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36  SUSTAINABILITY SPECIAL                                              CHARGING PIN                                                                                                              TRANSFORMER IN THE WORKS                        37
                                                                                                                                                                                                         At the point at which construction of the fi ve vessels was
                                                                                                                                                                                                         almost ready to begin, a change in requirements was
                                                                                                                                                                                                         announced. Movia wanted to extend its ferry route by an
                                                                                                                                                                                                         additional four stops, increasing the length of the route
                                                                                                                                                                                                         by roughly 50% and taking the ferries into Copenhagen’s
                          AUTO-MOORING                                                                                                                                                                   port area,” explains sales manager Martin. As part of the
                          SYSTEM
                                                                                                                                                                                                         expansion, two additional vessels were requested from
                                                                                                                                                                                                         Damen.

                                                                                                                                                                                                         The route extension signifi cantly impacted the scope of the
                                                                                                                                                                                                         project, affecting the duration of each route, the power
                                                                                                                                                                                                         demands on each vessel, and the charging facilities installed
                                                                                                                                                                                                         to supply that power. We investigated ten scenarios for a fully-
                                                                                                                                                                                                         integrated solution to the route extension, ultimately deciding
                                                                                                                                                                                                         the project expansion required an innovative charging solution
                                                                                                                                                                                                         to be installed at the port area terminal,” Martin states.

                                                                                                                                                                                                         Stronger weather conditions, producing a larger wave impact
                                                                                                                                                                                                         in the port area, affects movement of the ferries at the jetty,
                                                                                                                                                                                                         which must therefore be secured in order to access the
                                                                                                                                                                                                         charging system. Damen’s solution to this challenge was to
                                                                                                                                                                                                         develop an auto-mooring system that controls the motion
                                                                                                                                                                                                         of the vessel and secures it to the jetty as its batteries are
                                                                                                                                                                                                         charging. This solution largely increases the safety around the
                                                                                                                                                                                                         integral system.

                                                                                                                                                                                                         The auto-mooring system was designed and engineered
                                                                                                                                                                                                         in collaboration with Damen’s Winch Department. The
                                                                                                                                                                                                         development of this mechanical system required the
                                                                                                                                                                                                         measurement of wave dynamics and calculation of the forces
        POWERING UP                     As the vessels dock bow-fi rst,   During development of the charging solution,                                                                                   involved in vessel turbulence in order to produce a secure
       The charging and operation of the   engineers realised a drive-on   engineers used a hardware in the loop (HIL)                                                                                   mechanism. With no pre-existing solution available on the
        ferries is a total integrated solution   charging system would much better   process to run tests on how it would perform in                                                                     market, the bespoke system was developed in-house by
        provided by Damen. In the earlier   suit the vessels than a connection   operation under various conditions.                                                                                     Damen and is currently being adapted for use in similar
                                                                          operation under various conditions.
        stages of the project, Damen acted   lowered from above. In a new system                                                                                                                         electrical propulsion projects with future clients.
       as a consultant for a full ship and   developed in-house, Damen installed   The team then used software to construct a
                                                                          The team then used software to construct a
                                                                          digital model of the vessel, and conducted test
        shore solution to the ferry service,   a charging point in the bow of the   digital model of the vessel, and conducted test                                                                      In addition to the vessel security, Damen adapted the
                                                                          runs on the computer in order to tailor battery
       considering the requirements of the   vessel and created an automated   runs on the computer in order to tailor battery                                                                           charging process to cope with the higher demands of an
                                                                          management software that keeps track of charge
        project and proposing a balanced   charging system based on the jetty   management software that keeps track of charge                                                                           extended route. Damen increased the battery charging
                                                                          and release performance.
        solution to meet each of the criteria.   and connected to the on-shore power   and release performance.                                                                                          capacity from 450kW to 600kW per charger, to supply each
        Damen Civil was able to analyse the   source. In this system, the vessel can                                                                                                                     vessel with the power it needs to complete the route –
        physical capabilities and limitations   drive onto the charging pin bow-fi rst,                                                                                                                  including in the case of one charging point being temporarily
       of Copenhagen’s jetty route in order   automated fast-charging replenishes                                                                                                                        disabled – accounting for further redundancy in the system.
        to determine the optimal solution for   the battery power in around seven   REDUNDANT               AUTOMATED
        the project.                    minutes, and the vessel is then able       SWITCHBOARDS             CHARGING SYSTEM                                                                              Damen will deliver the fi rst fi ve vessels according to contract, and
                                        to reverse straight off the pin and                                                                                                                              the two additional vessels will be ready for delivery in May 2020.
                                        begin its route.                                                                                                                                                 The charging point system is close to completion, and Damen
                                                                                                                                                                                                         looks forward to the beginning of its operation. Proud of the
                                                                                                                                                                                                         interdepartmental collaboration displayed throughout, Damen
                                                                                                                                                                                                         regards this project as an excellent showcase of its engineers’
                                                                                                                                                                                                         entrepreneurial capacity and vision. “Based on large-scale,
                                                                                                                                                                                                         complex projects such as this, the development of Damen’s
                                                                                                                                                                                                         role beyond that of a shipbuilder towards that of a full solution
                                                                                                                                                                                                         integrator goes from strength to strength,” Martin concludes.




                                                                                                                                                                                                         LOOKING BACK TO THE FUTURE
                                                                                                                 BOW THRUSTER                                                                            To enable operators to track and analyse the
                                                                                                                                                                                                         performance of this complex system in action, Damen
                                                                                                                                                                                                         can install remote monitoring capabilities on all of the
                                                                                                          CONTROL AT                                                                                     vessels, informed by a network of on-board sensors.
                                                                                                          WHEELHOUSE
                                                                                                          CONSOLE                                                                                        Damen’s Remote Monitoring Department is able to
                                                                                                                                                                                                         set up personalised dashboards for every employee,
                                                                                                                                                                                                         tracking a variety of factors from battery lifecycle to
                                                                                                                                                                                                         sailing patterns to swell dynamics. Through access to
                                                                              LITHIUM BATTERY SYSTEM
                                                                                                                                                                                                         this data, clients can track the performance of their
                                                                                                                                                                                                         vessels. Similarly, Damen is able to use this remote
                                                                                                                                                                                                         monitoring capability to identify potential areas for
                                PROVEN SHAFT LINE DESIGN                                                                                                                                                 improvement and use the data to inform future projects.
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