Ac News

New Dual Fuel, Electric+ (DFE+) concept, developed by ABB and MAN Energy Solutions, has been recognized by DNV as a more energy efficient alternative to current conventional designs for liquefied natural gas (LNG) carriers.DNV has quantified the gains that owners of LNG carriers could expect to achieve using the new DFE+ solution and found that it could help LNG carriers boost energy efficiency by up to 7.5%, therefore enabling greater emissions reduction.The number takes into account the smaller machinery space requirements with ‘a conservative estimate’ of 5% greater cargo capacity…

Built by Rauma Marine Constructions, in Rauma, Finland, and launched in 2021, the 150-meter-long Aurora Botnia boasts a long list of onboard equipment that help it to earn its “green” designation, a label that is confirmed via a Clean Design notation from classification society DNV. The ship is also compliant with the International Maritime Organization’s (IMO) 2030 greenhouse gas reduction target.Wasaline CEO Peter Ståhlberg describes Aurora Botnia as “a masterpiece of cooperation” and noted that the vessel is over 80% domestic made."I'm really proud of the Aurora Botnia.

Ammonia is one of several renewable fuels seen as an option to help the maritime industry decarbonize.One of the companies working to unlock the fuel’s potential is Brooklyn, N.Y. based Amogy, developer of an onboard system that feeds liquid ammonia through a cracking process to create hydrogen on demand for power generation via fuel cell—without carbon emissions.Having already demonstrated its technology on an aerial drone, tractor and semi-truck, Amogy is currently working to…

Zinus announced it has won a contract to supply its autonomous charging solution for a new zero-emissions, lightweight Ro-Pax ferry.The endeavor is led by shipbuilder Incat Tasmania, and commissioned by their South American customer Buquebús. The ferry will operate between Argentina and Uruguay, providing efficient and eco-friendly transportation services to as many as 2,100 passengers and 225 vehicles.Zinus will be supplying its autonomous charging solution, which includes the SWC200 Onboard Unit and ZPP800 charging tower solution.

U.K. based ship repair and marine services form Dales Marine Services announced it has acquired 20 new welding generators from MB Plant, Peterhead.The newly acquired welding generators are replacements for older machines and will be utilized on-site at Dales Marine facilities including Aberdeen, Leith, Greenock and Troon, as well as remotely at clients' sites, as required.Dales Marine said its main facilities have been experiencing a steady increase in the number of vessels coming to their docks for scheduled maintenance and repairs…

A first-of-its-kind project to convert a 1950s tugboat to run on ammonia-to-power technology is moving forward, with several key milestones recently achieved, involved technology partners report.The Amogy-led retrofit project involves a comprehensive overhaul of the tugboat's original diesel generators and electric motors, integrating the Brooklyn startup's 1-megawatt ammonia-to-power system.Once installed, Amogy’s onboard solution will feed liquid ammonia through its cracking modules integrated into a hybrid fuel cell system that will provide zero-carbon power to the vessel’s electric motors.

BEMAC, as majority shareholder, together with Mitsui have entered into a share purchase agreement to acquire 100% of the shares of The Switch from Yaskawa Europe Holding AB (a wholly owned subsidiary of YASKAWA Electric Corporation).The Switch Engineering Oy and its group companies are manufacturers of permanent magnet machines (PMM), DC distribution solutions (DC-Hub), high-power AC drives (single drives) and high-speed induction motors.The Switch possesses technology in MW-class PMMs…

Mitsubishi Heavy Industries (MHI), and two of its group companies - Mitsubishi Heavy Industries Engine & Turbocharger (MHIET) and Mitsubishi Heavy Industries Air-Conditioning & Refrigeration Corporation (MHI-AC&R) - have commenced joint demonstration testing of a system that liquefies the CO2 captured from gas engine generator sets.CO2 from the gensets, forming a part of an in-house power station at MHIET's Sagamihara Plant, is captured by CO2MPACT™, a compact CO2 capture system…

The quest to build a series of five National Security Multi-Mission Vessels (NSMVs), which will serve as training ships for five U.S. maritime academies, has drawn a broad cadre of suppliers. The powerplant was a main focus, helping to evolve the schools from steam power plants to a modern propulsion package.NSMVs being built for the maritime academies is widely lauded as a ‘win’ for U.S. shipbuilding, an example of commercial shipbuilding practices applied to a government shipbuilding project.

Mike Complita is going on 30 years in the maritime industry. Complita started work at Elliott Bay Design Group (EBDG) as an intern while attending the University of Washington in his hometown, Seattle. “And since that time, I've served in pretty much every role, from a technical and project management standpoint, all the way up to principal of our organization,” he said. Today, as Principal in Charge and VP of Strategic Expansion, Complita works alongside EBDG’s other principals to help guide the firm’s project managers…

Houma, La. shipbuilder Thoma-Sea Marine Constructors has been awarded a contract to design and build two new research vessels for NOAA, for expected delivery in 2027 and 2028.The $624.6 million deal was awarded following a request for proposals that was open June–October 2022 and includes purchase options for up to two more vessels.The new ships will be less than 90 meters long, engineered to focus primarily on ocean mapping and nautical charting as part of NOAA’s mission to deliver tools and information to help mariners safely navigate the nation’s ports and harbors.

