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

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

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<strong>SIMOVERT</strong> <strong>MV</strong>Engineering informationDimensioning the power section and driveDrive converter transformerApproximated required transformer power (min.):S transP Nloadcosj conv ¼h Nmot ¼h conv ¼k trans= <strong>kVA</strong> = <strong>kVA</strong>with k trans = ________reduction fac<strong>to</strong>r with regard <strong>to</strong> ambient temperature and installation altitude (<strong>to</strong> be clarified with the transformer manufacturer)Type________________ 3-winding for 12-pulse supplyRated output S N trans ˜S trans ________ <strong>kVA</strong>Rated voltage primary side V N grid ________ kVRated voltage secondary side V sec =V conv 2 x _____ kVImpedance voltage v k ________ %Insulation voltage secondary 1 ) ________ kVVec<strong>to</strong>r group (Dd0 Dy5 recommended)________Design (oil / dry / cast resin)________To help determine the driveconverter output options andthe cabling between drive converterand mo<strong>to</strong>r, a selection diagramis shown in Fig. 6/1.Please also refer <strong>to</strong> the furtherinformation on Page 6/19.Output optionsTransformerDrive converterYesSine-waveEMC filterStandardpowercableNo6.0/6.6 kVmo<strong>to</strong>r3 rd -party/old mo<strong>to</strong>r> 100 mOutputreac<strong>to</strong>rEMCcableYesNoCablelength< 100 mEMCcableFig. 6/1Selection of the drive converter output options and the cabling <strong>to</strong> the mo<strong>to</strong>rIHV output filter(integrated in<strong>to</strong> thedrive converter)Standardpowercable6Nominal data and continuous operation of the drive converterThe drive converters are dimensionedaccording <strong>to</strong> the rated 4.16 kV, 6.0 kV and 6.6 kV arevoltages of 2.3 kV, 3.3 kV,current of Siemens H-compact used as a basis.and H-compact PLUS highvoltagemo<strong>to</strong>rs. Rated mo<strong>to</strong>r continuous operation withThe drives are designed fortherated output current , N . If therated current , N is used over alonger period of time (> 60 s),corresponding <strong>to</strong> the 100% valueof Fig. 6/2, then the unitreaches the maximum permissibleoperating temperaturespecified.1) Please also refer <strong>to</strong> Page 6/17 for further information.Siemens DA 63 · 2004 6/3

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