Kerite cable ampacity software

Integrated into the power cable provides the most precise monitoring, can be used to infer the conductor temperature and with dynamic rating. Kerite combines kerites high voltage hv cable with a turnkey engineering and installation package for a singlesource solution to any. The cable ampacities tabulated for this paper were calculated with cymcap version 3. Kerite has been a leader in esp since the introduction of our high temperature flat htf cable in 1981. The cymcap software is dedicated to the calculation of ampacity and temperature rise calculations for power cable installations. These products significantly reduce power ampacity loss compared to steel and.

Cable ampacity software cable sizing software cable. Shielding copper tape cupronickel tape concentric neutrals round or flat tape and round concentric neutrals insulation system 100% level with single permashield. Submarine cable software submarine cable analysis cable. When selecting a cable, one must know its wire ampacity rating. Cyme power engineering software and solutions power.

Cable ampacity tables for direct current traction power. Creating underground duct banks and inair installations. Cable network usually forms a backbone of the power system. All 4conductor values have been derated per 2008nec table310. The kerite htf product is a corrosionresistant cable with a high degree of mechanical integrity that has also demonstrated superb decompression resistance. The load is a wind farm with a projected capacity factor of 40%, using the 24 hour time frame and collecting real time data from existing sites with a similiar wind regime the highest recorded load. Gridcablemax hv cable sizing software made for engineers by. Cable ampacity power system software and arc flash hazard. The 69kv option is a new product for kerite, and as with the 15kv, has been added as a result of customer inquiries and demand. Hendrix wire and cable manufactures, sells and services underground and overhead medium voltage cable. As a cable ampacity analysis application, etap engineering software determines the cable current capability based on ieee, iec, icea, nec nfpa, bs, and. Conductor ampacity calculation part one electrical knowhow. Introduction cable network usually forms a backbone of the power system. This characteristic parameter depends on many of the cable properties, installation conditions and.

The advanced wire ampacity calculator will calculate the maximum ampacity for a wire based on wire gauge, preferred or available wire insulation, conductor type and installation specifications. These values are based on allowable ampacities of insulated conductors rated up to and including 2000 volts, not more than three currentcarrying conductors in a raceway, cable, or earth, singleinsulated conductor in free air, and an ambient air temperature of 30c 86f. For more than 150 years, kerite has manufactured the highest quality insulated utility transmission and distribution power cables as well as industrial power cable. Determination of accurate cable ampacity ratings based on installation scenarios. Cable ampacity, buried cable, finite element analysis, multiphysics, magnetic shielding, proximity effect, cable duct bank i.

Maximum ampacity current capacity for wire and cable alte. Wire size choose the size awg or kcmil of the wire for which to calculate the maximum allowable ampacity based on the conditions chosen above in the calculator phases select the number of phases in the circuit. Engineering data for copper and aluminum conductor. Cymcap provides the option of performing cable ampacity calculations using dc current zero frequency. Determination of the cable rating for a duct bank with a. Etap electrical engineering software offers a comprehensive set of cable current carrying capacity ampacity and sizing modules based on the following standards and guidelines.

High voltage xlpe cable systems techincal user guide. Crosslinked polyethylene commercial southwire southwires commercial team focus on store, hotel, office, casino, ar. At brugg cables, professional computer programs are in use for the calculation of the various cable data. Normally the iec 60287 standard 1 is used for static ampacity calculation. Ampacity calculation assumptions conductor material and voltage 46kv aluminum conductor. 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. For more than 150 years, kerite has manufactured the highest quality insulated utility transmission and distribution power cables as. Cable sizing and its effect on thermal and ampacity values. Use of and creating library models for physical cables and ducts. Submarine cable analysis etap provides cable pulling, cable sizing, and automatic cable ampacity software for a complete analysis for subsea cable systems.

