NYK Line has taken delivery of two LNG battery-hybrid pure car truck carriers (PCTCs) that are the first to operate with WinGD’s X-DF2.0 iCER technology
Swiss engine designer WinGD reported the two 7,000-CEU LNG-hybrid vessels are fitted with WinGD’s X-DF2.0 intelligent control by exhaust recycling (iCER), X-EL energy manager and WinGD integrated digital expert (WiDE).
Built by China’s Jinling Shipyard, the PCTCs Jasmine Leader and Wild Rose Leader are the first of a series of four vessels for NYK Line that will be equipped with this suite of WinGD solutions.
The LNG-battery hybrid configuration comprises WinGD’s latest 7X62DF-2.1 two-stroke, low-pressure, dual-fuel engines coupled with shaft generator, DC-links, batteries and bow thruster drives, with system integration and holistic energy management also supplied by WinGD.
The vessels are the first in operation with WinGD’s X-DF2.0 iCER technology, which is designed to cool and recirculate part of the exhaust gas through a low-pressure path during operation in gas mode. The iCER technology reduces methane slip by 50% while providing significant efficiency gains.
NYK Line reported the new vessels have an enhanced hull design and other fuel-saving features that make them 40% more energy efficient than conventionally fuelled ships in its fleet.
As a result of that efficiency, WinGD indicated the PCTCs will exceed current and future CII requirements, and IMO greenhouse gas emissions reduction targets for 2030.
The vessels also showcase the first deployment of WinGD’s electrical energy solution, X-EL energy management, offering a new battery-hybrid power integration and sustainability service. By integrating two-stroke marine engine control into the electrified vessel power system, X-EL widens the range of vessels that can benefit from electrification as shipping seeks to improve efficiency and reduce emissions.
Based on its indepth knowledge of main engine performance, WinGD has optimised energy flow to run the main engine constantly at its optimal point while avoiding less ideal energy usage. The whole energy system is managed by X-EL energy manager.
Engine monitoring system
The car carriers are fitted with WiDE engine monitoring and diagnostics, which uses a digital twin of the system to compare ideal and actual behaviour based on real-time operation and conditions. Anomalies from expected behaviour are detected, diagnosed and communicated to crew and shoreside teams with advice for troubleshooting and maintenance.
WinGD sustainability solutions general manager Stefan Goranov said the vessels “represent significant firsts and milestones for WinGD,” noting they are the first to deploy “X-EL energy manager and the first delivery of X-DF2.0 technology. The vessels demonstrate how efficiency can be achieved through a holistic ecosystem approach to vessel power and propulsion.”
Added NYK Line ship design team and technical group deputy manager Keita Fukunaga, “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.”
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