Viking Legend River Cruise Ship

The MS Viking Legend is the world's first river cruise ship with a diesel-electric drive system. The ship’s innovative drive concept makes it particularly quiet, and extremely environment friendly thanks to its 20 percent less fuel consumption.

The “Viking Legend” is equipped with 3 three-phase asynchronous generators and 6 three-phase asynchronous motors. Two AH 400 M4 generators coupled with diesel motors allow for the operation of four AH 315 ML4 motors for stern thruster drives via converters. The third AH LL4 315 generator is also coupled with a separate diesel motor and assumes the power supply for the two AH 315 L6 bow thruster motors, again via converters.

Technical data

Type AH 315 ML4
Number of units4
Machine typemotor / asynchronous
Degree of protection IP 23
Cooling systemIC 01
Rated speed [rpm] 1.780
Rated power [kW] 350
Rated voltage [V] 690
Rated frequency [Hz] 60
Shaft height [mm] 315
MountingIM B3
Rotor typesquirrel cage
Type AH 315 L6
Number of units2
Machine typemotor / asynchronous
Degree of protection IP 23
Cooling systemIC 01
Rated speed [rpm] 1.189
Rated power [kW] 315
Rated voltage [V] 690
Rated frequency [Hz] 60
Shaft height [mm] 315
MountingIM B3
Rotor typesquirrel cage
Type AH 315 LL4
Number of units1
Machine typegenerator / asynchronous
Degree of protection IP 23
Cooling systemIC 01
Rated speed [rpm] 1.115
Rated power [kVA] 560
Rated voltage [V] 690
Rated frequency [Hz] 60
Shaft height [mm] 315
MountingIM B3
Rotor typesquirrel cage
Type AH 400 M4
Number of units2
Machine typegenerator / asynchronous
Degree of protection IP 23
Cooling systemIC 01
Rated speed [rpm] 1.814
Rated power [kW] 1.000
Rated voltage [V] 690
Rated frequency [Hz] 60
Shaft height [mm] 400
MountingIM B3
Rotor typesquirrel cage

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