NYK, as a member of a consortium of four companies (also including: Sumitomo Electric Industries, Ltd.; Furukawa Electric Co., Ltd.; and Mitsui O.S.K. Lines, Ltd.) has been selected by Japan’s New Energy and Industrial Technology Development Organization (NEDO) in an open call for applications related to the "Development of basic technologies for a multi-purpose and multi-terminal high voltage direct current transmission system,” in addition to the “development of construction methods for the installation of cable protecting system…

Seattle shipbuilder Snow & Company announced it has been awarded a contract to build a pair of 50-foot pilot boats for the Crescent River Port Pilots’ Association, based in Louisiana. Designed by U.K.-based Camarc Design, the all-aluminum vessels have a refined hull with enhanced fuel efficiencies and reduced slamming accelerations, which provide excellent all-around seakeeping capabilities and a pilot specific shape to facilitate safe boarding operations.The vessels will be powered by twin Volvo Penta D13-800 EPA Tier 3 marine diesel engines…

Fairbanks Morse Defense (FMD), a portfolio company of Arcline Investment Management, introduces the Novo1 motor line by Ward Leonard, the newest AC induction motor line for naval vessels.Described by the manufacturer as "durable" and "reliable", the Novo1 motor line is modular in design, has a commonality of parts, and has a variety of mounting configurations, speeds, and enclosure types available to meet any shipboard requirements. It is manufactured in FMD's vertically integrated facility in Thomaston, Conn.

Holland Shipyards Group (HSG) and AYK Energy have signed a deal for AYK Energy to make batteries for the zero-emission container ship FPS Waal.AYK Energy founder Chris Kruger said the company was increasing production at its factory in Zhuhai, China, to supply the retrofit project at HSG's shipyard in Werkendam. Under the contract, AYK will supply two high-density DNV-approved Aries 88 lithium batteries to the vessel. Kruger confirmed the 125-watt hour/kilogram (Wh/kg) batteries will be installed on Future Proof Shipping’s FPS Waal…

A fire that broke out during the maiden voyage of the world's first liquified hydrogen (LH2) carrier gas carrier Suiso Frontier was caused by an onboard electrical issue, an Australian Transport Safety Bureau (ATSB) investigation foundThe 116-meter vessel, built as a prototype ship to assess the technical aspects of transporting LH2 by sea, had arrived at the Port of Hastings, Victoria on January 20, 2022, on its maiden voyage.The ship had departed Kobe, Japan on December 25, 2021 with 55 t of LH2…

Stadt Naval, headquartered in Gjerdsvika, Norway, signed a contract to design and supply complete electric propulsion solutions for series of new naval ships for an unnammed NATO country, the biggest  contract in the company's history.Stadt's technology operates in STEALTH mode with guaranteed no  electrical interference and no acoustic switching noise. This contributes to low underwater radiated noise (URN), and low signature for any vessel. In addition, the STADT technology has proven to have absolute minimum power loss…

Turkish Cemre Shipyard has awarded HAV Group ASA’s subsidiary Norwegian Electric Systems AS (NES) a contract to deliver energy design, and smart control systems for two “Windkeeper” service operations vessels (SOV).The Turkish shipyard is building the Windkeeper for the Norwegian firm GC Rieber Shipping. NES’ scope of work is to manage the complete energy design plus act as system integrator for the vessels’ power system and smart control set-up. NES will supply frequency converters and electric motors for the propulsion system…

Marijana Sosic, Manager, Technical Marketing at Transocean, discusses some of the outstanding features of the Deepwater Atlas – Built in Singapore at Sembcorp Marine's Jurong Shipyard and flying the Marshall Islands flag – and sister-ship Deepwater Titan , which together represent an investment of more than $2 billion.The Deepwater Atlas was launched this year in Singapore. What, specifically, is so special about it?The Deepwater Atlas is the first of its kind eighth-generation drillship that will offer 20,000 psi well control capabilities and a 3.4 million pound hoisting capacity.

The November edition of Marine News magazine highlighted the most notable newbuilds delivered in 2022. From sturdy and nimble workboats, to the first new Jones Act laker in a generation, each vessel on display showcases the industry’s engineering prowess and technological ingenuity, with the focus on improving efficiency in operations. The maritime industry has no shortage of challenges to overcome, and each of Marine News’ top vessels will, in one way or another, aid efforts to tackle them.Mark W.

Danfoss Power Solutions said its Editron division has been chosen to provide drivetrain systems for three hybrid passenger ferries that will operate on the Elbe River in Hamburg, Germany. German shipyard Schiffbau- u. Entwicklungsgesellschaft Tangermünde mbH (SET) will build the vessels for Hamburg transportation company HADAG, expanding its fleet to 29 ships.Hamburg’s passenger ferry service is integral to its public transportation offering. With eight routes stopping at 20 different piers, the ferries are used by approximately 9 million passengers annually.

Engine manufacturer MAN Energy Solutions and technology company ABB will work together to develop a dual-fuel electric plant concept for liquefied natural gas (LNG) carriers, engineered as part of the companies' efforts to help the international shipping industry reduce its emissions footprint.Under a Memorandum of Understanding, signed at September’s SMM trade show in Hamburg, the two companies will develop a Dual-Fuel, Electric+ (DFE+) propulsion system concept based on MAN’s new 49/60DF four stroke engine and ABB’s Dynamic AC (DAC) power distribution and control system.

Sanmar Shipyards and IGUS joined forces to develop and build a new electric bunkering system that is designed to be compact and able to supply a variety vessel types with onshore power.To this end, the companies have designed and built the Shore Power Dispenser System which can be operated by just one crew member.According to the companies, the modular design allows an extension of the dispenser system to provide higher charging power capacities easily. Each cable dispenser module can handle 500A current capacity (up to 1000V AC).For Sanmar…