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- Three-phase asynchronous motors for low voltage with ssquirrel-cage rotor
Three-phase asynchronous motors for low voltage with ssquirrel-cage rotor
Three-phase asynchronous motors for low voltage with ssquirrel-cage rotor
VEM's three-phase asynchronous motors are designed for versatility, high performance, and environmental compatibility, suitable for the European market. They comply with various standards and meet energy efficiency requirements, promoting environmentally-friendly power generation.
Standards and Regulations: VEM motors comply with international standards such as DIN EN and IEC, ensuring compatibility and safety, including explosion protection and energy efficiency.
Design and Construction: Available in various series for specific applications, featuring different cooling methods, protection degrees, and mounting options.
Cooling and Ventilation: Equipped with radial fans for effective cooling, independent of rotation direction.
Vibration and Noise: Meet or exceed standard vibration intensity levels, with options for reduced or special vibration levels.
Bearings and Lubrication: Use high-quality anti-friction bearings with a minimum lifetime of 20,000 hours.
Classified under CEMEP and EPAct for high efficiency, aligning with global energy-saving initiatives.
Available in versions for hazardous environments, including increased safety, flame-proof, and non-sparking designs.
Motors for frequency inverters, brake motors, and ship use, with forced or non-ventilated cooling methods.
Detailed dimensions and spare parts information ensure proper maintenance and replacement.
Handle large radial forces, suitable for applications like belt drives and heavy couplings.
Design limited by international standards, with permissible shaft end loading determined by shaft bending, fatigue strength, and bearing lifetime.
Noise measurements follow DIN standards, with sound pressure levels for different motor sizes.
Different paint finishes for moderate and extreme climates, with specifications for layer thickness and paint types.
Defined according to IEC standards, with specifications for keyways and threads.
Designed for specific voltages and frequencies, with tolerances for deviations.
Can operate under various conditions, including overload capacity and ambient temperature ranges.
- Duty Type S6: Continuous-operation periodic duty with no rest period.
- Duty Type S7: Similar to S6 but includes electric braking.
- Duty Type S8: Involves load/speed changes with identical duty cycles.
- Duty Type S9: Non-periodic load and speed variations with frequent overloads.
- Duty Type S10: Contains up to four individual constant loads.
Designed for constant or quadratically increasing load torque, configurable with different winding connections.
The WE1R Series is designed for high efficiency, complying with European and North American standards.
Can operate with frequency inverters, with special measures for certain models.
Factors affecting torque and temperature include motor design, inverter parameters, and load conditions.
Customizable with components like pulse generators, brakes, and ventilation units.
Combine a three-phase squirrel-cage motor with a built-on brake, offering various braking torques and configurations.
Designed for supplementary units on ships, meeting specific climatic and mechanical requirements.
Recommended for increased output at lower speeds or reduced noise levels.
Lack their own fan, leading to reduced output due to decreased cooling.
Designed for potentially explosive environments, complying with various safety standards.
Electrical machines must be protected against overheating using current-dependent delayed protective switches.
Must adhere to safety regulations, with work affecting explosion protection performed by specialists.
Designed to operate under high temperatures during fires, classified into categories F200 to F600.
Motors used in jet fans or air ducts rely on external fan units for cooling, allowing for increased output.
Subjected to extreme temperatures, potentially leading to material disintegration.
Details include standard IP 55 and explosion-protected versions, compliance with VIK recommendations, and offshore painting systems.
Electrical and mechanical tolerances specified according to DIN EN 60034-1.
Speed limits for various motor series provided, detailing synchronous speeds at 50 Hz.
Noise levels for different motor types and configurations outlined.
Lists common construction types and their compatibility with various motor sizes.
Specifications for standard, ship, and VIK versions of terminal boxes provided.
Specifications: Mode of Operation: S1, continuous duty; Insulation Class: F; Degree of Protection: IP 55.
Efficiency and Power Factor: Detailed efficiency and power factor data for various motor types at different load levels.
