Applications

HTS magnetic levitation

The magnetic levitation using superconducting materials is currently under thorough study for its perspective applications for low friction magnetic bearings or so called MagLev transportation systems (levitating trains). First prototype systems are already created and under tests. Probably the most known, the Japanese Yamanashi Maglev line set the world record in speed for trains (581 km/h = 361 mph). Due to the absence of friction, these innovative trains are not only the fastest, but also are energy effective and extremely quiet.

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Fig.1 The levitation of the permanent magnets above the “carpet” made of 2G HTS tapes.
The HTS tapes are cooled by liquid nitrogen.

Main applications:

Magnetic levitation transport (maglev)
Magnetic Bearings
Magnetic centrifuges
Magnetic wind turbines

Maglev system features:

High performance
The highest speed of all public land transport, the use of bearings in aggressive environments at high or low temperatures

Cost-efficiency
High durability, low maintenance costs due to significant reduction of friction

Energy efficiency
The energy consumed by maglev is utilized three times more efficiently than that of the car and up to five times than that of the plane

Ecological benefits
Low noise

Fire safety
Maglev systems use nonflammable liquid nitrogen for cooling; the lack of friction eliminates the possibility of fire.

 

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Fig.2 Yamanashi MagLev train (Japan).

 

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