GE-Maersk Line Strike Electric Tech Deal

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GE’s Marine Solutions has announced the expansion of its offering with the signing of a key contract to provide the latest in auxiliary electric systems to Maersk Line, the world’s leading container ship operator.

GE’s ‘Power Take Off/Power Take In’ (PTO/PTI) technology consists of two drives, two induction motors and a power management system.

The solution provides excess power on demand while reducing fuel consumption and when it is not being used to propel the vessel, the PTO/PTI technology uses the surplus energy to power on-board systems and equipment.

GE’s Marine Solutions’ entry into the container ship industry also marks its intention of contributing to the technological advancement of the industry at large.

The PTO/PTI solution provided to Maersk Line for 11, second generation Triple-E container vessels with a capacity of more than 18,000 TEU, is comprised of a shaft generator motor installed between the main engine and the propeller.

Technical Paper: The Electric Future of Transportation

It acts as either a generator or a booster to generate electricity from slow streaming speeds all the way up to the design speed of the vessel.

The PTO/PTI technology will be installed on-board vessels built by the DSME shipyard in Korea, with which GE has had a long-standing relationship.

A Spokesperson from DSME, said: “Our relationship with GE has been enduring and fruitful. We admire GE’s professionalism and ingenuity and are once again delighted to partner with them on this key project.”

The PTO/PTI technology harnesses the mechanical energy of the vessel’s drive shaft to convert it into electrical energy.

This excess energy is then directed to on-board systems when it is required, which diminishes the need to burn fuel to power these systems. The result in fuel savings is significant, especially when coupled with improved operational flexibility.

Unlike its competitors, the electric machine is equipped with induction motors instead of synchronous motors.

Technical Paper: Maersk Line Q&A

By removing transformers, it offers a simpler design and therefore reduces the complexity of the system, making it more reliable and requiring less CAPEX.

The arrangement of induction motors reduces the frequency and extent of maintenance, and combined with the system’s fuel saving characteristics, bringing down the operational expenses for customers.

Tim Schweikert, President and CEO of GE’s Marine Solutions, said: “Based on our long legacy of engineering expertise and innovation, GE’s Marine Solutions continues to offer world-class capabilities in solutions that serve a wide range of marine segments.

“Having Maersk as a partner, our entry into the container ship industry could not be more impactful. GE is continuously investing and developing solutions for the marine industry, and with our PTO/PTI technology, we are reinforcing our intention of driving the industry forward.”  

Fact File: GE is the world’s Digital Industrial Company, transforming industry with software-defined machines and solutions that are connected, responsive and predictive. GE is organised around a global exchange of knowledge, the “GE Store,” through which each business shares and accesses the same technology, markets, structure and intellect. 

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