2006/2028, 15:59 CYNE - Software, Power Cable Ampacity Rating F.TeN Powering Bsinese Werdwide ton | Contact | CYME j / Power Engineering Software 1) now partoreston Power Cable Ampacity Rating Useful links | Brochures: ‘The CYMCAP software is dedicated tothe calculation of ampacity and temperature rise calculations for power cable + Blcwene insalators. The accuracy ofthe sofware provides increases canicence wen upgrading power cable nstalaions + Pladation Src deigrng new ones, maximizing the bontts rom the considerable capt estmont associated wh tom oles: Also helps rereac sytem relly and supports the preper lation of te stad equipment. Fetes + Pj scational Modules: Analss “The CYMCAP sofware is dedicated to perfonming ampacty and temperature rise calculations for power cable Insialators. Determining the maximum current power cables can sustain without deteraraton af ery of their tlectreal properties s porta forte design of electrical nsalaons + crmcap-cHOTE It acdrasses steady and transient thermal cable rating a per the analytical techniques described by Neher MeGraty ante Intemational Stanaaros IEC 2876 and TEC 8530, —_ System Analisis “This sotware was developed jin by Ontario Hysro (Hydro One), MeMastar Unversity and CYME hnierationl, + Fault anaises under the auspices ofthe Canadan Elect Assocation “The validation ofthe results obtained wih the GYMCAP sofware provides increased confidence when upgrading existing power cable installations and designing new ones, thus maximizing the benefits from the considerable Wiite Papers: taptal nvestment associated wih them + Cable Historical Operating — = Temperature SS Estimator fee minions 8) 278259 ee Ce) Sem OO contact itormation International & Canade el (450) 461-3655 Fax: (450) 461-0966 usa Tel: (800) 361-3627, Benge 206 ‘Analytical Capabilities Web: cymeinfomenton.com + Reratve techniques based on Neher-MeGrath and IEC-602876 methods 1 Ful complance wih North American prac and complance wih IEC standards IEC 602876, 1EC 02280, IEC 608530, ot. + Deiaile graphical representation of vitualy any type of power cable. This facty can be used to modiy ‘xing cables cata and enrch the cable lary nit now anes, Tis includes singla-coe, tee-core, bolted, pipe-ype, submarina, shoathed, and amocod cablos “+ Diferent cable installation conditions such as rely bured, thermal back, underground ducts or duct banks + Pipe-type cables directly bured or na thermal backil {> Incopandent lraies and databases for cables, duc-banks, load curves, heat Sources an installations groups of cables nai, moisture migraton, nearby heat sources Diferant cable types within one instalation 1 Nondsothormal ear surface modeling + Cyclic loading patterns as per IEC-808590 + Muttple cables per phase with accurate modetng of the sheath mutual inductances. which greatly influence erculaing curent sees and ths ce-ates the ampecty of cables, “+ Alltypes of sheath bonding arrangements fort and tiangular formations are supported with explicit ‘modeling of minor secon lengths, unequal cable spacing tc hitps:luwn-cyme.convsofwareleymeap! wn2006/2028, 15:59 CYNE - Sofware, Power Cable Ampacity Rating ‘Gentge nese “Veat Souree Wedsing ‘Transient Analysis “The program supports a Transint Thermal Analysis Option which includes the folowing: * Ampacty given ime and temperature {+ Temperature analysis given time and ampacty + Timo to reach a given tomperatsro, given te ampacity 1 Ampacty anc temperature analysis as a function f time User-defined load protles per rcut ‘Muttpte cables por nsalaion Ciroits can be loaded simultaneously or one at a time [aSeealal jl Pereeterriew zi ontge sense Installations “The CYNCAP Adétional Modulos offer extended capabities to the CYMCAP software, allowing modeling mere instalatona, parteularly non-standard installations. This includes the rrodelng of installations wih Tulple Alctbanks and backfils each with diferent thermal resistivity, the calculation ofthe ampacty and temperature of ‘ables in unventiated tunnels the rating of cables in both fled and unfiled troughs, and te rating of cables in ore ‘ormore non-magnetic casings. Multote Duct Banks and Backs Cables in Tunnels Gables inTrovshe, Mulbole Casings. hitpssiwwn.cyme.convsofwareloymcan!2006/2028, 15:59 CYNE - Software, Power Cable Ampacity Rating Analyses “The CYMCAP Adettional Modules alow performing soveral analyses of interest for cables installations tko evaluating ‘the magnetic fx censty at ary point on or above the ground af an underground cable insialaton, determining the postive and zero sequence impedances ana acmitances fr all the cables present in an insialation, performing Shot-ercut cable ratings, determining the optimal placement of several crcults win a ductbank given spectiod Constraints and calculating the ampacty of wo crcuts crossing each other. ct Banks and Backiills “The Mutiple Duct Banks and Backfls ade-on module (MDB) is designed to dstemine the steady-state ampacty of cables installed in several neighboring duct banks andlor backils with diferent thermal resistviy. The module Prosonts a unique soliton combining standard and non-standard calculation methods. The module computes the Values of 74 the extomal thermal resistance lo the cable) using the Fite element met%od and then the ampaciy (or ‘operating temparatue) ofthe cable installation is obtained using the IEC standardized aluion method, ‘The following capabilites are highighted Modeling unlimited numberof rectangular areas wih efferent thermal resistivity Modeling up to three dct banks i a single instalation “Moding one heat source or hoat snk inthe Installation Computation af the steady-state ampact o temperature Transient analysis, eye loading and emergency raings are supported Computation othe thermal rating of eabes stalled in filed rougns Cables in Tunnels ‘The optional Cables in Tunnels mosule allows the user to determine steady-state temperature and ampacty, cycle toading, emergency rating and Varsiont analy for eabos stalled 9 unventiated tunnels, Note thal only equally Toaded cables having the same iypo and loading aro considered. Tis add-on module supports a largo varity of Cable arrangements for single core (al formations or trefols) and tree-core cables, Major features are! ‘+ Modeling ofa large varay of installation methods: laying onthe floor hanging ftom a wall nladdor-ype racks on cable Ways ‘+ Gables ana groups of cables can be single-core or thee-core. Single-core cables can be arrange in fl formations (vereally or horizontally) or in veto + Computation ofthe steady-state ampacty o” temperature. Cyaic loading using dally, weekly and yearly Toad facta. Computation of emergency rings hitpssiwwn.cyme.convsofwareloymcan!2006/2028, 15:59 CYME - Sofware, Power Cable Ampacity Rating meres ley | (| + Ventilation in tunnels is supported fr identical cables in trefoil or Hat configuration as described inthe IEC. standard 60287-2.30 2017 t includes 2 report view the temperature profile along the ventlated tunnel. “The thermal rating of cables installed In unfllod cr in filed troughs is determined using the CYMCAPIUNF ard the CYMCAPIMDB modules respectively, In these modules, a trough (ora vench) is defined to be a long shallow rectanguar-shaped excavation, where the ‘wala, botlom and cover are mace of concrete. The cables can be installed onthe oor, hanging ‘Tom supports on the walls o racks. The trough canbe iled wih a material with good thermal properties ork canbe eft unl (aired). ‘The heat tanster mechan is diferent felled and unled tough and therefor they are reated independent, Unfilled Troughs Ina, the only option to rate unflled rough instaatons was to use the IEC standard In th approach the cables ratings are calculated as for cables in foe ax, but tho temperature inside the rough is computed according lo the TEC Standard 60287-2-10. The module has been improved signfcandy and includes tree options In alton tothe TEC stancara to model @ given trough instalation’ Slarinka Method 1, Slaninka Method 2 and Anders-Coates Method, With the IEC standara, thermal resistivities ofthe soll and the trough’s cover are ignered. With the Slaninka Method 4, tho thermal costly of tho Vough's cover is considored. The Slaninka Mothod 2 considers both the terra) resistivities of the cover and the soll surounding the trough. With the Anders-Coates method, in addition to the ‘thermal resistivities ofthe soll and the cover, the wind velocity above the trough is taken into account. In al options ‘he user can choose whether the rough is exposed to sun radiation or itis shaded. The approacnes areal based on Fed research by independent pares and published in scienti journals. Filled Troughs Filed troughs are treated in the CYMCAPINDB module as muliple backfls. Cables in filed troughs are rated in he CYMCAP sofware using ‘+ Fite elements method to compute the extemal-io-to-cable thermal resistance T, + IEC Standards procedures to perform efciently ampacitycaleulatons Besides, the module ofrs hitpssiwwn.cyme.convsofwareloymcan!2006/2028, 15:59 CYNE - Software, Power Cable Ampacity Rating ‘+ Computes the temperature and steady-state unequally loaded ampacty as customary Facilites fo move the tough down and model asymmetrical tough {Abily te porfoem eyelc loading rating through the use of oad factors Beceasie 4 Mase Be Qantage sense ‘The Multiple Casings add-on module (MCAS) allows the user {o determine the steady-state unequally loaded ampacty ansior temperature ratng of cables installed In one of more nan-magretic casings. In the CYMCAP Software, @ casing is defined to be a large norrmagnstie conduit tiled with al, nsige which eables In ducts and Cables notin duets can be insaled. Casings can be immersed in wate, slaced on the sea bed or buted Uurderground, Ne othe filing materia over than aris consicored in the casna(s) or in the duct). ‘The module features many modeling faites among wich the folowing capabities can be highlighted Different burial environments are alowec: water or underground Modeling of ary number of casings in parallel in the same nsalation Moding of ary numberof dts Inside one or more easing a tre same time Capable of modeling any numbor ef ccuts inside