Used 3,6 MW AEM electric motor, 1800rpm, 690V, LR class, built 2015

Used, 3,6MW AEM electric motor, 1800 rpm, 690V, LR Class, built 2015.

Price 100.000,-- EUR, each, excl. VAT.

6 Months warranty.  

Hardware condition

E-Motor has been built in 2015, tested at AEM, used at RENK for a few hours for testing, repaired by AEM, tested at AEM, and stored at RENK. During the storage years at RENK the rotor has not been turned, although periodically required for the roller bearing condition .  

Environmental condition

Application:  Main propulsion for vessel

Ambient air temperature: min. .  -2 nom. 45 °C

Installation altitude: < 1000 masl

Inclination:  Acc. class notification  

Motor design    

Motor application:  EPM   Electric propulsion motor

Motor type:  ASM   Asynchronous motor

Manufacturer/Brand:  AEM  Anhaltische Elektromotorenwerk Dessau GmbH

Manufacturer type code:  WH 630 LL4  

Amount of Winding system:   2  

Winding configuration:  delta  

Insulation class:  class H  

Utilization of insulation class: class H  

Duty type (load cycle):  S1  100% continuous operation

Rated speed: nom. 1800 rpm @ 60 Hz

Rated mech. power: nom. 3600 kWm

Direction of rotation view at output flange:  CW / CCW  

Rated efficiency: nom. 96,4 % Stated in offer

Vibration class:  A  ? 2,3 mm/s

Applicable standards/rules:  General  DIN EN  60034  

Classification: LR Lloyd’s Register

Electrical Data    

Rated voltage:

- V1 nom. 690V

- V2 660V

Rated current:

- I1 nom. 3402A

- I2 3576 A

Power factor:

- cos phi 1 nom. 0,9

- cos phi 2 0,9  

rated mech. power: nom. 3600 kWm

rated frequency:  60  Hz

Supply type:  VFD  Variable frequency drive

Note: both winding systems have to be in operation

Mechanical Data    

Type of construction:  IM B20  hoisted feet

Frame size:  630 mm

Length, overall:  2744 mm

Weight:  10.810 kg

Rotor moment of inertia:  144,6 kgm²

Bearing NDE side:  antifriction   insulated bearing seat

Bearing DE side:  antifriction  Insulated bearing seat

Shaft execution:  solid shaft  

Enclosure protection:

- motor frame IP 55  

- main terminal box IP 55  

- sensor terminal box IP 55  

- heater terminal box IP 55  

Painting:  RAL 9003  Maritime / high gloss

Cooling System    

Cooling type:  IC 71 W  Water jacket cooled with internal fan on rotor

Max. Cooling water inlet temperature:  38 °C

Cooling water outlet temperature:  46 °C

Cooling water quality:  Freshwater  

Cooling water quantity:  280 l/min

Max. amount of glycol:  30 %

Auxiliary Equipment    

Earthing brush: yes with wear indication  DE side

ACH (Anti Condensation Heater): yes 230 VAC

Winding temperature sensors: yes Duplex PT100  1 per phase (6 total)

Bearing temperature sensors: yes Duplex PT100  1 per bearing (2 total)

Speed encoder: yes Incremental encoder  NDE side; HOG10-DN-1024-R

Vibration pick-up:  SPM nipples  One for each bearing

End of the technical description.

Montage and maintenance manual, in German language only, is digital available.    

Non-binding offer.

Sales agreement, terms, and conditions, to be negotiated with the interested party. Please contact us for more information.