Main benefits of electric propulsion 

• high overall efficiency
• high availability
• low operating costs
• low maintenance
• size and weight savings
• low noise and vibration levels.

SD7000 solution: mature and proven technology 

An extensive range of ship types bear out the efficiency of the synchronous drive solution. The synchronous motor and synchroconverter solution is well adapted to ships with high power requirements and equips many cruise ships including the legendary Queen Mary 2 with four 21.5MW synchronous motors.

PWM MV7000 Converter and Induction Motor Solution: a major step forward

Converteam has adopted the press-pack technology for the new MV7000 medium voltage PWM converters. Combined with induction motors, these converters significantly enhance electric propulsion in terms of efficiency, ease of maintenance and low noise & vibration levels. There is no need for harmonic filtering and a powerful encoderless controller further optimizes the total power & propulsion plant design.

High Torque Density Induction Motor: - simpler design with    squirrel cage rotor - robust technology:   no brushes, no rotor   windings, no field exciter - fully suited to Marine   applications: large air gap,   high efficiency, low noise   & vibration level

Press-Pack IGBT technology: - excellent overall efficiency - robustness - compactness: large   voltage & current ratings   limit the number of   components

Powerful controller: - High performance   torque & speed control   over the whole speed   range - High accuracy variable   speed control - self-compensating   encoderless vector control - fully adjustable PWM   strategy improving system   flexibility and noise &   vibration response - anti-overload limitation,   anti-blackout system