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Article: Linear motor trains introduced successively.
- Article from:
- Kyodo News International (Tokyo, Japan)
- Article date:
- July 14, 2005
CopyrightCOPYRIGHT 2005 Kyodo News International. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Jul. 14--TOKYO -- Linear motor trains, which do not float on rails, are increasingly introduced to subways in major cities because of their safety and lower construction costs, while floating ones, called magnetically levitated (maglev) trains, whose research began 40 years ago and dubbed "dream superexpress trains," appear to require considerable time before they can be practical due to huge costs.
A linear motor train in subways is driven by the magnetic field generated by an electric current sent into coils attached to the cars and a magnetic field generated at metal plates fixed to tracks.
When the driver pushes a starting button, the train ...