Voltage drop is calculated and cable size increased if necessary 3. This cable sizing calculation program allows you to calculate cable size based on electric motor minimum allowable starting voltage. Choose the right cable, according to australian standard as3000. Electrical design, cable sizing and certification software.
This cable sizing calculation program allows you to calculate cable size based. The cable sizing calculator considers solid or stranded copper conductors only. Calculator the minimum crosssectional area determined by calculation shall be not less than the value determined by the following equation applicable only for disconnection times not less than 0. This wire size calculator will calculate the appropriate wire gauge for a circuit based on amps, voltage, distance, and load. The cable then reaches an enclosure within the garage where there is a 16a radial for sockets, 6a for lights and an rcd. Cable sizing software cable sizing calculation etap. Singlecable contains an extensive database of cables, protective devices and detailed reports showing calculated results.
Im rewiring a garage there is a sub main in old tinned copper cable singles6mm fed from house consumer unit on nonrcd side. I run a small electrical consulting business and i need to be as productive as i can possibly be. Current capacity to bs 7671, era 6930 and iec 60502. It can be accessed around the clock by registering free at. I intend to install a wylex switchfuse at the meter with the appropriate rated fuse to protect the cable. The cable sizing calculator calculates the required cable size according to. Are you saying that i need to run a 10mm earth from the house csu to the garage. The ideal electrical design and circuit calculation software for electrical contractors, electrical consultants and electrical engineers. Given the nature of cable sizing, it can be difficult to get the necessary calculations into a spreadsheet, leading to technical inaccuracies, approximations and lack of validation. User friendly interface with full and accurate cable sizing calculations to iet bs7671 and integrated electrical cad plan design features. Singlecable is a cable calculation software that is extremely simple to use and provides results in seconds, whether the cable is a sub main feeder or final circuit. The program also enables you to look at the results for the next cable size larger or smaller and the same facility is available for the protective device. Home technical articles cable sizing of submain electrical circuits working examples few words about submain circuits a submain electrical circuit can be defined as a circuit connected directly from the main lv switchboard to a submain distribution panel or a rising main for final connection of the minor currentusing equipment.
Cable sizing software that calculates optimal and cable sizes for phase conductors. We have been manufacturing cables since 1984 and among our current staff alone we have over years direct cable manufacturing experience. If the main dno supply enters the building and the consumer unit is say 18m away how would i calculate the cable size. From my way of thinking the sub main is limited to the 3% volt drop whatever happens thus the final circuit would be used to carry out any other vd calcs which would incorporate the sub vd in the calculations. Iz current carryng capacity of the cable where it is installed. Cable calculator is a website plugin module with a simple and clean interface which allows users to size low voltage cables. Based in microsoft excel, our advanced electrical designing software will help you to select the correct cable for the job.
Calculations the calculator uses the following formulas for calculating wire size, which are based on ohms law. Today, we are here with another comprehensive copper and aluminum wire size calculator as we have discussed in detail the topic of how to calculate the proper wire size for electrical wiring. The nec allows a maximum of a 3% voltage drop on the main branch of a circuit at the farthest outlet of power and 5% total to both feeders and branch circuits to the farthest outlet. Cablecalc bs7671 level 3 is a very efficient design tool which will calculate all of the subcircuits and feeder cables for multiple distribution board projects at the click of a button. Etaps cable sizing analysis software can compute the size of the cables based on cable shortcircuit capacity to. Calculate size of cable tray excel sheet electrical. Throughout this time we have continued to develop in to an internationally recognised brand throughout the cable industry. Cable size calculator excel free download for free download cable size calculator excel files at software informer. Code to add this calci to your website just copy and paste the below code to your webpage where you want to display this calculator. Software with a unique approach to the sizing of cables, conduit and trunking. The cable ratings in are based on an ambient temperature of 40c and a ground temperature of 25c.
