Nec nfpa 70 2011 national electricity code is the equivalent standard for iec 60364 in north america and includes a section covering cable sizing in article 300. Electrical design, cable sizing and certification software. Medium voltage cables to iec 60502caledonian medium. I have tried grid cable max and heard of an autralian project called cable calc pro. On high voltage circuits the prospective fault current and backup protection time is typically. No signups or logins required, just click below to start sizing to either nec or iec standards. Cable impedance calculations provide details on how to calculate the dc resistance, ac resistance and inductive reactance of a cable. The option to size based on overload current is only enabled when bs 7671 17th edition or iec 60364 standards are selected for cable sizing. Complies with standards iec 60287, iec 60853 and nethermcgrath.
Electrical calculation tools is a set of 7 computer aided online tools designed to help you. Using electricalom, the user can model the electrical installation quickly and easily by performing simple tasks while the software acts interactively performing automatic calculations, checks and creates automatically all schematic diagrams. Olex cables high voltage xlpe insulated cables 0882. Iec 60287 current capacity of cables rated current. Data entry in hv, depending on the network 3phase and zerosequence impedances. Cable layout and system design the dimensioning of a high voltage cable system is always based on the specifications and demands of the project at hand. Our software has been designed to calculate the current rating, temperature rise and cable losses of high voltage power cables under multiple scenarios and installation conditions in accordance with iec standard 60287. International electrotechnical commission publication iec 20a, 1978.
It calculates the threephase and homopolar and determines the crosssections of the cables. Gridcablemax hv cable sizing software in hv cable sizing software in compliance with iec temperature rise and cable losses of high voltage power cables under multiple scenarios and installation high voltage cables prysmian group. Waterblocking tape options help ensure that should the hv cable be damaged, the repair lengths and associated works are kept to a minimum. Crater cable rater is a sophisticated cable ratings tool which enables current ratings of a wide range of thermally interdependent circuits to be calculated. Calculation of thermally permissible shortcircuit currents, taking into account nonadiabatic heating effects. See also cable sizing calculators for nec, iec 60364 and hd 60364 standards. Low voltage cables sized based on short circuits cr4.
Power cables with extruded insulation and their accessories for rated voltages of 1 kv um 1. General use measuring impedance designed for the decoupling of the pd current pulses on the pd coupling capacitor, changing in equivalent voltage pulses and forwarding to the pd detector according to iec 60270. Plain annealed copper or aluminium complying with iec 60228 class 1 or 2. Tthe software also includes the iscad trial program and the iec 60617 library 2010, for extending and printing the generated installationschemes.
Steadystate and transient rating calculations of custom cables from lv up to 500 kv. Calculation tools for low voltage electrical network. Low voltage cable reference pages give typical data on cable current ratings, derating factors, impedances, etc. Windows xp or later operating systems including windows 8 and 10. High voltage hv installations calculation trace software. Cable sizing calculator iec 60364 and hd 60364 jcalc. Cable hv is software for the windows operating system.
The cable size is again selected on the basis of the neutral current, which is. Iec, however the general hv cable sizing scribd hv cable sizing. They are suitable for installations providing mechanical protection to the cable. Etap cable sizing module considers zero sequence triple harmonic constraints as well as other harmonic constraints based on correction reduction factors for other order of harmonics. High voltage power cable current ratings electrotechnik pty. Cma power cables paper insulated, lead and aluminium sheathed cables up to 1933kv dated 12287.
Also, the software will perform selectivity checks between the hv and the downstream lv device 2. The cymcap software is dedicated to the calculation of ampacity and temperature rise calculations for power cable installations. For medium voltage cables, the calculations will be according to iec 60502. Calculation of thermal ratings for complex cable circuit installations. The cymcap software is dedicated to performing ampacity and temperature rise calculations for power cable installations. In this case, the use of a special protective device compact nsx equipped with the osn trip for instance would allow the use of a 6 mm 2 cable for the phases and of 10 mm 2. Hv cable sizing software in compliance with iec temperature rise and cable losses of high voltage power cables under multiple scenarios and installation high voltage cables prysmian group high voltage systems 04 high voltage xlpe cable production since the introduction of polymeric insulation, we have made an important contribution. Easily select and set protective devices and produce protection studies. Iec 60287 current capacity of cables an introduction by steven mcfadyen on january 31st, 20 iec 60287 calculation of the continuous current rating of cables 100% load factor is the international standard which defines the procedures and equations to be used in determining the current carry capacity of cable. Cablesizer is a free online cable sizing tool based on iec and nec standards.
Low voltage cables sized based on short circuits 07122012 5. Electrotechnik cable hv software transient, emergency and. Etaps cable sizing analysis software can compute the size of the cables based on cable shortcircuit capacity to withstand the shortcircuit current. Dimensioning of the cables compliant with nf c 200 and iec 60909, according to the admissible currents and the thermal stresses. The cable sizing calculator calculates the cable size according to asnzs. High voltage fuses currentlimiting fuses iec 604392.
Power cable current rating calculations software from lv to hv. It considers current rating, voltage drop and short circuit current. Power cables with extruded insulation and their accessories for rated voltages from 1kv to 30kv iec 60702. Cablesizer cable sizing calculations to iec and nec standards.
