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EDS maglev propulsion via propulsion coils. In electrodynamic suspension (EDS), both the guideway and the train exert a magnetic field, and the train is levitated by the repulsive and attractive force between these magnetic fields. [79] In some configurations, the train can be levitated only by repulsive force.
Electromagnetic propulsion (EMP) is the principle of accelerating an object by the utilization of a flowing electrical current and magnetic fields. The electrical current is used to either create an opposing magnetic field, or to charge a field, which can then be repelled.
Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation from a very large number of magnets for lift and propulsion.
Electrodynamic suspension can also occur when an electromagnet driven by an AC electrical source produces the changing magnetic field, in some cases, a linear induction motor generates the field. EDS is used for maglev trains, such as the Japanese SCMaglev. It is also used for some classes of magnetically levitated bearings.
Since the first commercial maglev train was opened in Birmingham, England in 1984, other commercial EMS maglev train systems, such as the M-Bahn and the Transrapid have also been put into limited use. (Maglev trains based on electrodynamic suspension technology have also been developed and deployed.)
An electrodynamic wheel is a type of wheel proposed for use in electrodynamic levitation of the maglev train transport system. [ 1 ] [ 2 ] [ 3 ] Unlike a conventional wheel, an electrodynamic wheel has a rim studded with magnets of alternating poles.
The SCMaglev (superconducting maglev, formerly called the MLU) is a magnetic levitation railway system developed by Central Japan Railway Company (JR Central) and the Railway Technical Research Institute. [1] [2] [3] The SCMaglev uses an electrodynamic suspension (EDS) system for levitation, guidance, and propulsion.
Magnetic river is an electrodynamic magnetic levitation (maglev) system designed by Fredrick Eastham and Eric Laithwaite in 1974. It consists of a thin conductive plate on an AC linear induction motor. Due to the transverse flux and the geometry, this gives it lift, stability and propulsion as well as being relatively [vague] efficient. The ...