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In the EDS system, a propulsion magnet lies on the guideway below the train. The train also has superconducting materials. It is said that the train is initially levitated by establishing a current through the superconductor which induce eddy currents in the coils of the rail track, repeling each other to produce levitation. However, once this occurs, how does the train move forwards. How does the propulsion magnet move the train forwards?

2007-06-06 23:04:41 · 2 answers · asked by polyspaston 1 in Science & Mathematics Physics

2 answers

An EMS system can provide both levitation and propulsion using an onboard linear motor. EDS systems can only levitate the train using the magnets onboard, not propel it forward. As such, vehicles need some other technology for propulsion. A linear motor (propulsion coils) mounted in the track is one solution. Over long distances where the cost of propulsion coils could be prohibitive, a propeller or jet engine could be used.

2007-06-06 23:14:14 · answer #1 · answered by jsardi56 7 · 0 0

Flemming's left hand rule.
F = BIL
A force will be acted upon a current inside a magnetic field which is perpendicular to it.

2007-06-07 06:25:33 · answer #2 · answered by Matt Pang 1 · 0 0

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