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ABB to Equip Knutsen Shuttle Tankers with Electric Solutions

Logistic News - Published on Thu, 15 Oct 2020

Image Source: ABB Knutsen Shuttle Tankers
First two shuttle tankers for Knutsen NYK Offshore Tankers KNOT to feature battery technology, in addition to a wide scope of ABB’s electric solutions, will achieve significant gains in fuel efficiency, operational flexibility and emissions reduction Securing a contract from Daewoo Shipbuilding & Marine Engineering, ABB Marine & Ports will deliver the power and control technology for the two new KNOT shuttle tankers to future-proof them for the operations of tomorrow and enable the sustainability gains increasingly sought by energy majors. The energy storage system was added at the request of the exploration and production company Vår Energi that has contracted KNOT to operate the shuttle tankers. The system will improve ship performance by optimizing engine responsiveness, whatever the load.

Built to endure harsh Arctic waters, the pair of 124,000 dwt tankers are set be delivered by the Daewoo Shipbuilding & Marine Engineering shipyard in 2022. The newbuild vessels will operate in the North Sea.

ABB’s scope of supply will also include the shaft generator system, main switchboards, thruster and cargo pump drive systems, and take care of project management, commissioning and sea trials.

The ABB twin battery package on board each Knutsen ship will have a storage capacity of 678kWh. The energy storage system will be able to ramp up engine responsiveness by working with the ABB MV AC system to control and optimize shaft generator power flexibility. The enhanced dynamic support for the energy storage system will be crucial in the event of sudden load changes, peak loading, including the specific demands of station keeping and cargo pump operations.

Being able to call on the integrated energy storage system improves operational flexibility but also means that auxiliaries are needed less frequently, and sometimes not at all, saving fuel and reducing emissions. Battery power may therefore offer a new competitive edge where ships are being replaced or upgraded. In a circular approach, when the shaft generator has produced more power than required, the excess power will be used to charge batteries.

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Posted By : Yogender Pancholi on Thu, 15 Oct 2020
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