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Opportunities and constraints of electrical energy storage systems in ships

Farrier, LA; Wu, P; Bucknall, R; (2017) Opportunities and constraints of electrical energy storage systems in ships. In: Proceedings of the SCC Conference 2017. Low Carbon Shipping & Shipping in Changing Climates: London, UK. Green open access

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Abstract

In recent years there has been a palpable shift towards the electrification of propulsion systems for commercial and naval ships, permitting improved design flexibility, operational efficiency and potential through-life fuel saving benefits. The drive for increased performance and emissions reduction, coupled with increasing load variability provides opportunities for energy storage systems (ESS). Larger scale electrical ESS (beyond dedicated back up supplies) can introduce a number of key benefits to ships. With the quickly evolving landscape of ESS, driven by parallel industries, it would appear that the dominant forms of ESS will be batteries, flywheels and super-capacitors. Pertinent in using ESS, is to facilitate prime mover operation within its most efficient operating envelope with the ESS providing take-in take-out power to maintain constant loading of the prime-mover eliminating transients and thereby optimised to reduce fuel consumption. This paper will consider the state of the art of ESS in ships and its future direction. The characteristics of the ESS devices and their applications for commercial and naval ships will be examined with a comparison of the challenges and implications of ESS, identifying common issues for the naval and commercial sectors by way of case studies. The paper concludes with the outlook for integrating ESS with future ships.

Type: Proceedings paper
Title: Opportunities and constraints of electrical energy storage systems in ships
Event: SCC Conference 2017
Location: London, UK
Dates: 04 September 2017 - 05 September 2017
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.lowcarbonshipping.co.uk/index.php?optio...
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Energy storage systems; fuel consumption; optimisation
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1572489
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