Weight calculator of copper busbar, copper coil, tube, plate, rod. General formula for calculating the forces in the event of a short circuit. The introduction of the iec 61439 switchgear and control standards has had significant implications for the design and performance of the copper busbar system. Weight calculator of copper busbar, copper coil, tube. Mahesh engineering services, since 1974, is a professionally managed trading company involved in industrial electrical materials. Efficient joints in copper busbar conductors can be made very simply by bolting, clamping, riveting, soldering or welding. Copper development association materials for busbar systems high electrical conductivity only silver is better than copper good thermal conductor. Mechanical properties this table lists properties useful in calculating such characteristics as stiffness and deflection that are often required by designers of bus bar systems. We provide 19 for you about aluminium bus bar weight per meter.
Ampacities and mechanical properties of rectangular copper bus bars t he ampacity tables presented here are for rectangular bus bars of copper no. Outer dia wall thickness x 227 width of sheet 14formula for calculating principal amount with interest on bank fdr. We provide 20 for you about aluminium busbar weight calculation page 1. Dec 21, 2015 there is formula exist apart from the k factors.
Special formula of calculating weight 1weight of ss pipe. Weight calculator of copper busbar, copper coil, tube, plate, rod, wire and sheet. Test results show that increasing cross section beyond certain. Copper pipe weight calculation material alloy steel aluminum beryllium brass bronze cast iron columbium copper copper alloys gold lead magnesium molybdenum nickel plastic silver stainless steel tantalum titanium tungsten zinc zirconium.
Weight calculator of copper busbar, copper plate, copper rod, wire and sheet. To obtain capacitance, the bus element or conductor must be made as wide as. Required ampacity range busbar dimension, inches 30. Jul 04, 2014 it is a prevalent practice to use multiple runs of busbar of a particular crosssection to accommodate the switchboard current. David chapman copper development association david. Suppose we need bus bar for 630a, and we are going with aluminium bus bar 8010. Here is the steel weight calculation formula including steel plate, tube, bar, round, square, flat, hexagonal steel, rebar, angle steel, brass, copper, etc. This method should only be used to estimate a likely size of busbar, the final size being chosen after consideration has been given to the calculation methods. Actualyy i am looking for the 5000a disribution panel bus bar used is 200 10 3 per phase. Online metal weight calculator which helps to calculate the weight of copper pipe metal.
Free online copper busbar weight calculator on smi copper website. The main difficulties are, first to determine current path and associated. The busbar thickness is the thickness of the material from which the busbar is fabricated. Please help me to do the heat dessipation calculation of the copper bus bar in general. In order to help you quickly find the metal weight formula, i made infographic which is not only practical but also beautiful.
A simplified method of calculating busbar inductance and its. It is an alternative to traditional cabling and provides numerous advantages to the installer and client including savings on space, time and cost. A very approximate method of estimating the current carrying capacity of a copper busbar is to assume a current density of 2 amm2 1250 ain2 in still air. The form rating helps determine the layout of the assembly, the position of devices such as the circuit breaker, terminals and the busbar system, as well as whether the busbar requires a cover. It helps users find the busbar system with the lowest lifecycle cost.
Copper plate weight calculator metal weight calculation. Pdf bus bar copper losses computation researchgate. Bolted joints are formed by overlapping the bars and bolting through the overlap area. Online metal weight calculator which helps to calculate the weight of copper plate metal. Copper pipe weight calculator metal weight calculation online. Free online copper bar weight calculator, check copper bus bar, copper flat bar, copper square bar, cu busbar and copper flat bar weight per foot. Theoretical metal weight calculation formula 30 types of. Special formula of calculating weight 1 weight of ss pipe. Screw bolts for busbar suports for joining and fastening delta busbar supports package contains.
Ampacities were calculated using a nominal conductivity of 99% iacs and should also be. Busbars 14 two metals are currently used as conductors in electric panel boards. If the busbar is manufactured from a laminated material, then this is the overall thickness of the bar rather than the thickness of the individual elements. Busbar design thermal conductivity electrical resistance. Copper bar weight calculator, flat and copper bus bar weight. Copper busbar rating calculation tightening torque of nuts bolt tightening torque chart silver plated copper busbar. Aug 05, 2014 thank alot for this valuable information however, i notice that you are considering derating factor for busbar calcualtion is 0. Ampacities and mechanical properties of rectangular copper busbars.
