WSEAS Transactions on Power Systems
Print ISSN: 1790-5060, E-ISSN: 2224-350X
Volume 8, 2013
Optimal Operation of Ship Electrical Power System with Energy Storage System and Photovoltaics: Analysis and Application
Authors: ,
Abstract: The extensive electrification of ship power systems has become a very appealing alternative for the development of more efficient and environmentally friendly ships. Renewable energy sources (RES) and energy storage systems (ESS) will have a key role in such systems as they can lead to fuel consumption reduction and increase overall ship efficiency. However, the power production from RES is stochastic and hardly predicted making necessary the combined operation with ESS. In this paper the operation of a ship power system equipped with photovoltaics (PVs) and ESS is analysed from the economic point of view and analytic formulas are obtained for system marginal cost for different case studies. The proposed method leads to simple analytic mathematical relations that could be easily exploited for the technical-economical assessment of ESS and RES integration to ship electric power systems.
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Keywords: Economic dispatch, ship power system, photovoltaic panels, energy storage system, system marginal cost