TRANSRAPID MANGLEV. BY– ISHAAN GUPTA ECE-123 03914802810. OUTLINE. Maglev. Two. Types. Full scale speed. 500 km/ hr. Types. EMS. Magnetic attraction . Servo-Controlled . Electromagnets. Iron-plate rail. EDS. Magnetic repulsion. S uperconducting. Induction. Cryogenic.
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BY– ISHAAN GUPTA
Full scale speed
EMS system: The German Trans-Rapid TR08 demonstration train and 30 kilometer test track, with operating speeds up to 450 km/hr.
EDS system: The Japanese Yamanashi demonstration train, with speeds of 500 km/hr on a 18 kilometer test track.
The system consists of aluminum three-phase cable windings in stator packs on guide way.
Linear electric motor
and guidance system
And braking system
One of 6 magnets
(3 front, 3 back)
that provide levitation
and centering forces
Guide rails to prevent
magnets from hitting
track prior to levitation
Steel box beam
Br = Remanent field (Tesla),
M = no. of magnets/wavelength.
d(m) = thickness of Halbach array magnets,
k = 2π/l
w = width of Halbach array,
L,R = circuit induct./resistance
The Lift/Drag ratio increases linearly with velocity, and with the L/R ratio of the Inductrack track circuits.
Typical K values: K=1.0 to 5.0, depending on track design