Once its installed, all you need to do is enter the cable type, ref method, the maximum load in kw or watts and the cable length in metres. We have used melissa electrical many times for lighting design in our offices and the supply of the luminaries, and wouldnt hesitate to use them again. Electrical cable size calculator melissa electricals. Now it takes just 5 seconds to calculate cable sizes, this means you can quickly produce precision results every time in full compliance. No download needed, direct access from your web browser. Easily find all your cable sizes and voltage drops. Cable sizing of sub main electrical circuits working examples the code requires that the maximum copper loss in every sub main circuit should not exceed 1. Impedance and voltage drop to iec 60909 and cenelec clctr 50480. This software cable pro has enabled me to cut out a huge number of manual calculations as far as maximum demand goes, especially for the larger jobs.
Cable sizing of submain electrical circuits working. Online electrical calculator which helps you to calculate the size of copper, aluminium wires in an electrical circuit. Just in the middle of pricing a job and debating what cable to use for the sub main. Network analysis software, which overcoming any technical limitations, requires a higher level of technical input, can be timeconsuming and often the cost is. Draka has added to its already extensive customer support arsenal with the launching of a unique cable sizing calculator on its website.
A 3phase submain circuit having a design fundamental current of 100a is to be wired with 4c pvcswa. To verify cable voltage drop during the redesign of the projects. Singlecable is a cable calculation program that is simple to use and provides results in seconds, whether the cable is a submain feeder or final circuit. Better still, its absolutely free to download and use, and it even works without an internet connection. The cross sectional area csa of a conductor will cause a volt drop per meter per amp. Cable sizing of submain electrical circuits working examples. Electrical calculation tools are based upon schneider electric ecodial electrical network calculation wellknown software.
Excel containment sizing calculator excel networking. The required cable size is the largest size from shortcircuit, overload, and. To find out more about how the cable sizing tool works, please see. Aluminum and flexible cables are not supported yet. Cable size calculator software to calculate cable sizes. An indispensable tool ensuring accurate calculations from as3000 and as3008 designed to ensure compliance with the australian standards asnzs 3008. Heres how it works, for single or three phase cable calculations, simply. Voltimum, the leading portal for the electrical industry. Download the best cable calculation software windows report. Information center tools applications catalogues library medium voltage. Short circuit current calculation at various point of.
Moreover design errors, incorrect calculation of cable lengths and missing accessories or optional items are common problems which may give rise to errors during the design or tender. How to work out a sub main cable size talk electrician forum. From a simple submain supply to a garage or shed to a large commercial or industrial project designed, installed and commissioned by our highly competent team of approved electricians. Calculate the voltage drop of a defined cable and check the maximum length. Home information center tools applications medium voltage calculation. Calculate cable tray width calculate cable tray area calculate cable tray length calculate cable tray weight calculate remaining % width of cable tray calculate remaining % area of cable tray free download. The test certificate software will utilise a new flood fill function.
The module calculates the csa based on current capacity, voltage drop and fault. Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies. Once calculated, the program also enables you to look at the results for the next cable size larger or smaller, and the same facility is available for the protective device. Cablecalc bs7671 will calculate and check for voltage drop. Cablecalc bs7671 level 3 is a software design tool for producing detailed diagrams, schedules, schematic drawings for a complete cable installation. Sub categories mobile camera mobile digital video recordermdvr. Faster than the heavy full features electrical network calculation software. This cable calculator is set for installation method c clipped direct, for cable types bs5467 and bs6724 swa steel wire armoured cable and is based on the voltage drop selected at 230v single phase and 400v three phase. Wilson electrical contractors are experts in the installation of mains and submains distribution. Just after a bit of advice and thought id give this forum a try, im still training and have been set a question regarding designing a sub main. This website provides a wire size calculator, voltage drop calculator, wire ampacity charts and more. For technical queries with regards to your warranty application please.
Cable size calculator calculate copper, aluminium wire. The max demand tables are built in and i do not have to consult the wiring regulations all the time while im busy with the design. Singlecable is a cable calculation software that is extremely simple to use and provides results in seconds, whether the cable is a submain feeder or final circuit. To be compliant, the cable should have no more than 5% volt drop over its total length for full load current and no more than 10% volt drop for start up.