maglev train full report
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 ahamedpasha Active In SP Posts: 1 Joined: Feb 2010 24-02-2010, 06:12 AM i need ppt on maglev topic its veryvery urgent plz send it
 projectsofme Active In SP Posts: 1,124 Joined: Jun 2010 25-09-2010, 10:03 AM INTRODUCTION Magnetic levitation is the use of magnetic fields to levitate a (usually) metallic object. Manipulating magnetic fields and controlling their forces can levitate an object. Using either Ferromagnetism or Diamagnetisim object can be leviated. A superconductor is perfectly diamagnetic and electromagnets can exhibit varying levels of ferromagnetism Most imoportant application of Magnetic Leviation is Transrapid magnetic lift trains For the ppt of the article Maglev –Magnetic Leviation please download it from here...... Attached Files   Maglev Trains.ppt (Size: 1.76 MB / Downloads: 645)
 projectsofme Active In SP Posts: 1,124 Joined: Jun 2010 27-09-2010, 10:12 AM   maglev.doc (Size: 985.5 KB / Downloads: 370) ABSTRACT This paper “ MAGLEV ” deals with the present scenario of magnetic levitation. The magnetically levitated train has no wheels, but floats-- or surfs-- on an electromagnetic wave, enabling rides at 330 miles per hour. By employing no wheels, maglev eliminates the friction, and concomitant heat, associated with conventional wheel-on-rail train configurations. There are two basic types of non-contact Maglev systems Electro Dynamic Suspension (EDS) , and Electro Magnetic Suspension (EMS). EDS is commonly known as " Repulsive Levitation ," and EMS is commonly known as "Attractive Levitation". Each type of Maglev system requires propulsion as well as "levitation." The various project and implimentations above use different techniques for propulsion, but they are all variations of the Linear Induction Motor (LIM) or Linear Synchronous Motor (LSM).The conversion to a linear geometry has a far greater effect on induction motor performance than on that of synchronous motors. The cost of making the guideway is a high percentage of the total investment for a maglev system. The comparison looks even better for maglev when the terrain becomes difficult. Many of the tunnels, embankments, and cuttings necessary for roads and railroads are avoided because maglev guideways can be easily adapted to the topography. The Maglev system requires a slightly larger start-up capital construction cost, its operating cost-- because it deploys electricity in electromagnets in an extraordinarily efficient manner, rather than using as a fuel source coal, gas or oil-- can be one-half that of conventional rail. The crucial point is that maglev will set off a transportation and broader scientific explosion. Air flights are and will remain beyond the reach of a major section of society, particularly in India . Moreover there are problems of wastage of time in air traffic delays and growing safety concerns. Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. Besides, increasing pollution levels from automobiles, depleting fuel resources, critical dependence on the fuel import and due to a limited range of mobility of buses and cars the need for fast and reliable transportation is increasing throughout the world. High-speed rail has been the solution for many countries. Trains are fast, comfortable, and energy-efficient and magnetic levitation may be an even better solution. Development of magnetic levitated transport systems is under progress in developed countries and it is just a matter of time they make inroads to India as well. Therefore, it will be interesting to know about the science and technology behind mass ground transport system known as "magnetic flight".
