Page 65: of Maritime Reporter Magazine (August 2015)

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65 meter Offshore Supply Vessel with hybrid propulsion system for the Italian Coastguard. smaller craft. A European Union funded reliability, increased fuel ef? ciency, life- project called HYMAR (High ef? ciency cycle cost reductions and reduced emis- hybrid drive trains for small and medium sions. DNV-GL USA recently stated sized marine craft) set out to develop an that, ‘energy storage is an exciting new optimized hybrid system. HYMAR de- technology, but the offshore E&P sector veloped a parallel hybrid system that has of the oil and gas industry has yet to truly been installed, tested and validated on take advantage of it. Tugboats, work- marine craft. The optimized hybrid sys- boats and OSVs are particularly suitable tem developed during the project offers for hybridization.’ three major advantages - no detectable When studying work cycles of vessels emissions, no discernible noise and a sub- it is relatively straightforward to make a stantial reduction in fuel consumption. decision for new builds on whether to go for all electric or a diesel / electric hybrid

Hybrid Power & Propulsion Systems system. For example a ferry operating

Increase Ef? ciency over a short route with a long stopover

We are entering a period of rapid each end could offer the perfect work change and commercial opportunity in cycle for ‘electric only’ with a land based the hybrid marine market. Boat build- charging system. Other issues, such as ers, engine manufacturers, designers and the cost of downtime and structural al- naval architects are now developing sys- terations affect viability calculations for tems for survey vessels, superyacht ten- retro? t of in-service craft.

Deep Blue Hybrid by Torqeedo is a fully integrated scalabe ders, patrol vessels and unmanned craft. BAE Systems is a provider of hybrid system offerring hybrid power & propulsion.

Bene? ts include improvements in energy propulsion systems with technical ex-

DESIGN

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