Three-phase asynchronous motors
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Three-phase asynchronous motors - 1

Three-phase asynchronous motors for low voltage with squirrel-cage rotor with EU efficiency classification

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Contents Page Introduction 3 Standards and regulations 4 Efficiency 5 Bearings / Bearing lubrication 5 Use of cylindrical roller bearings 5 Vibration behaviour 6 Noise behaviour 6 Ambient temperature 6 Overloading 6 Motor protection 6 Tolerances – electrical parameters 7 Tolerances – mechanical parameters 7 Motor selection data 8 Noise data 12 Design selection data – bearing arrangements 13 Bearing arrangements – figures 15 Design selection data – dimensions 16 Paint finish 20 Pole-changing motors 20 Sales organizations 21 Product overview 24 Note: We make all efforts to better our...

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Standards and regulation The motors comply with the relevant standards and regulations, particularly with the following: Title DIN EN / DIN VDE IEC Rotating electrical machines, rating and performance Rotating electrical machines, methods for determining losses and efficiency Totally enclosed three-phase induction motors with squirrel-cage, type IM B3 Totally enclosed three-phase induction motors with squirrel-cage, type IM B5, IM B35 and IM B14 Rotating electrical machines, terminal markings and direction of rotation Rotating electrical machines, symbols for types of construction and...

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Efficiency The General Directorate Energy of the Europeam Commission and CEMEP as an association of the European motor and drive manufacturers have, in a Voluntary Agreement, settled to classify three-phase low voltage asynchronous motors according to their efficiency. The Agreement includes all two-pole and four-pole standard motors in the output range between 1 and 100 kW, and the classification is done by labelling the motors with one of the three classes eff1, eff2, eff3, where eff3 is attached to motors with nowadays usual efficiencies, eff2 belongs to motors with significantly...

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Vibration behaviour The permissible vibration intensities of electric motors are specified in DIN EN 60034-14. stages R (reduced) and S (special) are available at extra carge and depending on the type. Please consult the manufacturer. The vibration intensity stage N (normal) is achieved or bettered by VEM motors in the basic version. The vibration intensity According DIN EN 60034-14 the following intensities are recommended: Vibration intensity stages Speed range rpm Limit values of vibration velocity (mm/s) in frequency range 10 to 1000 Hz for sizes 80 – 112 132 – 200 225 – 400 N (normal)...

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Tolerances – Electrical parameters As specified by DIN EN 60034-1/02.99 the following tolerances are permissible: - 0.15 (1-η) at PN ≤ 50 kW - 0.1 (1-η) at PN > 50 kW 1-cosϕ min. 0.02 6 max. 0.07 ± 20 % PN ≥ 1 kW ± 30 % PN < 1 kW + 20 % no restriction downwards - 15 % and + 25 % - 15 % - 10 % (with the application of this tolerance MK/M at least 1.6) ± 10 % + 3 dB (A) Efficiency (indirect calculation) Power factor Slip (at rated load and operating temperature) Starting current (in the planned starting circuit) Starting torque Pull-up torque Pull-out torque Moment of inertia Noise level...

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Bearing arrangement Figures Design selection data 15

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Three-phase motors with squirrel-cage rotor, basic version with surface ventilation, cooling method IC 411, degree of protection IP 55 Design selection data Dimensions Type of construction IM B3/ IM 1001 Type of construction IM B35 / IM 2001 Type of construction IM B5 / IM 3001 IM V1/ IM 3011 16

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Three-phase motors with squirrel-cage rotor, basic version Three-phase motors with squirrel-cage rotor, Transnorm version with surface ventilation, cooling method IC 411, degree of protection IP 55 with surface ventilation. cooling method IC 411, degree of protection IP 55 Design selection data Dimensions Type of construction IM B3/ IM 1001 Type of construction IM B35 / IM 2001 Type of construction IM B5 / IM 3001 IM V1/ IM 3011 17 18

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Paint finish Three-phase motors with squirrel-cage rotor, Transnorm version with surface ventilation, cooling method IC 411, degree of protection IP 55 Normal finish • adapted for group of climates ‘moderate‘ acc. to IEC 721-2-1 Weather protected and non-weather protected locations, open-air-conditions, short-time up to 100 % relative air humidity at temperatures up to +30 °C, continuously up to 80 % relative air humidity up to +25 °C. Finish system Sizes 56 – 112 - all components except plastic parts (terminal box, fan cover) and aluminium terminal boxes: prime plastic paint, layer...

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Portugal TECLENA S.A. Rua dos camponeses, 390 Vale Sepal P-2401-972 LEIRIA Spain COSGRA S.A. Ctra. Banyoles a Figueres, km 9 E-17832 CRESPIÀ (Girona) Sweden VEM Nordisk Elektra AB Travbanegatan 4 Box 9023 S-20039 Malmö Phone: +3 51-24 48 60 90 Fax: +3 51-24 48 12 83 2 teclena.leiria@mail.telpac.pt Phone: +34-9 02-40 52 05 +34-9 72-59 78 07 Fax: +34-9 72-59 72 33 cosgra@cosgra.com Phone: +46-40-6 71 29 00 Fax: +46-40-22 99 44 sales@nordiskelektra.se Romania Reprezentanta Romania Bd. Carol/30/ap. 26 RO-703342 Bucuresti Phone: +40 21/3 15 47 63 Fax: +40 21/3 15 47 51 vem@pcnet.ro Alexandrù...

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ABBA Drive E&M Co., Ltd. Room 908, Nan Fung Commercial Centre 19 Lam Lok Street Phone: +852.27 51 79 17 Kowloon Bay Fax: +852.27 59 53 35 Hong Kong abba@vem-motor.com.hk Indonesia PT GUNA ELEKTRO JI. Arjuna Utara 50 Jakarta Barat 11510 P.O.Box 2280/JKT 10022 Iran IFCO Iran Fareast Co., Ltd. Unit 901, 9th. Floor Anahita Tower (No. 184) Africa Avenue 19176 Tehran/Iran Phone: +62.21.564 4838 Fax: +62.21.565 5030 IrwanWibisono@GAE.Co.id Phone: +98.21.88 70 732 Fax: +98.21.88 70 733 Service-Partner MES Maintech Engineering & Supplies Pte. Ltd. 7 Joo Koon Crescent Phone: +65.8 62 52 25 Singapore...

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