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Designing and Integrating Diesel - Battery - Electric Solutions for Commercial Craft

Hybrid electrical vessel propulsion with integrated motor assist (HEVIMA), is an Innovate UK supported project which is led by REAP Systems ltd, in collaboration with the University of Southampton and eight industrial partners. This project aims to develop an innovative modular parallel hybrid marine power system that surpasses the efficiency and emission levels of existing hybrid systems in the small commercial vessel market. Modularity is a key in this project to reduce the engineering and implementation cost of hybrid systems in ships.

HEVIMA focuses on three integrated technologies: First, electric integrated motors (in flywheel), where it explores new types of electrical motor, which have high torque densities. The construction of these machines is very modular and scalable. Second, it develops safe, reliable, modularised and scalable high density batteries with algorithm assessing the safety critical battery deterioration and state of health. Third, it investigates a versatile and open energy management and control system, that enhance the adaptability/flexibility of energy / electrical power use with potential impact across a wide spectrum of different marine vessels.

This industrial project will span 3 years with a total project cost of £1.32M. The potential cost saving to the marine industry are 6.5 M/year and the emission reduction is estimated to be 30,000/year tonnes of CO2.

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Dr Dennis Doerffel - Founder & Chief Technology Officer, REAP Systems

Dennis has a Dipl.-Ing. degree in communications electronics from the University of the German forces and a PhD from the University of Southampton.

Before he founded REAP Systems, he spent 12 years in the German forces, where he lead, organised and trained repair and maintenance teams. Later, he was responsible for the software maintenance of some weapon systems.

He has been fascinated by modern battery technology, their practical applications and challenges since 1998. Dennis is an authentic, enthusiastic and visionary individual who believes "there is always a way".

He has subscribed to the Toyota Management Principles as the way forward into a sustainable world. He leads the way in hybrid electric vehicles, applications for large lithium-ion batteries, systems engineering - always challenging the status quo.

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