Ampacity calculation assumptions conductor material and voltage46kv aluminum conductor. Home download center electrical software cable ampacity calculator description this is digital version of the most frequently used ampacity tables that you would find in electrical codes canadas cec and u. For example, a 10 awg 3c 600 v cable is installed in an ambient temperature of 50c. Jul 07, 2015 kerite combines kerite s high voltage hv cable with a turnkey engineering and installation package for a singlesource solution to any hv cable challenge. Pdf cable ampacity calculation and analysis for power. Practical power cable ampacity analysis ced engineering. The kerite insulations are based on years of experience in the field, as well as extensive testing. With those modules, the user can evaluate the magnetic flux density at any point on or above the ground of an underground cable installation, determine the positive and zero sequence impedances and admittances for all the cables. Overview of rules implemented in powertools, including nec and recommended industry standard practices.

This rating has been determined by the nec national electrical code, which lists ampacity ratings for reallife installation examples. Cymcap is windowsbased software designed to perform thermal analyses. Engineering data for copper and aluminum conductor electrical cables 102 hilltop road, ramsey, nj 07446 201. Cable ampacity power system software and arc flash. Ampacity is defined as the maximum current carrying capacity of any cable. The accuracy of the software provides increased confidence when upgrading power cable installations and designing new ones. Determination of the ampacity of buried cable in non. For library directly buried cable detail 8 or detail 7.

Kerite, founded in 1854 and headquartered in seymour, connecticut, is a subsidiary of marmon utility, a berkshirehathaway company. The accuracy of the calculation provides increased confidence in the design, upgrading, and analysis projects. Conductor ampacity calculation part seven electrical knowhow. Plants undergoing license renewal have agreed to a cabletesting program after. Kerite cable supplies mediumvoltage, primary cable to the electric utility market from a different locations.

Usamp prime software models all types of underground power cables pipetype, extruded, and solid paper. Both are brands with decades of experience manufacturing the worlds most reliable power cable. The kerite company manufactures specialized, epr insulated, medium voltage cables, rated 5kv to 35kv and pilc replacement cable in the seymour, ct location. Cable ampacity software additional modules allows performing several analyses of interest for cables installations other than thermal analysis. The underground products range from 5kv through 8kv. The standard employs the concept of thermal equivalent circuit 2. It has manufactured underground distribution cables since 1926 and subsea cable since the late 1800s. Cable sizing and its effect on thermal and ampacity values in. When multiple cable lines are arranged close together, it is. Cable ampacity is limited by the peak temperature to which the insulation is subjected, which is the sum of the. Most cable manufacturers provide ampacity tables on their websites. Pdf cable ampacity calculation and analysis for power flow. Engineering data for copper and aluminum conductor electrical.

Nonhomogenous environment is considered for cable ampacity calculation and results are compare with homogenous environment condition keywords. Singlephase voltages are usually 115v or 120v, while threephase voltages are typically 208v, 230v or 480v. High voltage xlpe cable systems technical user guide. If multiconductor cables are placed in a single layer in uncovered trays, with a maintained spacing of not less than 1 cable diameter between cables, the ampacity of the cables shall not exceed the allowable ambient temperaturecorrected ampacities of multiconductor cables with not more than 3 insulated conductors in free air in accordance with section 310. This characteristic parameter depends on many of the cable properties, installation conditions and surrounding environment. Conductorcable terms, conductorcable insulation materials terms, conductorcable tests terms, conductorcable manufacturing process terms. Models duct banks, pipe cables, extruded cables, directly buried cables, casings, or mixtures thereof. Use of computer programs for calculation of underground cable ampacity software programs usually use neher mcgrath method for the calculation of the cable ampacity. That is the quandry, if i use the 75% load factor, my 100% ampacity is much higher, thus i need to be satisfied i am not overloading the cable. Cyme power engineering software and solutions power cable. Introduction when cables need to cross natural or manmade obstacles. The aeic cable specifications are builtin to the program. Okonite 1 printed on post consumer paper 12017 okonite cables. Computes steadystate and transient ampacities and temperatures for.

