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

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MotorsSIMOVERT MVRib-cooled H-compacthigh-voltage motorsTechnical dataThe H-compact high-voltagemotors are rib-cooled squirrelcageinduction motors. Theyhave an extremely compacttype of construction. Togetherwith SIMOVERT MV drive converters,they form a high-performancedrive system in the outputrange from 0.8 MW to3.6 MW (shaft heights 500 to630). The motors are availablein two different versions:¦ Self-ventilated (1LA4)¦ Force-ventilated (1PQ4)They are especially suitable forapplications which require¦ high efficiency and/or¦ high torques even at lowspeeds.The essential features of themotors include:¦ High power density¦ Compact type ofconstruction¦ Enclosed design with degreeof protection IP55, optionalup to IP56¦ Optimized efficiency for ahigh degree of costeffectiveness¦ Torsionally stiff, rugged castiron enclosure and bearingendshields¦ Reliable bearing designwith either rolling-contact orsleeve bearings¦ All of the parts have longtermcorrosion protection¦ MICALASTIC VPI highvoltageinsulation (VacuumPressure Impregnation)¦ Filters are not requiredbetween the drive converterand the motor¦ Low noise¦ Essentially maintenance-free4Fig. 4/11LA4 high-voltage motor, type of construction IM B3 (horizontal)Fig. 4/21LA4 high-voltage motor. type of construction IM V1 (vertical)Cooling principleH-compact motors have twocooling air circuits: an enclosedinner cooling air circuit and anopen outer cooling air circuit.The air is blown through the innercooling air circuit using ashaft-mounted fan; the heat isdissipated to the outer coolingair circuit through the motor enclosurewhich acts like a heatexchanger. In the outer coolingair circuit, the air is blown overthe cooling ribs of the motor enclosure.This is realized using ashaft-mounted fan for self-ventilated1LA4 motors or using aseparately-driven fan, integratedin the fan shroud, for forceventilated1PQ4 motors.Fig. 4/3Cooling principle of H-compact motorsOuter cooling airflowInner cooling airflowDA63-50134/2 Siemens DA 63 · 2004
Rib-cooled H-compacthigh-voltage motorsOverview of the standard version and most important optionsStandards and regulationsType of constructionAdditional options as with fixed-speed motors or on requestSIMOVERT MVMotorsK96K96 + L60A16A40A41A024Standard Option CodeIEC, VDE, DIN, ISO, ENIM B3, IM V1Degree of protection IP55 IP56 K51Cooling type IC 411(1LA4, self-ventilated)IC 416(1PQ4, force-ventilatedseparately-driven fan Supply voltage:400 V / 50 Hz or 460 V / 60 HzTolerances: voltage ± 10%, frequency ± 3%)Bearing design Rolling-contact bearings Sleeve bearings with natural coolingSleeve bearings with circulating oil coolingMonitoring functionsAnti-condensation heatingTerminal box arrangement6 slot resistance thermometers PT100 in the stator winding in a three- or four-wire circuit6 PTC thermistors for alarm and shutdown in the statorwindingPT100 resistance thermometer in the bearingsfor rolling-contact bearing motor versionsfor sleeve-bearing motor versionsMeasuring nipples for shock pulse measurement at the DE and NDE(for rolling-contact bearings)Bently Nevada shaft vibration probe(for sleeve bearings)DE right,Cable entry from belowSupply voltages110 – 120 V220 – 240 V400 V500 VDE left,cable entry from belowSpecial paint finish Standard color RAL 7030Non-standard colorMounting rotary pulse encodersDirection of rotationHOG 10 D 1024 Iwith integrated shaft grounding (Hübner Berlin)clockwisecounterclockwiseM12M13L08L09K10K26Y54H76K97K98NoiseThe table contains the noiseemission values for H-compactmotors of the 1LA4 series.They apply to the following conditions:¦ No-load operation withsine-wave infeed at the quotedfrequency¦ Measuring methods in accordancewith DIN EN 21680-1¦ Tolerance +3 dB(A)¦ Bearing design as listed andstandard fanType 1LA4 No. of poles Measuringsurface levelShaft heightL adB(A)Measuring surface soundpressure level at50 Hz 60 HzL pAdB(A)L pAdB(A)Allowanceunder loadapprox.dB(A)500 mm 4 16 81 85 2 yes6 16 75 79 3 yes8 16 72 76 4 yes560 mm 4 17 83 88 2 yes6 17 78 82 3 yes8 17 74 78 4 yes630 mm 4 18 85 90 2 yes6 18 80 84 3 yes8 18 76 80 4 yesdependenton rotatingdirection 1 )1) Order code K97 (clockwise rotatingdirection) or K98 (counterclockwiserotating direction) obligatory.Siemens DA 63 · 2004 4/3
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SIMOVERT MV Medium-Voltage Drives 660 kVA to 9100 ... - Industry

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