Motor Selection Data: Includes motor selection data for three-phase motors with squirrel-cage rotors.
Key Data Extraction: Extensive tables with data on motor performance.
Conclusion: Provides comprehensive technical specifications and performance data for a range of three-phase motors.
Specifications: Available in various power ratings and synchronous speeds.
Motor Types: Includes K21R and K20R series.
Applications: Suitable for applications requiring variable speed and load torque.
Additional Features: Some models offer a ∆-circuit on request.
Specifications: Design Voltage: 480 V, 60 Hz; Synchronous Speeds: Available in 2-pole, 4-pole, 6-pole, and 8-pole versions.
Motor Data: Power Output: Ranges from 0.12 kW to 135 kW.
Recommendations: Consult detailed motor selection data for specific applications.
Conclusion: Comprehensive guide for selecting explosion-protected motors.
Motor Types and Certifications: Categorized by synchronous speed and pole versions.
Design and Safety Standards: Designed for increased safety and flame-proof enclosure.
Performance Data: Detailed performance data provided.
Applications: Suitable for environments requiring explosion protection.
Specifications: Voltage and Frequency: 400 V, 50 Hz; Insulation Class: F; Degree of Protection: IP 65 for Zone 21, IP 55 for Zone 22.
Motor Types and Performance Data: Includes 2-pole, 4-pole, 6-pole, and 8-pole motors.
Design and Construction: Rotor Type: Squirrel-cage; Construction Types: IM B3, IM B35, IM B5.
Applications: Suitable for environments with combustible dust.
1. Specifications: Detailed specifications for three-phase motors with squirrel-cage rotors.
2. Motor Models and Performance: Lists multiple motor models categorized by synchronous speed.
3. Spare Parts: Comprehensive list of spare parts provided.
4. Ordering Information: Instructions for ordering spare parts.
5. Contact Information: Includes contact details for VEM motors GmbH.
Catalog excerpts
Contents Introduction5Technical explanations7Basic version67Energy saving motors as specified in CEMEP135Energy saving motors as specified in EPAct139Motors for use on a frequency inverter143Brake motors149Motors for use aboard ships163Forced-ventilated motors,cooling method IC 416171Non-ventilated motors,cooling method IC 410175Explosion protected motors in version"Increased safety e",EEx e II 2G179Explosion protected motors in version"Flame-proof enclosure",EEx d II 2G / EEx de II 2G189Explosion protected motors in version"Non-sparking",EEx nA II 3G193Dust-explosion protected motors Motors...
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Technical Explanations Standards and regulationsProgressive coordination of outputDesign versionCooling and ventilationDegree of protectionVibration behaviourBearings/Bearing lubricationUse of cylindrical roller bearings Shaft end and bearing loadsNoise behaviourPaint finishShaft endsDesign voltage and frequencyDesign voltage range and design frequency rangeDesign outputMotor torqueAmbient temperatureOverloadingDesign efficiency and power factorRestarting during residual field and phase oppositionMotor protectionDuty typesPole-changing motorsEnergy-saving motors as specified in CEMEP High Efficiency...
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TitleDIN EN/DIN VDEIEC > Rotating electrical machines, rating > DIN EN 60034-1IEC 34-1 and performance > IEC 85 Rotating electrical machines, > DIN EN 60034-2IEC 34-2 Methods for determining losses and efficiency Induction motors, type IM B3, mounting dimensions > DIN 42673(IEC 72) and relationship frame sizes output ratings Induction motors, type IM B5, IM B35, IM B14, mounting > DIN 42677(IEC 72) dimensions and relationship frame sizes ֖ output ratings Terminal markings and direction of rotation for > DIN VDE 0530 Teil 8IEC 34-8rotating electrical machines Rotating electrical machines, > DIN...
