Metro Aimante High-Speed electro Magnetic Levitation Technology

Metro Aimante High-Speed electro Magnetic Levitation Technology

By utilizing electro magnetized coils running along a track (or guide way) that repel large superconducting magnets in the train’s undercarriage and allow it to levitate almost 4 inches off the ground. Power supplied to the coils in the guide way then creates polarizing forces that pull and push the train along. As the only resistance is air, one of the major selling points for maglev technology is less wear and tear resulting in greater longevity for infrastructure.

Superconducting maglevs are also called linear motor cars. The motor is linear, not rotary. We can think of it as an ordinary electric motor that has been split open, spread out flat, and oriented in the direction of train travel (Fig. 1). The motor does not rotate; instead, it exerts a kinetic force in a straight line, or guide way.
One part of the linear motor is mounted on the train, the other on the guide way. The train has light but powerful superconducting magnets, and the guideway has energized coils along the sides. Thus, the train does not carry equipment such as transformers and inverters. As a result, it is very light and slim, but still capable of harnessing a large propulsive force. Another advantage is that there are no current collectors and electromagnetic force levitates the vehicles, so there are no wheels or rail adhesion problems.
Different types of linear motors have been developed, but the only other type that supplies electric power to a guide way for transport is Germany's Trans rapid system.
As mentioned, superconducting magnets are used create a strong magnetic force to propel the vehicle. But they offer more than just propulsion—they also levitate the vehicles and guide them within the bounds of the guide way.
The system takes advantage of the naturally stabilizing effect provided by electromagnet induction. No controlling devices whatsoever are needed to keep the train on its guide way, and there is no risk of the train ‘derailing.’ The magnetic levitation force is ideal for supporting a train at very high speeds.

Trains can reach speeds of 506 km/h (315 mph), Maglevs use powerful electromagnets to float and propel a swiftly moving train above its tracks, eliminating metal friction

The trains are currently on schedule to be deployed on the Tokyo-Nagoya line in 2027 the first commercial maglev service was opened by China in 2004. The Shanghai maglev can travel at speeds up to 264mph

 

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