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Energies 2014, 7(5), 2799-2820; doi:10.3390/en7052799
Article

An Energy Management System of a Fuel Cell/Battery Hybrid Boat

1,2,* , 2
 and 1
1 Department of Electrical Engineering, Shanghai Maritime University,1550 Haigang Ave, 201306 Shanghai, China 2 French Naval Academy Research Institute, French Naval Academy, 29240 Brest Cedex 9, France
* Author to whom correspondence should be addressed.
Received: 14 January 2014 / Revised: 30 March 2014 / Accepted: 9 April 2014 / Published: 28 April 2014
(This article belongs to the Special Issue Polymer Electrolyte Membrane Fuel Cells)

Abstract

All-electric ships are now a standard offering for energy/propulsion systems in boats. In this context, integrating fuel cells (FCs) as power sources in hybrid energy systems can be an interesting solution because of their high efficiency and low emission. The energy management strategy for different power sources has a great influence on the fuel consumption, dynamic performance and service life of these power sources. This paper presents a hybrid FC/battery power system for a low power boat. The hybrid system consists of the association of a proton exchange membrane fuel cell (PEMFC) and battery bank. The mathematical models for the components of the hybrid system are presented. These models are implemented in Matlab/Simulink environment. Simulations allow analyzing the dynamic performance and power allocation according to a typical driving cycle. In this system, an efficient energy management system (EMS) based on operation states is proposed. This EMS strategy determines the operating point of each component of the system in order to maximize the system efficiency. Simulation results validate the adequacy of the hybrid power system and the proposed EMS for real ship driving cycles.
Keywords: fuel cell (FC); hydrogen; battery; energy management system (EMS); hybrid power boat; driving cycle fuel cell (FC); hydrogen; battery; energy management system (EMS); hybrid power boat; driving cycle
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Han, J.; Charpentier, J.-F.; Tang, T. An Energy Management System of a Fuel Cell/Battery Hybrid Boat. Energies 2014, 7, 2799-2820.

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