy of continuous improvement, the Company reserves the right to change specifications and designs without notice. Iron busbar: Steps in bus bar design for substation: The cross section of conductors is designed on the basis of rated normal current and permissible temperature rise. We should take a multiple factors as 0.8. From the Size Selection Chart Width * Height = 60 * 10 = 600A The size of the busbar was selected.