Ampacities and mechanical properties of rectangular copper. The busbar width is the distance across the widest side of the busbar, edge to edge. Busbar design free download as powerpoint presentation. Calculate weight of copper coil, copper tube weight per kg. This paper describes how to forecast copper losses in a bus bar, composed of thin copper layers and several access points. Figure 47 factor k for calculating the force between two bars of. Theoretical metal weight calculation formula 30 types of metals. The decision as to where to put the busbar depends on the location of the incoming cables and the position of the incoming protection device. Quality panel builder page 1 of 3 a ampere vs busbar selection chart ref.
How to calculate heat dissipation for busbar cr4 discussion. Quick copper busbar design selector knowing the ampacity, designers and estimators can get the approximate bus bar size. Recalculation graphs should be used for design conditions different than those stated. Ampacity of the bus bar selected must then be verified by checking the ampacity table. Thumb rule for aluminium busbar area of busbar x 8. Its an area which design engineers need to appreciate, not least because the new testing. Scribd is the worlds largest social reading and publishing site. Figure 5 indicates which formula should be used for various conductor geometries.
Busbar selection in switchboards for fault withstand. Among all of the metal weight calculation formula in the following part, there are two kinds of metals that are not mentioned, which are i beam steel and h beam steel. Cross section and weight figures are for busbars with rounded corners of 1. This is done by comparing the cost of installing and operating electricity costs only systems with different size conductors. Calculate the weight of various forms including box sections, sheets, bars and. As far as required ampacity of busbar system is below 1600 a, it can be conveniently achieved by using one or more conductors of suitable size and shape.
A simplified method of calculating busbar inductance and. Online weight calculator for alloy metals including aluminium and stainless steel. Bus bar specification copper alloys c1, electrolytic tough pitch copper etp. Shaped busbars may be prefabricated by using friction stir welding. Bus bar weight chart vs length free download as excel spreadsheet. As a preliminary, the derivation of a formula for calculating the inductance of a fine wire element, which is the basic component of a. Copper for busbars guidance for design and installation. The calculated values on this data sheet are based on the following. Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 22066 kv hv gis substation. Use our weight calculator to calculate the weight of alloys of various forms including round bar, hexagon, sheet, flat bar. Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2. Even though the size for the aluminium bus is larger than for the copper bus, the weight difference is more dramatic and favours the aluminium bus. App with calculations for more than 25 metals see metcalc or direct to the app store ios and on the playstore android also as a lightdemo version with 3 selected metals see metcalc or direct to the app store ios and on the playstore android.
Capacitance c is computed by using the following formula. Understanding copper calculating weight and dimensions. Current ratings are based on temperature rise of busbars, h b dwight. Understanding copper calculations calculations are not any more available now available. Check parameters to ensure compatability of these current ratings with design specification. Power mat busbar supporter note 2calculation is on the based on. Copper pipe weight calculator metal weight calculation. The design engineer should consider the following points while doing busbar sizing calculation. Here you can find the latest products in different kinds of aluminium busbar weight calculation. The copper cladding is nominally 15% by volume, with the exception of certain sizes of high aspect ratio, which are produced with nominally 20% by volume. Abb pmax iec copper 01 02 pmax h is a patented range of busbar trunking that is utilised within building and industrial applications to deliver power to electrical loads. The copper cladding is nominally 15% by volume, with the exception of certain sizes of high aspect. The copper busbar sizing guide is an outgrowth of a similar pc program. In this paper, we offer a proposal for a new simplified method of calculating busbar inductance, the calculated results for some simple models, and applications to the analysis of stray resonance phenomena.
Cuponal copper clad aluminium busbar cuponal consists of a solid core of electrical grade aluminium, with a pressure bonded outer layer of high conductivity copper. It is a prevalent practice to use multiple runs of busbar of a particular crosssection to accommodate the switchboard current. Note please contact with marketing department for sizes other than above listed. Increased capacitance results in greater signal suppression and noise elimination. Here you can find the latest products in different kinds of aluminium bus bar weight per meter.
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