Development of a software package for calculating current rating of medium voltage power cables. This dissertation addresses underground electric power cable ampacity and. Pdf development of a software package for calculating current. High voltage xlpe cable systems technical user guide. Electrical software design tools arduino hack space. The following calculator computes the resistance, inductance, inductive reactance, capacitance, charging current, and surge impedance for medium voltage shielded power cables. Cable ampacity software cable sizing software cable derating. The short circuit rating is calculated according to p323822007, short circuit characteristics of insulated cables, insulated cable engineers association. At some point underground, there are high voltage cables and medium voltage. The presence of moisture can lead to premature failure of medium voltage cables.
Any effort to minimize the presence of moisture in medium voltage power cables are a step towards improving service life. It is executed based on factors that include the soil thermal resistivity and temperature along with the grouping of the circuits. Cable ampacity software cable sizing software cable. Introduction the ampacity of underground power cable lines is limited. Hv cable sizing software in compliance with iec standards. The cymcap software is dedicated to the calculation of ampacity and temperature rise calculations for power cable installations. Hendrixkerite power cable is part of marmon utility llc. Other important factors that need to be considered when selecting power cables are voltage drop, short circuit capability and future load growth. Medium voltage xlpe power cable with xlpe insulated including swa cable and sta cable,used in power distribution network or for industrial equipments. Determination of accurate cable ampacity ratings based on installation scenarios. Information center tools applications catalogues library medium voltage. Ampacity level a taking into account the installation method of the cable, the software determines the cable size for the installed ampacity. Cable sizing software select, size and manage your power cables using mycableengineering. The effect on ampacity for multiple cable crossing and mitigation to.
They consider only temperature limited, current carrying capacity of cables. Single copper conductor cables triplexed in air based on conductor temperatures of 90c 194f and 105c 221f and ambient air temperature of 40c 104f1. Southwires power cable installation guide provides installation information for extruded dielectric power cable systems. What engineers should know about using conduits in power substation designs on photo. General calculations excerpt from prysmians wire and cable. Cable sizing software that calculates optimal and cable sizes for phase conductors. The required cable size is the largest size from shortcircuit, overload, and shock requirements. Gridcablemax hv cable sizing software made for engineers by.
Transfer ampacity calculation of an optimization problem. Etap electrical engineering software offers a comprehensive set of. Cable ampacity calculation therefore requires simulation of the power losses and temperature distribution for the given value of the electric current. Voltage minimum size awg 5 kv 8 8 kv 6 15 kv 2 25 kv 1 35 kv 10 nec table 310. Calculation of the cable ampacity considers only power cables since control cables transmit very little current that has negligible effect to the overall temperature rise. Electrical conduit risers via wikipedia conduit can be a means by which direct buried cable gets from the ground to the equipment, or it can be run directly to cable trenches, manholes, or to the electrical equipment enclosure. These lines are mainly used in a distribution network for electrical power, connecting. This guide covers copper and aluminum conductors from 14 awg through kcmil, insulated for operation from 600v though 35kv. If you continue without changing these settings, you consent to this. Cyme power engineering software low voltage cable sizing. With its extensive technical and engineering expertise and a state of the art compound facility, general cable is committed to using materials with the best overall properties to create the most comprehensive line of industrial power cables to meet your design requirements. Medi ltage single conductor 5 35 mv cable copper mv cable aluminum nec table 310. Ampacity and other design considerations for medium voltage. Determining the maximum current power cables can sustain without deterioration of any of their electrical properties is important for the design of electrical installations.
At present, numerous high voltage xlpe cable systems with nominal voltages up to 500 kv and. Cyme power engineering software and solutions low voltage. Cable sizing, duct bank, ampacity, underground power. Medium voltage power cables nationalcablespecialists.
Dear visitors, we use cookies on our sites to ensure that we give you the best user experience on our websites. Cable sizing and its effect on thermal and ampacity values in. As a result, general cable offers a wide range of medium voltage industrial cables from 2. With the cyme software, medium and low voltage system losses can be calculated accurately and overloaded equipment can be identified to help you plan and improve the system for the future. Hwc is a leading national provider of medium voltage mv power cable products for the electrical distribution sector in ranges from 2.