As a cable ampacity analysis application, etap engineering software determines the cable current capability based on ieee, iec, icea, nec nfpa, bs, and nfc standards. Uptown campus, primary electric master plan program study. Calculation of the cable ampacity considers only power cables since control cables. Milan uzelac, satish kumar chinari g&w electric, bruce miller kerite. Cable design form to scale input of cable designs is facilitated by a cable expert system. The ampacity of underground power cable lines is limited by the maximal allowable temperature of the conductor. Practical power cable ampacity analysis velimir lackovic, mscee, p. Ampacity cable sizing calculations to iec and nec standards. Kerite power cable customer service 2038815305 cable overview kerite power cable in voltages from 46kv through 8kv for transmission applications. High voltage xlpe cable systems techincal user guide brugg cables page 3 1. Fluent as the proper software in this field is used to generate and solve the problem. The united states national electrical code, table 310.

Cable ampacity calculator electrical engineering portal. Permalife medium voltage is a jacketed single conductor power cable designed for. Based on not more than three conductors in raceway or cable or earth per nec table 310. Kerite product catalog underground distribution cable and power cable. Usamp prime insulated cable ampacity software models all types of underground power cables pipetype, extruded, and solid paper. The user inputs basic parameters cable type, insulation type, voltage rating and conductor area. Kerite also has a rigid quality assurance program that, because we. Computes steadystate and transient ampacities and temperatures for multiple cables with equal or unequal loading. Medi ltage single conductor 5 35 mv cable copper mv cable aluminum nec table 310. Installation data despite the selection of the proper kerite cable for the application, its ultimate service life can be adversely affected if proper. The kerite company manufactures specialized, drepr insulated, 5kv to 8kv cables. These thermal analyses pertain to temperature rise andor ampacity calculations using the.

Etaps cable systems program allows operation of subsea cables at their maximum potential while providing secure and reliable operation. Therefore, complete analysis of the power systems includes detailed analyses of the cable network, especially assessment of the cable ampacities. One exception to the xlpe or epr insulation types is a keritesupplied material. These should be triplexed cables, im not sure why they show up as not being in a triplex form but rather just side by side. In addition to the 15kv product, kerite has begun to manufacture for the first time a 2500 kcmil 69kv power cable, for customers who need to increase ampacity above 15kv in a particular circuit. Conductor ampacity calculation part seven electrical. The calculation determines the proper cable sizes to carry specified loads in designing new systems and upgrading power cable installations. Like hendrix, kerite produces cables for the electric utility market. A minimum life of forty years is expected when the cable is properly installed. General information on high voltage cable systems 1. Determine both the 600 volt and medium voltage calculations to estimate and manage cable installation projects. Voltage enter the voltage at the source of the circuit. They consider only temperature limited, current carrying capacity of cables.

The software examines cable temperature and ampacity in performing analysis of existing systems. Kerite power cables 5kv thru 8kv utilize permashield as a. Cable ampacity software cable sizing software cable derating. Use this simple tool to calculate conduit size and fill percentage, pulling tensions, cable sidewall. This calculator also provides wire size correction factors for temperature, number of conductors in a raceway, and voltage drop for long wire runs. It addresses both steady state and transient thermal cable ratings. By using a fibre optic fo cable and measuring device, the theoretical results, as simulated by the software, can be compared with realtime measurements. What is wire ampacity and how do you find ampacity rating. The kerite company manufactures aluminum and copper conductor cables with epr insulation. Skm software help desk cable ampacity triplexed cables. Etaps cable ampacity software is used for calculating cable ampacity based on nec, ieee, icea, iec, and bs standards for underground duct banks, cable trays dstar underground cable ampacity. Iec 60502 cable capacity calculations for power cables per iec 60502. With those modules, the user can evaluate the magnetic flux density at any point on or above the ground of an underground cable installation, determine the positive and zero sequence impedances and admittances for all the cables present in an. Comparison of finite element analysis to iec60287 for.