Page 68: of Maritime Reporter Magazine (May 2019)

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TECH FILES

DESMI BWMS

Wärtsilä: Energy Storage on a ‘Giant’

EARNS USCG

APPROVAL

A benchmark installation of three out in February 2018 onboard the ating cost savings, and a total reduction

DESMI Ocean Guard A/S energy storage systems by Wärtsilä North Sea Shipping AS owned subsea in annual fuel consumption of 528,344 onboard an offshore construction ves- construction vessel North Sea Giant. In gallons. The estimated annual reduc- said its CompactClean Ballast sel features energy and load sharing a second phase of the project, Wärtsilä tion in exhaust emissions is 5.5 million

Water Management System capability. The system combines a commissioned an electronic bus link, kg of CO2, 30 tons of nitrogen oxides (BWMS) received U.S. Coast diesel-electric con? guration with bat- a newly developed module that allows (NOx), and 1,200 kg of sulfur oxides teries, and is designed to deliver fuel the ship to share load and energy op- (SOx).

Guard Type Approval, which savings for the ship of as much as 50 timally between the three Wärtsilä en- Another bene? t of the energy storage comes a few months after it percent, given optimal operating con- ergy storage systems. This technology system: reduced load ? uctuations on received IMO type approval. ditions. The installation was carried is expected to generate additional oper- the ship’s diesel generators.

The approval is valid for all salinities and sea water tem- peratures, and has no require- ment for a special operating mode in the U.S. In fact, the stringent U.S. require- ments are met everywhere in the world by running the

Image: Desmi system in its normal mode.

This means the system is fully approved and certi? ed for discharge of ballast wa- ter anywhere in the world, © NCE Maritime Clean Tech no matter if it is fresh water,

Wärtsilä energy storage systems onboard the ‘North Sea Giant’ will deliver signi? cant fuel cost savings. brackish water, marine water, cold water or warm water, the

Parntnership Sets Sights on Zero Emission Cruise Ships comapny says.

The USCG Type Approval includes a requirement for a

The Age of Hydrogen Fuel Cells minimum holding time be- tween ballast and de-ballast

GE’s Power Conversion business native that truly meets the needs of concept for a multi-megawatt hydro- operations of 24 hours. Ad- and Nedstack, a fuel cell manufac- tomorrow’s cruise industry.” gen power plant for passenger ves- turer, are collaborating on developing GE and Nedstack envisage using sels. ditional testing has been hydrogen fuel cell systems for pow- this technology on passenger ships, “Ships are increasingly being re- performed to demonstrate that ering zero-emission cruise vessels. replacing traditional diesel engines quired to shut down their engines in the minimum holding time “Existing clean power solutions with fuel cells, and heavy fuel oil port. We’ve seen this in California, requirement can be reduced are focused on reducing emissions. (HFO) with hydrogen. for example, and China has intro-

Eliminating emissions altogether To date, Nedstack and GE have de- duced an emission control area in the to close to zero hours. The demands a paradigm shift,” said Ar- signed the concept for a two mega- Yangtse delta.

CompactClean BWMS comes noud van de Bree, CEO of Nedstack. watt hydrogen fuel cell power plant However, the trend is shifting from in 14 different ? owrate sizes, “Hence why GE and Nedstack have on an expedition vessel, and report- emissions reduction to total elimina- been working extensively on the edly the review result has been high- tion,” said Azeez Mohammed, Presi- from 35 cu. m./hr. to 3,000 ‘marinization’ of fuel cell technology ly positive and plausible. dent and CEO, GE’s Power Conver- cu. m./hr. to create a total zero-emission alter- Nedstack and GE have designed a sion business.

68 Maritime Reporter & Engineering News • MAY 2019

MR #5 (66-73).indd 68 5/3/2019 1:51:30 PM