 ajithj Active In SP Posts: 1 Joined: Oct 2010 12-10-2010, 02:09 PM I want figures of maglev train
 seminar surveyer Active In SP Posts: 3,541 Joined: Sep 2010 22-12-2010, 03:54 PM   maglev train.docx (Size: 282.27 KB / Downloads: 180) 1. INTRODUCTION It’s a form of transportation that suspends ,guides and propels vehicles via electromagnetic force. This method can be faster and more comfortable than wheeled mass transit systems. Maglevs could potentially reach velocities comparable to turbo prop and jet aircraft (500 to 580km/hr). Maglev Technology has minimal overlap with wheeled train technology and is not compatible with conventional rail road tracks. Because they cannot share existing infrastructure , maglevs must be designed as complete transportation system.The term “MAGLEV” refers not only to the vehicles but to the vehicle/guideway interaction each being a unique design element specifically tailored to the other to create and precisely control magnetic levitation. Due to the lack of physical contact between the track and the vehicle, the only friction exerted is that between the vehicles and the air. Consequently, maglevs can potentially travel at very high speeds with reasonable energy consumption and noise levels. Systems have been proposed that operate at up to 659km/hr(404mph) which is faster than is practical with conventional rail transport. The very high maximum speed potential of maglevs make them competitors to airline routers of 1,000 kilometer(600 miles) or less. 2. TWO BASICALLY DIFFERENT CONCEPTS OF MAGNETIC SUSPENSION HAVE EVOLVED,  The attractive electromagnetic suspension (EMS) uses electromagnetic on the train body which are attracted to the iron rails. The vehicle magnets wrap around the iron guideways and the attractive upward force lifts the train.  The electrodynamics suspension (EDS) levitates the train by repulsive forces from the induced current in the conductive guide ways. 3. WHAT IS LEVITATION ? LEVITATION (from Latin levis, light) is the process by which an object is suspended against the gravity, in a stable position, by a force without physical contact. LEVITATION is the raising of a human or other object in the air without any mechanical aid.   THREE TYPES OF MAGLEV TECHNOLOGY There are three primary types of maglev technology, 1. ELECTROMAGNETIC SUSPENSION (EMS) relies on feedback controlled electromagnets. Example: Transrapid 2. ELECTRODYNAMIC SUSPENSION (EDS) relies superconducting magnets. Example: JR-Maglev 3. INDUCTRACK RELIES on permagnets. 4. PROS AND CONS OF DIFFERENT TECHNOLOGY Each implementation of the Magnetic Levitation principle for train type travel involves advantages as well as disadvantages. 5. THEORY: The Inductrack and the Superconductivity EDS are only levitation technologies. In both cases,vehicles need some other technology for propulsion. A Jet Engine and a linear motor are being considered, such as the linear motor used for propulsion in the Japanese Superconducting EDS MLXOI Maglev. The German Transrapid Electromagnetic Maglev uses a linear motor for both levitation and propulsion. Neither Inductrack provides levitation down to a much lower speed. Wheels are required for both systems. EMS systems are wheel-less. The German Transrapid Japanese HSST(linnimo) and Korean Rotem Maglevs levitate at a standstill, with electricity extracted wirelessly for Transrapoid .If guideway power is lost on the move, the Transpoid is still able to generate levitations down to 10km/hr speed, using the power from onboard batteries. This is not the case with the HSST and Rotem systems
 seminar class Active In SP Posts: 5,361 Joined: Feb 2011 17-02-2011, 04:45 PM Maglev Trains How Transrapid Works Support System • The electromagnets on the underside of the train pull it up to the ferromagnetic stators on the track and levitate the train. • The magnets on the side keep the train from moving from side to side. • A computer changes the amount of current to keep the train 1 cm from the track. This means there is no friction between the train and the track Levitation System’s Power Supply  Batteries on the train power the system, and therefore it still functions without propulsion.  The batteries can levitate the train for 30 minutes without any additional energy.  Linear generators in the magnets on board the train use the motion of the train to recharge the batteries.  