Currentka required field numeric value greater than 0 durations. Cable high voltage electrotechnik pty ltdelectrical. Etap cable sizing software provides various options which can be used for design requirements. Calculate size of cable tray excel sheet electrical. This cable sizing calculation program allows you to calculate cable size based on electric motor minimum allowable starting voltage. It helps you to shape up your technical skills in your everyday life as an electrical engineer. Cable hv software new module for transient, emergency and cyclic cable ratings to standard iec 60853.
In this case the rating factor is 1 and a 16 mm 2 cable is required. Determining the maximum current power cables can sustain without deterioration of any of their electrical properties is important for the design of electrical installations. Caneco ht is a medium voltage private electrical network design and verification software package compliant with standards nf c 200 and iec 60909 and with its marine pack standard iec 663. Electrical calculation tools schneider electric global. Impedance and voltage drop to iec 60909 and cenelec clctr 50480. Display the timecurrent curves of 1 to 8 circuitbreakers. Medium voltage cables to iec 60502caledonian medium voltage. Current capacity to bs 7671, era 6930 and iec 60502.
Cable sizing software cable sizing calculation etap. Gridcablemax hv cable sizing software made for engineers. Harmonised cable codes and colours cable sheath and armour loss iec 60287 current. Gridcablemax hv cable sizing software made for engineers by. These design requirements can be userdefined or automatically determined from load flow, short circuit, and protective device calculation results.
Cablesizer cable sizing calculations to iec and nec. As a case study, i considered a 55kv, 433v, 3ph motor. Iec 60228 is the international electrotechnical commission s international standard on conductors of insulated cables. Jun 20, 2016 power cable current rating calculations software from lv to hv. The calculation is general method for cable sizing electrical general method for cable sizing. Iec 60332 tests on electric and optical fibre cables under fire conditions iec 60502. Other than that, you could try system analysis software like etap. Elek cable hv is the latest windows pc software suitable for desktop, laptop or tablet. The option to size based harmonic spectrum is only enabled when bs 7671 17th edition or iec 60364 standards are selected for cable sizing.
Cable sizing methods do differ across international standards e. Engineer friendly software for electrical contractors and engineers. Among other things, it defines a set of standard wire crosssections. Get access to premium hvmvlv technical articles, electrical engineering guides, research studies and much more. Cable calculation software mvhv specific iet engineering. In this report a parametric study of the factors which affect current ratings is presented. The hv cbale size shall be base on the fault level on hv side. High voltage systems 04 high voltage xlpe cable production since the introduction of polymeric. Electricalom is a powerful electrical design software that performs all the necessary calculations and checks in accordance with bs7671 harmonized with iec 60364 and hd 384. This will help you with the calculations, and they have a cable pulling module although i have not used that particular module. When the length of the circuit exceeds the capacity of a cable reel, joints are used to connect the unit.
Hv cable are triple extruded to the latest iec standards using proprietary materials on modern catenary line equipment. Hv cable sizing software in compliance with iec standards. The cable sizing calculator calculates the required cable size according to asnzs 3008 australia and new zealand standard. Hi, i am hoping someone might be able to offer some opinions. Iec 60287 current capacity of cables rated current by steven mcfadyen on february 18th, 20 this note looks at the formulae used to calculate the rated current capacity of a cable in line with iec 60287 calculation of the continuous current rating of cables 100% load factor. These sealing ends are also called terminations or terminals. Gridcablemax is a user friendly program that determines cable ratings with total accuracy. The accuracy of the software provides increased confidence when upgrading power cable installations and designing new ones.
Selection and erection of electrical equipment wiring systems is the iec standard governing cable sizing. Also, check out our blog for news and discussion on cable sizing. 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. Increasing awg give decreasing cross sectional areas the smallest awg.
According to my earlier calculation 3cx50 cable is not suitable 10. Cable high voltage electrotechnik pty ltdelectrical calculations. Hv electrical installation calculation software iec 60909. All calculations are in accordance with the iec 60287 and the nehermcgrath methods. All non electrical type tests as required by iec 60502 routine tests routine tests are carried out on each finished length of cable to control the overall quality of the. The recommended cable sizes are based upon information provided by the user and are intended as a guide only. High voltage xlpe cable systems technical user guide. High voltage electrical installations additional rules for production sites and industrial, commercial and agricultural sites iec 60949. Iec, nfc, rgie, afnor standards compliance trace software.
Etap also has an iec 60287 thermal calculation module should you need it. Perform a shieldcontinuity test on each power cable. Cablesizer is an automated cable sizing and design calculation tool to iec and nec standards. The following details are required for calculation. Modelling was performed using the commercially available software package called elek cable high voltage tm hv. Iec 60364552 2009 electrical installations in buildings part 552. Cable sizing calculation open electrical cable sizing methods do differ across international standards e. Electrotechnik cable hv software transient, emergency. In accordance with icea, iec, ieee and other power cable consensus standards, testing can be performed by means of direct current, power frequency alternating current, or very low frequency alternating current. Lv and mv cables up to 33 kv with current capacity in accordance with bs 7671, era. High voltage xlpe cable systems techincal user guide brugg cables page 6 2. Etap cable sizing study module calculates optimal and alternative cable sizes for phase conductors. Lv cable software cable calculation cable ampacity.
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