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Historic Finnish ferry goes electric
Added by admin 06/05/17
Posted May 5, 2017 by Charles Morris
it entered service in 1904, the Föri ferry in the Finnish city of
Turku has been upgraded from steam to diesel power, and now to
electricity. Finland’s oldest operating ferry has now become the
nation’s first all-electric passenger vessel after being fitted
with a new electric powertrain from Visedo.
Local boatyard Mobimar performed the upgrade, replacing the
boat’s diesel-powered hydraulic motor and control system with a
system consisting of two Visedo permanent magnet motor drives and
two Visedo DC/DC converters. The new powertrain is 8 tons
lighter, and it can run on one or two motors, which improves
performance in icy conditions and allows motor maintenance to
take place in shifts, without interrupting operation.
“The Föri ferry is a national treasure, but with its old diesel
engine, fuel consumption and emissions were high and overall
efficiency poor,” said Visedo Project Engineer Heikki Sallinen.
“Visedo power brings the 100-year-old vessel into the 21st
century without changing its character.”
“We needed a partner who could deliver a new permanent magnet
motor and charging technology built for purpose,” said Mobimar
Project Manager Antti Immonen. “There was no off-the-shelf
solution. We were already impressed by Visedo during a previous
collaboration to modernize a Korean Mark V65 submarine. There are
now 240,000 passengers who have dived below the Yellow Sea in a
submarine with a Visedo-powered system. And we used some of the
same components in the Föri.”
Founded in 2009, Visedo is a Finnish manufacturer of heavy duty
electric powertrains for the marine, commercial vehicle and
heavy-duty machinery sectors.
Visedo powertrains are suitable for hybrid and electric systems
within the power range of 30-2,000kW. Visedo’s head office is
located in Lappeenranta, Finland, and the company has
subsidiaries in the Netherlands and Hong Kong.
Visedo has a broad, international client base, with exports to
Europe and Asia representing 90 percent of its sales.
Story and image courtesy: