SIMOVERT MV Medium-Voltage Drives 660 kVA to 9100 ... - Industry

SIMOVERT MVEngineering informationSystem componentsGeneral technical dataRated voltage for driveconverter operationAC test voltageConductorsInner semi-conductive layerMaterial:Wall thickness:Insulating layerMaterial:Wall thickness:Outer semi-conductive layerMaterial:Wall thickness:Core screenNominal cross-section:¦ for a nominal conductor crosssection35 to 120 mm²¦ for a nominal conductor crosssection˜ 150 mm²The nominal cross-section of thecore screen is the sum of thecross-sections of all indiv. corescreens.Core codingCore sheathMaterial:6.6 kV21 kVCopper, stranded, compressed,acc. to IEC 60228, Class 2Rubber0.6 mm (nominal value)Ethylene-Propylene rubber (EPR)acc. to IEC 60092-351acc. to IEC 60092-354Rubber0.7 mm (nominal value)All of the cores are wound with twocopper tapes16 mm²25 mm²Numbers are printedon the conductors 1-2-3on the black external layerPolyolefine compound, blackArmouringCross-section:SheathMaterial: 3GSEH and 3GSEGCH:Wall thickness:Material: 3GSEGCY:Wall thickness:Corrosive propertiesof the combustion gasesSpun bare copper wireswith a helically applied bare coppertape acc. to IEC 60092-354.approx. 0.5 conductor cross-section,geometricalSHF1 compound acc. toIEC 60092-359, redacc. to IEC 60092-354ST2-PVC mixtureacc. to IEC 60092-351Test acc. to IEC 60754-23GSEH and 3GSEGCHSmoke density Test acc. to IEC 610343GSEH and 3GSEGCHTemperatures:Permissible operating temperatureof the conductormax. 85 °CCable/ambient temperature whenlaying cablemin. –10 °C, max. 55 °CCable temperaturewhen routedmin. –30 °CMin. bending radii15 x outer cable diameter when bentseveral timesStrainMaximum permissible tension:Permissible operating duration fora conductor fault to ground50 N/mm² x (sum of the crosssectionsof all conductors, mm²)In non-grounded networks: max. 8 h;however, a total of not more than125 h within one year.Capacitance in operation C’ b or conductor/core shield capacitanceat 85 °C (nominal values)Cross-section mm 235 50 70 95 120 150 185Capacitance µF/km 0.28 0.30 0.35 0.39 0.42 0.46 0.5Current carrying capacityof the conductorsFor continuous operation, at45 °C ambient temperature;max. 6 cables, horizontallyCorrection factorsFor other ambient temperatures,the maximum specifiedpermissible currents must bemultiplied by the followingfactors k:arranged, side-by-side, free aircirculation around the cablebundle, other routing types,refer to Table on the right or theliterature [2] on Page 6/26.Core number: 3Conductor cross-section in mm 235 50 70 95 120 150 185Current rating [A] 102 126 158 193 224 256 291Ambient temperature [°C]Conversion factors for bundles of three-core cables in three-phasesystems in/on cable ducts:¦ Cable in one layer without any clearances to one another on a cable duct(cable tray)¦ A cable duct is a support system where the supporting metal workcovers less than 10% of the plan area of this system¦ Vertical clearance between cable ducts to one another: > 300 mmNumber of cable Number of cablesductsinstalled one on topof the other 1 2 3 4 6 91 1.27 1.10 1.04 1.01 1.00 0.992 1.27 1.09 1.01 0.99 0.96 0.923 1.27 1.08 1.00 0.96 0.92 0.896 1.27 1.05 0.96 0.92 0.87 0.84Values have been taken from the Cable Manual [2].30 35 40 45 50 55 60 65 70 75Correction factor k 1.17 1.12 1.06 1.00 0.94 0.87 0.79 0.71 0.61 0.56Siemens DA 63 · 2004 6/21