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Regulations Cooling air temperaturePermissible limits of temperature rise in K(measured by resistance method) thermal class CAEBFHDIN EN 60034-140607580105125IEC 34-140607580105125 Great Britain BS40607580105125 Italy CEI40607080105125 Sweden SEN40607080105125Norway NEK4060-80105125Belgium NBN40607580105125 France NF40607580105125 Swizerland SEV40607580105125 Germanischer Lloyd45557075100100 American Bureau of Shipping5050657090115 Bureau Veritas4550657090110 Norske Veritas4550657090115LloydБs Register4550657095110 Russian Register 40/45607585110125 > VEM three phase motors with squirrel-cage...
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The motors are equipped with radial plastic or aluminiumalloy fans, which cool independently of the direction of rotation of the motor (IC 411 as specified in DIN EN 60034-6).Attention is to be paid that a minimum distance of thefan cover from the wall is maintained (dimension Bl) when the motor is being installed.TypesMaterialsFanFan coverKPER/KPR/K21R 56-112Plastic > 1) Sheet steelPlastic > 2) K21R/K11R 132-225Plastic > 1) Sheet steelPlastic > 2) K21R/K11R 250-315LPlastic > 1) Sheet steelK21R 315LX2, 4Cast aluminium alloySheet steelK22R 355Cast aluminium alloy > 3) Sheet steelK20R 56-100Plastic...
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Permissible shaft end loading The size of the permissible shaft end loading is determined by the following principle criteria:- permissible bending of the shaft - shaft end fatigue strength - bearing lifetimeThe permissible shaft end loading (radial and axial forces)is based on a rated bearing lifetime of 20,000 hours and a security against fatigue failure of > 2.0. The following figure is given as a load diagram. F > r and F > a are dependent on thetransmission members used, i.e. on the axial and radial forces occurring at these transmission members including their weights.The forces are calculated...
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Paint systems Size 56 132T - all components synthetic basic primer, layer thickness ֢ɥ 30 m > Normal finish ?Suitable for Ցmoderate climatic group as specified in IEC 721-2-1 Weather protected and non-weather protected loca- tions, up to 100 % relative air humidity at temperatures up +30 ѰC for a short time, up to 85 % relative air humidity at temperatures up to +25 C continuously Paint systems Тɥ 30 m- finish coat water-soluble paint with layer thicknesses 30 յm to 60 m-Special requirement dual component paint, layer thickness Sizes 56 Ֆ 132T -all components apart from plastic parts (terminal...
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Motors that are to be used for mains voltage with a general tolerance of 10 % as specified in DIN IEC 38 are to beselected according to the corresponding design voltage listed in the technical tables. The design voltage range restricted by U > N u and U > o is also given there. If the motors are connected to voltages between 95 %and 105 % of the design voltage range і this will corre- spond to the relevant mains voltage value as specified in DIN IEC 38 with 10 % і it will already be permissible to y Related voltage U/U > N Voltage and frequency limits for motors DIN EN 60034-1 exceed the permissible...
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Efficiency η and the power factor cos ϕ are given in thelists of the motor selection data. > It is possible to restart all motors after a network failure with 100 % residual field. > The following variations of motor protection are possible, if ordered: -Motor protection with thermistor temperature sensors in the stator winding-Bimetal temperature sensor as opener or closer in the stator winding- Silicium diodes- Resistance thermometer to monitor winding or bearing temperature- Bearing vibration diagnosis > Special types of operation for switched operation, short- time operation or electrical...
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LoadElectric losses Temperature Maximum temperature TimeOperation with constant load > ∆ t LoadElectric losses Temperature Maximum temperature TimePeriod of one cycleOperation with constant load At rest and de-energised Cyclic duration factor = > p / T > C
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∆ t LoadElectric losses Temperature Maximum temperature Time Period of one cycleStartingOperation with constant load At rest and de-energised Cyclic duration factor = ( > D + ∆ t > p )/ T > C LoadElectric lossesTemperatureMaximum temperatureTimePeriod of one cycleStartingOperation with constant loadElectric brakingAt rest and de-energised Cyclic duration factor = ( ∆ t > D + ∆ t > p + ∆ t > F )/ T > C
Open the catalog to page 17All VEM motors catalogs and technical brochures
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