On this page you can download professional software for electrical design, mv and lv network and photometric calculations, voltage drop and short circuit calculations etc. The module provides a complete and accurate representation of the distribution system. To calculate the parameters of different types of cables, a program with graphical. Power ratings cables crossing external heat sources, the ampacity rating for only. While pulling, in order to eliminate sharp bend and crossovers, always have a. The ampacity is highly dependent upon the thermal resistivity of the concrete or backfill used to form the duct bank, but usually your limiting factor is the riser where you transition from ug to oh since the air temperature in the riser conduit can be significantly higher than what you will find in the duct bank. Cable sizing software cable sizing calculation etap. Comparison of finite element analysis to iec60287 for. In case of cable duct bank with a number of lines, fea shows a stronger electromagnetic and thermal interference than predicted by the iec 60287 standard. The results show the nehermcgrath calculations and cymcap software outputs. Practical power cable ampacity analysis cedengineering. I work as design engineer in one company and i would like to use this tool for our calculation. These cable solutions include nonshielded type mv90 and copper tape shielded type. General cable is recognized as a worldclass leader in the development and design of medium voltage industrial cables.
Jytop cable,aluminum alloy conductor steel reinforced manufacturers. Calculation of the underground cable ampacity is very complex process that requires. Cable ampacity calculations additional modules installations. The sizing of low voltage cable covers most of the common nonarmored cable installations for utility, domestic, commercial and industrial systems. Engineering data for copper and aluminum conductor electrical cables 102 hilltop road, ramsey, nj 07446 201. Shop for medium voltage cable from platt electric supply. Apart from cookies which are strictly necessary for operating our sites we currently also use performance cookies for anonymous statistical purposes. Medium voltage power cable ampacity reference manual volume sets chinese edition gong jian gang bian on. This calculator provides a good estimate based on industry standard calculation methods and cable manufacturing data. Okonite 1 printed on post consumer paper 12017 okonite cables. Hello could somebody help me and give me a tip where can i download for free commercial usage some tool for calculation of cable ampacity according to iec 60 287 not for us standard. Electrical design without appropriate software and tools is impossible to imagine. Voltage regulation voltage regulation is often the limiting factor. The kerite company manufactures specialized, epr insulated, medium voltage cables, rated 5kv to 35kv and pilc replacement cable in the seymour, ct location.
Medium voltage power cable ampacity reference manual volume. Cable ends must always be sealed to prevent the entrance of moisture, etc. Cyme power engineering software lowvoltage secondary. Cable sizing and ampacity for voltage drop, short circuit, motor start voltage, and. Home information center tools applications medium voltage calculation. Power system design software low voltage power system. The cookies settings on this website are set to allow all cookies to give you the very best experience. Cable ampacity calculator energy and power for all. In three phase systems uo is u 3 the voltage of the cable must be chosen according to the maximum voltage um in normal working conditions, which must not exceed the rated voltage by more than 20%.
Engineering data for copper and aluminum conductor electrical. Cable selection for medium voltage capacitor banks and harmonic filter banks introduction this document presents the fundamental aspects of cable and conductor selection for connecting pad mounted shunt capacitor and harmonic filters to industrial, commercial and utility power systems, with voltages of 2. Cable sizing and its effect on thermal and ampacity. Eatons cyme cymcap software is for performing ampacity and temperature rise calculations for power cable installations. High voltage three phase cable ampacity quickfield fea software. Cable sizing and its effect on thermal and ampacity values in underground power distribution over the past decade, underground power distribution has become increasingly popular due to its reliability, safety, aesthetic characteristics, as well as the ever increasing focus on the environmental impacts of the various stages of.
Voltage drop in accordance with cenelec clctr 50480. Medium voltage underground cables 6 general power circuit design this brochure deals with underground power circuits featuring threephase ac voltage insulated cable with a rated voltage between 6. Iec 60502 cable capacity calculations for power cables per iec 60502. As the optimum cableamp can calculate the ampacity of medium conductor sizes can be obtained, the power cables can voltage power cable laid in free air or. Etap electrical engineering software offers a comprehensive set of cable current carrying capacity ampacity and sizing modules based on the following standards and guidelines. What engineers should know about using conduits in power. Uo is the rated voltage between conductor and screen or outer metallic protection. Aerial bundle cable are used for electric power tranmission. Cable selection for medium voltage capacitor banks and.
Along with the cable sizing calculation results, this section also displays the required cable sized, cable ampacity, percent of voltage drop, and percent of starting voltage if cable sizing options for the corresponding requirements are checked. Index terms finite element analysis, multiphysics analysis, cable insulation, cable shielding, grounding. Lv and mv cables up to 33 kv with current capacity in accordance with bs 7671, era 6930 and iec 60502. Ampcalc cable ampacity software for underground systems from calcware. Evaluating software tools for electrical system design consulting. Development of a software package for calculating current. Finding their use in power circuits in open air, conduit, or duct a variety of constructions and types of medium voltage power cable are available based on industrial application needs. At project x, a concreteencased mediumvoltage duct bank is.