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

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SIMOVERT MVSystem descriptionTechnical featuresPower section design (continued)2Fig. 2/3Modular and service-friendly:Air-cooled HV-IGBT Power-Cardof the motor-side drive converterFig. 2/4Modular and service-friendly:Water-cooled HV-IGBT Power-Cardof the motor-side drive converterLoad currentLow motor stressing using athree-level circuit designThe motor-side inverter utilizesa three-level circuit design. Thisresults, together with the propertiesof the HV-IGBT, in anessentially sine-wave outputcurrent. The low harmoniccomponent guarantees an excellentconstant torque with respectto time over the completespeed control range and lowmotor losses. Fig. 2/5SIMOVERT MV output current (current fundamental factor, typical g = 99%)MotorsWhen developing theSIMOVERT MV drive system,the motors were involved in theoverall design concept rightfrom the very start. Thus, theSIMOVERT MV drive convertersand the Siemens standardH-compact and H-compactPLUS motors are optimally harmonizedwith one another, bothfrom the economic and technicalperspectives. They do notrequire a special output filter foran optimum cost-effective solution.With output frequencies of upto 100 Hz (higher frequencieson request), the drive convertersare also suitable for feedingfast directly-coupled drives.Using an IHV-filter or theoptional output filter theSIMOVERT MV drive converterscan feed any other mediumvoltage,third-party inductionmotor:This means that fixed-speedmedium-voltage motors can beretrofitted to become variablespeeddrives using aSIMOVERT MV drive converter.2/4 Siemens DA 63 · 2004
SIMOVERT MVSystem descriptionTechnical featuresLine supplyCircuit-breakerMedium-voltage circuit-breaker,converter-controlledDrive converter transformerThree-winding transformer to adapt the voltageto the medium-voltage line supply. It provides twovoltage systems, rotated through 30° electrical for12-pulse line-side operation and less harmonic effectson the supply2Line-side drive converterSeries circuit of 2 uncontrolled diode rectifiers in a threephasebridge circuit configuration to generate the DC linkvoltageDC link capacitorsMaintenance-free and self-healing MKK capacitors ina parallel circuit configuration to smooth the DC linkvoltage. The number of capacitors depends on the driveconverter outputDC link DC voltage PTPT to sense the actual DC link voltageMotor-side inverter3-phase units comprising the HV-IGBT anddiode Power-Cards.Combined electronic PT and CT on the motor sideCT/PT to sense the actual output voltages and motorcurrents MotorSquirrel-cage induction motor with a medium-voltagewindingFig. 2/6Block diagram of a SIMOVERT MV driveSiemens DA 63 · 2004 2/5
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H-compact PLUSmodular high-voltage
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Cooling Cooling Partial load values
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Cooling Partial load values for pum
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SIMOVERT MVDocumentation5/2 Documen
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Water coolingGeneral informationThe
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Motors 6.0 kV and 6.6 kVSIMOVERT MV
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Indoor cable entrance fittings (con
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SIMOVERT MVDimension drawings7/2 SI
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SIMOVERT MVDimension drawingsSIMOVE
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Water-cooled drive converters 2 x 4
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SIMOVERT MVDimension drawingsHigh-v
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SIMOVERT MV1LA4 rib-cooled, self-ve
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SIMOVERT MV1PQ4 rib-cooled, force-v
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H-compact PLUS shaft height w 560 1
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H-compact PLUS shaft height 630 1RA
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H-compact PLUS shaft height 630 1RN
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H-compact PLUS shaft height 630 1RQ
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SIMOVERT MVAppendixA/2 Environment,
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SIMOVERT MVAppendixOrder number ind
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PageAAir-cooled drive converters fo
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SIMOVERT MVAppendixSiemens contacts
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SIMOVERT MVAppendixCustomer Support
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SIMOVERT MVAppendixNotesASiemens DA
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SIMOVERT MV Medium-Voltage Drives 660 kVA to 9100 ... - Industry

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