Page 42: of Maritime Reporter Magazine (September 2016)

TECHNOLOGY: HYBRIDS

ABB Onboard DC Grid

Onboard DC Grid is the ABB power distribution system that is designed to bring new ? exibility, greater ef? cien- cy and energy storage capability to a variety of ships.

he evolution of diesel-electric operational scenarios. abled by developments in DC protection 1000V, Onboard DC Grid allows power propulsion acceptance in the But varying operational demands do methods, and ? rst proposed by ABB in sources/power levels to match vessel maritime and offshore realms not always make optimal use of AC’s 2011. In early 2016, despite shipping’s needs, integrating battery power/energy

Tcontinues in earnest, as the need for generators to run at constant sustained slump, ABB reports that it has storage as one of those sources.

claims of ef? ciency versus traditional rpm. This was the starting point for the been securing orders in increasing num- Rather than being locked at a speci? c power plants has been proven over time development of Onboard DC Grid, a bers across a range of vessel types. frequency (usually 60Hz on ships), each in an increasing variety of ship types and unique power distribution solution en- Operating at a nominal voltage of power source and consumer is an AC or

John Lindtjorn, ABB Product Manager Onboard DC Grid and Energy Storage, explains how Onboard DC Grid offers own- ers far more than fuel savings and improved dynamic response.

42 Maritime Reporter & Engineering News • SEPTEMBER 2016

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