... the 'BlueDrive PlusC' electric drive system from Siemens. In addition to the battery system, the hybrid drive consists of charging and discharging technology and the necessary control electronics. The energy storage system serves as a buffer for unused power from the generator sets. The drive system can be speed-adjusted and also includes an integrated warning and monitoring system. FinFerries should therefore benefit from low operating costs and savings in maintenance and repair costs. The two energy management and thruster control systems should also enable improved control and safety. The complete electrotechnical solution also includes ...