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NYK’s LNG hybrid car carriers to consume 40% less energy

Photo: WinGD NYK-PCTC-LNG-Hybrid.jpeg
Two new 7,000 CEU pure car and truck carriers (PCTCs) built at Jinling Shipyard in China for NYK Line will incorporate the most comprehensive range of WinGD’s energy-saving systems so far.

The systems fitted on the vessels will include emissions reduction, energy management, and digital optimisation.

As a result, NYK Line expects the Jasmine Leader and Wild Rose Leader, the first pair of four PCTCs that will incorporate the various technologies, to consume 40% less energy than conventionally fuelled ships in its fleet. This efficiency gains take the vessels’ savings well beyond current and future carbon intensity requirements and significantly further than the IMO’s current greenhouse gas emission target for 2030.  

The dual-fuel LNG-battery integrated setup on the two PCTCs consists of WinGD’s 7X62DF-2.1 two-stroke engines together with shaft generator, DC links, batteries and bow thruster drives.

The X-DF2.0 engine installations include the engine company’s Intelligent Control by Exhaust Recycling (iCER), its X-EL Energy Manager, and the WinGD Integrated Digital Expert (WiDE), the company said.  

The iCER technology cools and recirculates some of the exhaust gas through a low-pressure system while the ship is running on LNG. WinGD estimates that the technology cuts methane slip by 50% while also providing significant efficiency gains.

WinGD’s X-EL Energy management system integrates control of the main engine with the battery system, enabling the main engine to run constantly at its optimal point. WinGD claims that the system widens the range of vessels that can benefit from electrification.

The ships will also have the WiDE engine monitoring and diagnostics systems. These compare the actual performance of main engines with the optimal performance of a digital twin. Anomalies are detected, diagnosed, and sent to shipboard personnel and shore staff for troubleshooting and maintenance.

NYK Line’s deputy manager, Ship Design Team, Technical Group, Keita Fukunaga, commented: “These LNG hybrid vessels are among the most sophisticated and efficient car carriers ever built and are central to our fleet renewal plan, targeting net-zero emissions by 2050. With WinGD’s engine, energy management and digital monitoring systems on board, they mark an important step towards delivering decarbonised vehicle transport for our customers.”

TAGS: Asia Europe NYK