Wasaline opts for local WE Tech electric hybrid solution

The first RoPax ferry in the world with a Zero-Emission Sailing Mode. (Photo copyright: Kvarken Link) The first RoPax ferry in the world with a Zero-Emission Sailing Mode. (Photo copyright: Kvarken Link)
Industry Database

Rauma Marine Construction Oy (RMC) has awarded WE Tech the contract to deliver a hybrid electric propulsion solution. The solution includes propulsion drives, an energy storage system (battery banks and DCDC converters), main propulsion switchboards, shore connection switchgears, an Energy Management System and the Propulsion Control System. The solution will be installed on Wasaline’s new RoPax ferry being built by RMC in Rauma.

The Hybrid Electric Propulsion ferry will be equipped with four generators that supply energy for propulsion and electrical power demand in normal sailing mode. The RoPax will be the first ferry in the world to be fitted with a Zero Emission Sailing Mode, when the vessel will utilise battery banks for vessel propulsion and electrical power demand. The mode will be initiated in harbour manoeuvring mode.

While stationary in the harbour, the vessel’s electrical system and re-charging of the energy storage system will be supplied by a high-power shore connection.

The Energy Storage System (ESS) which is connected to the common DC-link of the main propulsion drives provides power for peak-shaving and back-up functionality, and as a single supply when in Zero Emission Sailing Mode.

WE Tech delivers the dedicated power and energy management system (DPMS) to control the energy flow and different operation modes as well as interface with the vessel’s automation system. The vessel’s bow thrusters are fed via dedicated inverters connected to the common DC-link,  tons of fuel and reduce emissions both at sea and in the harbour, saving substantial fuel consumption.

"Our tailored solution will help Wasaline to create substantial savings as well as reduce their carbon footprint,” said Mårten Storbacka, Managing Director of WE Tech Solutions, “Electrical load peak-shaving and the Zero Emission Sailing Mode will have a big impact on energy efficiency and emission reduction, and will reduce cost of operation. The solution package from WE Tech is significant and plays a major role in the construction of this next generation ferry, in terms of energy efficiency and sustainability.”

“Our guidelines in the design framework was to build the most sustainable and energy efficient RoPax ferry in the world. WE Tech Solutions' hybrid package will be a unique platform and a showcase for our industry,” said Tomas Häyry, Chairman of the Board in Kvarken Link.

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