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Maglev trains are trains which are suspended, guided and propelled (moved forward) by magnetic forces. The track of the maglev train is called the guide-way. Working of the maglev trains can be studied under the following. 1  Levitation. 2  Propulsion. 3  Guidance.
The Shanghai Maglev Train works under the German system (Transrapid), the frame of the train wraps around the guideway and the car levitates 3/8. by magnetic attraction to the underside of the track. The clearance is obtained via a closed-loop control system.