Levitation system uses less power than the trains air conditioning. Propulsion System • The system consists of aluminum three-phase cable windings in the stator packs that are on the guideway • When a current is supplied to the windings, it creates a traveling alternating current that propels the train forward by pushing and pulling. • When the alternating current is reversed, the train brakes. • Different speeds are achieved by varying the intensity of the current. • Only the section of track where the train is traveling is electrified Application Information Safety • The trains are virtually impossible to derail because the train is wrapped around the track. • Collisions between trains are unlikely because computers are controlling the trains movements. Maintenance • There is very little maintenance because there is no contact between the parts. Comfort • The ride is smooth while not accelerating.. Economic Efficency • The initial investment is similar to other high speed rail roads. (Maglift is \$20-\$40 million per mile and I-279 in Pittsburg cost \$37 million per mile 17 years ago.) • Operating expenses are half of that of other railroads. • A train is composed of sections that each contain 100 seats, and a train can have between 2 and 10 sections • The linear generators produce electricity for the cabin of the train. Speed • The train can travel at about 300 mph. (Acela can only go 150 mph) • For trips of distances up to 500 miles its total travel time is equal to a planes (including check in time and travel to airport.) • It can accelerate to 200 mph in 3 miles, so it is ideal for short jumps. (ICE needs 20 miles to reach 200 mph.) Environment • It uses less energy than existing transportation systems. For every seat on a 300 km trip with 3 stops, the gasoline used per 100 miles varies with the speed. At 200 km/h it is 1 liter, at 300 km/h it is 1.5 liters and at 400 km/h it is 2 liters. This is 1/3 the energy used by cars and 1/5 the energy used by jets per mile. • The tracks have less impact on the environment because the elevated models (50ft in the air) allows all animals to pass, low models ( 5-10 ft) allow small animals to pass, they use less land than conventional trains, and they can follow the landscape better than regular trains since it can climb 10% gradients (while other trains can only climb 4 gradients) and can handle tighter turns. Attached Files   Maglev Trains.ppt (Size: 303.5 KB / Downloads: 152)
 seminar class Active In SP Posts: 5,361 Joined: Feb 2011 21-03-2011, 09:29 AM PRESENTED BY: AMIT KUMAR   AMIT.ppt (Size: 4.28 MB / Downloads: 243) INTRODUCTION  MAGLEV is the combination of two words MAG and LEV.MAG defines the electromagnetism and LEV defines its use in transportation.  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.  A few countries are using powerful electromagnets to develop high-speed trains, called maglev trains. HISTORY 1930’s: Hermann Kemper (Germany) was developing a concept to use magnetic fields with trains 1968: Americans James R. Powell and Gordon T. Danby got a patent for their maglev train design HOW IT WORKS OPERATION MagLev vs. Conventional Trains DISADVANTAGES Still being developed Safety issues Loss of power supply could cause serious accidents Expensive to build \$10-30 million per mile ADVANTAGES Fast Quiet ECO- Friendly No emissions Good alternative to planes Easy maintenance No friction THE FUTURE OF MAGLEV • Maglev in the USA? - California is project and implimentationed to begin construction of a \$6 billion Maglev project and implimentation in 2003. • Maglev Rockets? NASA is looking into maglev technology for rockets.
 amalj Active In SP Posts: 3 Joined: Mar 2011 21-03-2011, 03:32 PM pls send me the ppt of maglev.pls
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 seminar class Active In SP Posts: 5,361 Joined: Feb 2011 12-04-2011, 12:03 PM PRESENTED BY: TONY PEDERSON & TOBY MILLER   MAGLEV.ppt (Size: 147.5 KB / Downloads: 188) PROJECT SUMMARY The goal of the project and implimentation is to design a model size train to will be levitated and propelled by electromagnetism. A special magnet array called a Halbach array will be utilized along with a linear synchronous motor to make this train operate. STANDARDS • ENVIRONMENTAL STANDARDS – Reduction in pollution in the area where they will be used will out way the increased pollution crated by power plants to power the trains. • SAFETY STANDARDS – Must prove that the new technology is safe to use. TRAIN • Made out of aluminum to minimize weight • 4 rows of 8 magnets arranged in a Halbach Array • 2 rows for levitation • 2 rows for lateral guidance and propulsion • May or may not have speed sensor. This will be determined later TRACK • 2 aluminum guide ways • Wires will be wrapped around guide way to provide the levitation circuits • A G scale model railroad track will be laid between guide ways to provide support for take off and stopping. • A linear synchronous motor will be attached to the track to provide propulsion ELECTRODYNAMIC SUSPENSION • The magnets on the train produce currents while traveling in the guide way. This uses repulsion to guide and support the train, but will need a support for “landing” and “takeoff” since EDS does not work below 25 mph on a full size train. The minimum speed for levitation will be determined later once the train is built. It has been determined to be a function of magnet size and weight. PRELIMINARY WORK • Almost all time has been spent on research • IEEE Transactions have been very helpful • No track calculations have been made. The train has to be built first to determine weight of train. PREDICTED TIMELINE SPRING SEMESTER • WEEK 1 - BUILD THE TRAIN. • WEEKS 2-4 - FINISH DESIGNING TRACK AND BUILD IT. • WEEKS 5-12 - TESTING AND DESIGNING A CONTROLLER. • WEEKS 13-16 – PREPARING FOR FINALE PRESENTATION.
