Design, construction and operation of a special electric vessel for water-city utilities service

Massimo Guarnieri, Angelo Bovo, Nicolò Zatta and Andrea Trovò

Energy, 2024, vol. 309, issue C

Abstract: This article presents an electric vessel for technical service that has been designed, constructed and put into service in Venice, Italy. It is a prototype in a program for replacing an existing fleet of 63-kW diesel boats. It had to preserve the present 12-m boats size, maneuverability with a 360° steering azimuth propeller, and onboard power drives, namely a large waste caisson with a compacting drawer, a crane for moving bins, and a collapsible cockpit for passing low bridges. The design was developed on the power and work demand acquired in a preliminary measurement campaign. Onboard drives had to provide full service at zero emission in most routes inside the historical city. Two 50-kW permanent magnet electric motors were chosen to power the propeller and the compactor, and smaller motors for other drives. The series hybrid powertrain has an 80-kWh lithium-iron-phosphate battery, flanked by a small 15-kW biodiesel generator as a range extender. The boat demonstrated to ensure a fuel saving of 72%–100% and an operating energy cost saving of 20%–36%, depending on the route driven in hybrid or full electric mode. The prototype is expected to contribute to a wider transition to waterborne electric mobility in Venice.

Keywords: Electric vessel; Hybrid powertrain; Waterborne mobility; Battery electric vessel; Venice (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:309:y:2024:i:c:s0360544224028858

DOI: 10.1016/j.energy.2024.133110

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