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INNOVATIVE TRAINTECHNOLOGY

INNOVATIVE TRAINTECHNOLOGY. CONTENTS. MAGLEV INNOVATIVE TRAIN TECHNOLOGY MAGLEV TERMINOLOGY TYPES OF MAGLEV COMPARISON SAFETY FUTURE UTILITY. Maglevs (Magnetically levitated trains). INTRODUCTION.

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INNOVATIVE TRAINTECHNOLOGY

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  1. INNOVATIVE TRAINTECHNOLOGY

  2. CONTENTS • MAGLEV • INNOVATIVE TRAIN TECHNOLOGY • MAGLEV TERMINOLOGY • TYPES OF MAGLEV • COMPARISON • SAFETY • FUTURE UTILITY

  3. Maglevs (Magnetically levitated trains)

  4. INTRODUCTION • The principal of a Magnet train is that floats on a magnetic field and is propelled by a linear induction motor. They follow guidance tracks with magnets. These trains are often referred to as Magnetically Levitated trains which is abbreviated to Maglev

  5. MAGLEV… WHAT ?? • MAGNETIC +LEVITATION= MAGLEV • OPPOSITE ATTRACT LIKE REPEL • LEVITATION is derived from ‘levis’ means light.

  6. LEVITATION PHENOMENA

  7. LEVATION • A small (~6mm) piece of pyrolytic graphite levitating over a permanent neodymium magnet array (5mm cubes on a piece of steel).

  8. APPLICATIONS • RAIL GUN • MAGNETIC FLOATERS • PROPULSION OF ROCKETS • MAGLEV TRAINS

  9. MAGLEV TRAINS • INNOVATIVE TRAIN TECHNOLOGY • FRICTION FREE TRAVEL. • HIGH SPEED • ACCELERATION • CARRIES NO ENGINE • SAFETY & COMFORT

  10. INTERNAL WORKING

  11. Comparison of Systems Railroad / MAGLEV Titel Wheel-on-rail Electromagnetic Levitation Guidance Propulsion Propulsion Support Support

  12. TYPES OF MAGLEV • ATTRACTION TYPE EMS-Electro-magnetic Suspension (Developed By Transrapid Germany) • REPULSION TYPE • EDS-Electro-dynamic Suspension (Developed By Japan) • INDUCTRACK (Developed by USA)

  13. Electromagnetic Suspension (EMS)

  14. System Components of EMS Electromagnetic Levitation Stator Pack Guidance Magnet Eddy Current Brake Support Magnet Linear Generator Guidance Rail

  15. SENSOR ARRANGEMENT

  16. LINEAR SYNCHRONOUS MOTOR • A simple motor’s Stator is when Cut open and flattened it becomes a Linear Motor. • Instead of producing a Rotational Torque it produces a Linear forceand thus is practically suited to MAGLEV operation. • Speed control is achieved by Frequency controlor by varying the field Excitation by changing the current direction. • There is reaction platein which the current is induced, thus producing Horizontal motion

  17. LINEAR SYNCHRONOUS MOTOR

  18. Magnetic Traveling Field Propulsion Principle of EMS

  19. 25 m GUIDEWAY TYPES At-grade guideway Typ III 1,25-3,5 m Elevated guideway Typ II 49,536 m Elevated guideway Type I

  20. World’s first commercial MAGLEV SHANGHAI MAGLEV, Top speed: 400 Km/Hr. Developed by TRANSRAPID, Germany

  21. Electrodynamic Suspension(EDS) • Built by RTRI,Japan • Uses a Super conducting Magnet. • Linear Synchronous Motor Application. • Repulsion Type. • Guideway clearance is up to 10 cm. • Expensive system

  22. Propulsion Principle of EDS A repulsive force and an attractive force induced between the magnets are used to propel the vehicle (superconducting magnet). The propulsion coils located on the sidewalls on both sides of the guideway are energized by a three-phase alternating current from a substation, creating a shifting magnetic field on the guideway. The on-board superconducting magnets are attracted and pushed by the shifting field, propelling the Maglev vehicle.

  23. Guideway Structure of EDS

  24. Super Conducting Magnets and their cooling. At one end of the tank is the integrally-attached on-board refrigerator, which serves to re-liquefy the helium gas once vaporized by regular heat absorption and external disturbances during running.

  25. EDS Developed by RTRI, Japan. TOP SPEED: 581 Km/Hr, REPULSION Type

  26. Differences in brief : EDS & EMS • EMS is Attraction type whereas EDS is Repulsion type. • Guideway clearance: EMS- Upto 3/8” and EDS-Upto 4”. • Control Circuitry : EMS-on board (Power Ec. Control) EDS-External Control. • Guideway Structure: EDS has much Complex and expensive construction than EMS. • Magnets : EMS-electromagnets powered by continuously charged Batteries, EDS-Superconducting Magnets which need cooling arrangement. • TOP SPEED: EMS-450 Km/Hr, EDS-581 Km/Hr • EDS needs wheels at start but the EMS doesn’t.

  27. INDUCTRACK TECHNOLOGY • Developed by USA. • Based on Halbach array concept. • REPULSION TYPE. • Permanent Magnets • Rests on wheel when stationary. • Permanent magnets lift upto 50 times weight. • Currently under R & D.

  28. LONGSTATOR PROPULSION SWITCHING Activated Motor Section Motor Section Switched Off Motor Section Switched Off Energy Supply

  29. ADVANTAGES OF MAGLEV OVER CONVENTIONAL RAIL

  30. COMPARISON PROPULSION SYSTEMS Transrapid (Track-mounted drive) Gradient (max. 10%) Railroad (Vehicle-mounted drive) Gradient (max. 4%)

  31. Transrapid/ICE Acceleration distance to 300 km/h (185 mph)

  32. (m2/m) 14 HST 12 TR at grade 2 TR elevated LAND CONSUMPTION

  33. Wh/seat-km (under identical conditions) cannot be achieved by Bullet trains BULLET TRAIN BULLET TRAIN MAGLEV MAGLEV MAGLEV 200 km/h 125 mph 300 km/h 185 mph 400 km/h 250 mph SPECIFIC ENERGY CONSUMPTION

  34. Values in grams per seat-km 190 60 33 30 23 Short-haul Flight BULLET TR. MAGLEV MAGLEV Car 400 km/h 250 mph 300 km/h 185 mph SPECIFIC CO2 EMISSIONS

  35. Transrapid 08

  36. THANK YOU

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