a easing and a duct Greats in ducts and in casings can be multiple eables per phase Several materiale are avalable to model ducts and casings, including non-magnetic metalic materale (VC, Povetryione, Earthenware, non-magnetic metal.) + Sos of ets and casings are nt limes (Aaiuimiose.ten facie ioe ie) ontge seare ‘The Duct Bank Optimizer add-on module allows the user to determine the aptinal placement of several creuts win @ duct bank: More spectcaly, the modula can recommend various ereut configurations within @ dt bank 89 at ‘+ The duct bank overall ampacty,..the sum ofthe ampacties forall ccs, is maximized {The duct sank overall ampaciy, the sum ofthe ampacttos for all crus, is minimized ‘+ The ampaciy of any given croutis maximized + The ampacy of any given exeult is minimized hitpssiwwn.cyme.convsofwareloymcan!2006/2028, 15:59 CYNE - Software, Power Cable Ampacity Rating For a 3 by 4 duct bank with three trfots and one three-phase circuit (one phase por cond, there are up to 185,280 possible combinations, The elaborated mathematical algortim of ine medule prevents the repeltve Calculation of equivalent cases, therefore tne soluton is ablained vet ficiently. The condo prosented onthe rght hand sid ofthe ilusvaton shows the able locations for maximum ampacty ‘The Magnetic Fields Module (EMF) is an ads-on module tothe CYMCAP software. After a steady-state ampacty or temperature simulation, the module computes the magnetic fux consiy al any point on or above the ground of an underground eable installation. The output is plot (or @ tale) of magnetis Aux density versus posttan. Modeling Teatues include Infitetength hir-wie two-dimensional approach Consideration af time-varying currents praducing an eliptcally polarized rotating magnetic vector ‘Tho currents in 2 three-phase crcul can be unbalanced (magnitude and phase) ‘Allmedia i assumed homogenous, saropc and linear ‘The induced currants ane neglected wa Bontage sense ‘The Cables Impedance Calculation ad¢-on module (ZMat) calculates the eleccal parameters {or cables necessary {or performing load fow and shor:-ccut studies atthe power frequency (S060 Hz). Tha calculation of impedances Is performed afer a steady-state ampacty or temperature simulaon has been successfuly competed. Tha Anal Fesults are he postive and zero sequence impedances and admitances forall the cables presenti the stallion ‘Allimpedance and admittance matrices are splayed in the report: starting from the prmktve mates per section er metalic component, the bonding mav'ces, then the phase and ovcult maces and finally the suing Symmotcal components matices, The folowing feauros ae supported: ‘+ Computation of he sequence impedances for ll the cables present in an installation > Computation af the sequence admitances forall cables present in an installation {+ Muttple cables por phase are supported {One or mare neutrals canbe represented and are takon into account in the caleulaions 1 Resistvty ofthe solcan be changed MICAPISCR, Short-Ciruit Cable Rating The Shor-Cirult Cable Rating (SCR) adé-on module is dedicated to the rating of cables for shor-secut curents. ‘The implemented method is based on the IEC Standard 808480 (188) “Calelation of thermally permissibi short creult Currents, taking info account nor-adiabtic heating effects". The CYMCAP program computes both adiabatic ard non-alabate ratngs. The module ofrs two posses accoring fo the krown input cata hitpssiwwn.cyme.convsofwareloymcan!2006/2028, 15:59 CYNE - Software, Power Cable Ampacity Rating ‘+ Compute tho manimum short-circuit curent that a cable component can cary given the shertcirult tine together with the nal and fal temperature + Compute the final tomporature that_a given eable component will reach for 9 specied short-oreut current, inal tomporatro, and Uno intral ‘Shor-crcultratngs can bo computed fo all mtaic layers supported in CYMCAP. + Conductor 2 Sheath Sheath Reinforcement 2 Concentie Neutral Sed Wires 2 xrmour a Sontag sesre ‘The Cieuits Crossing (King) add-on module allows the user to determine the steady-sale ampacty of wo ckeuts crossing each other. When two creuts cross each other, each of them behaves as a heat source forthe ather one. The amaunt of 10 the crossing ercults ane tho crossing angle are the main parameters ‘rossing rating. In the absonce of crossing calculations, tho goneral pracios is 10 use tho conservative resul! where the crculls are assumed lo be parallel. When the cicults are parallel, the thermal Interacton 's maximum. It goes to a minimum when they cross each other ata right angle, The conservative approach unnecessarly éeates both crculs. By using te Creuts Crossing module, one can achieve ratngs up to 20% nigher than the conservative ampactes that are abianed based onthe parallel intallation scenara, Macaling features inchide ‘+ Modotng of two circuits crossings wach other inthe same installation 1 Gieaits eressing directly buried uncergroun, In Buried ducts and In buried pipes underground {Rating approach as per the EC standard S0287-5-30 Copyright © 2020 hitpssiwwn.cyme.convsoftwareloymcan! 7