Can trains be powered by magnets?

maglev, also called magnetic levitation train or maglev train, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion.



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There are several disadvantages to maglev trains: - Maglev guide paths are more costly than conventional steel railway tracks. Because the magnetic coils and material used in this setup are very costly. - Maglev trains require an all-new set up right from the scratch.

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There are only three countries in the world that currently have operational Maglev Trains: China, Japan, and Korea. Maglev trains are much more efficient than traditional trains and hold the speed record for trains (603km/h).

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The MAGLEV train provides a sustainable and cleaner solution for train transportation by significantly reducing the energy usage and greenhouse gas emissions as compared to traditional train transportation systems.

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The Shanghai maglev is the world's first commercial high-speed maglev and has a maximum cruising speed of 431 km/h (268 mph), making it the fastest train service in commercial operation. Shanghai Shentong Holdlings Co.,Ltd.

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There are guidance magnets and levitation magnets. The guidance magnets are designed to maintain the car alignment, never letting any physical contact. Ther is transverse inclination of the rails too, which helps reducing the curve of the turn.

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Besides steam- and diesel-powered locomotives, many trains operate solely on electrical power. They get the electricity from a third rail, or electrical line, along the track. Transformers transfer the voltage from the lines, and the electrical current drives the motors (AC or DC) on the wheels.

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Driverless trains have been in operation on the Docklands Light Railway since it opened in 1987, though a train attendant is present to operate the doors and drive the train if needed.

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Pros/Cons of Maglev Train
  • Extremely fast speed upto 500 km/hr.
  • Really quiet operation. A farmer couldn't hear when the train was passing.
  • MagLevs uses less energy upto 30% than normal trains.
  • Due to lack of physical contact between train and track, very efficient for maintenance.


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Disadvantages of electric traction include: high capital costs that may be uneconomic on lightly trafficked routes, a relative lack of flexibility (since electric trains need third rails or overhead wires), and a vulnerability to power interruptions.

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