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Jeumont Electric delivers world's largest submarine motor

15 Sep 2015 | A region on the move

Jeumont Electric is a showcase for industrial know-how in Northern France, producing top-tier energy and conversion equipment for customers around the globe. The world's largest electric motor for a nuclear-powered submarine—produced at its Maubeuge plant—is now en route to Brazil.

Industrial know-how in the spotlight

Jeumont Electric’s Maubeuge plant is one of many in Northern France with world-class industrial know-how. An established leader in electrical energy technologies, the company designs, develops and builds synchronous and asynchronous rotating machines for industry, the oil & gas sector, energy production, and marine propulsion. Drawing on over 30 years' R&D, Jeumont Electric recently completed this record-breaking motor after 42 months' work. Worth several million euros, the unit is headed for the Brazilian Navy's CTMSP Technological Center in São Paulo where it will be part of a shore-based prototype/simulator of the country's first nuclear submarine. “Our motor won’t be installed in an actual submarine,” explains Daniel Marlot, Sales & Marketing Manager at Jeumont Electric’s Marine Division. “Instead it will be integrated into a full-scale mockup of the hull—taking shore-based naval technology demonstrators to a new level.”

World record

At 6 meters in length by 4.5 high and 3 wide, this is definitely the world's largest electric motor for a submarine. Advanced technologies ensure a clean, quiet, compact design, and company teams are already working on “the real thing” for Brazil's first nuclear submarine.

Serving customers around the globe

Jeumont Electric has long been a pioneer in advanced technologies, and the marine sector now accounts for 25% of its revenue. “Jeumont has a long and proud history,” says its marketing manager, noting “Demand for propulsion motors for submarines increased significantly in the 1970s with the development of France's first nuclear-powered attack submarines." The company supplies propulsion motors for the Swedish Navy's fleet of conventional submarines. Other customers include the Chilean Navy (two motors in 1999) and, more recently, the Royal Malaysian Navy. “In 2010, we sold six propulsion motors to the Indian Navy, then a year later, four more to the Brazilian Navy,” Marlot adds.

Next step: a superconducting motor

Jeumont Electric was recently selected to join the European Commission's Horizon 2020 Research & Innovation program set up to develop a superconducting electric motor. According to its Daniel Marlot, the design phase is expected to be completed in September 2016 “for a motor that will be rated at 10 megawatts, significantly more than the 8 MW achieved by our competition.”


Source : La Voix du Nord

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