 seminar class Active In SP Posts: 5,361 Joined: Feb 2011 18-04-2011, 11:49 AM PRESENTED BY- Arvind Singh   Arvind singh.ppt (Size: 443.5 KB / Downloads: 107) What is maglev train ?  Maglev trains are the fastest trains in the world! Maglev is short for magnetic levitation which basic principles involve the use of magnetism to levitate an object .  Maglev trains are theoretically capable of speeds upwards of 4,000 miles per hour if operating in a vacuum. The highest recorded speed for a maglev train is 581 kilometres per hour. This record was set by a Japanese experimental maglev train in 2003. Origin of maglev tech.  The first serious maglev research was done by British researcher Eric Laithwaite in the 1960s.  In 1979, the first passenger-carrying maglev train entered service in Hamburg, Germany.  The first operating maglev system was built in Britain, at the Birmingham airport in 1984, where it was used as a people mover. How maglev train work?  Maglev trains use the basic principle of magnetism to force the train upwards above the track surface. The simple way of visualizing this is to imagine the train repelling away from the track surface. How maglev train move ?  It uses the principles of linear induction and magnetism to propel the train forwards or backwards. The combination of repulsive and attractive magnetic forces cause the train to move towards a region of track. In the same fashion, to slow down the train while it is moving, we must apply the repulsive and attractive forces in such a way opposite to which the motion started. Levitation System’s Power Supply  Batteries on the train power the system, and therefore it still functions without propulsion.  The batteries can levitate the train for 30 minutes without any additional energy.  Linear generators in the magnets on board the train use the motion of the train to recharge the batteries.  Levitation system uses less power than the trains air conditioning. The Maglev Track  The magnetized coil running along the track, called a guideway, repels the large magnets on the train's undercarriage, allowing the train to levitate.  Following fig. show the track for maglev  The following diagrams below show the side view and top view of the track.  Magnetic Levitation (Track Side View): --N---N---N---N---N---N ================= n---n----n---n----n---n---n Maglev Propulsion (Top Down View): n---s----n---s----n---s---n ================= --N---S---N---S---N---S +++> ================= n---s----n---s----n---s---n Propulsion System  When the alternating current is reversed, the train brakes. • Different speeds are achieved by varying the intensity of the current. Types of Maglev Propulsion  There are three basic types of maglev propulsion:  Electromagnetic suspension uses the attractive magnetic force to lift the train.  Electrodynamic suspension uses the repulsive magnetic force to lift the train away from the rail  Stabilized permanent magnet suspension uses opposing arrays of permanent magnets to suspend the train above the guide way. Application Information  This system is not ready for use now, but it should be ready in a few years.  It’s top speed with people aboard is 350 mph.  The super conducting magnets create a strong magnetic field that could be a problem for some passengers.  The train is earthquake proof because the greater space (10 cm) between the track and the train leaves more room for track deformation  Linear generators will produce all the electricity needed in the train’s interior.  Only the part of the track that is used will be electrified so no energy is wasted. The Future of Maglev Trains  There are currently more than a dozen proposals for high speed maglev trains in various stages of review in countries around the world.  There also plans under consideration for maglev systems in India, Pakistan and the United States  “Mumbai to Delhi: Three Hours by Train.” Express India. Summery  Maglev trains use magnets to levitate and propel the trains forward.  Since there is no friction these trains can reach high speeds.  It is a safe and efficient way to travel.  Governments have mixed feelings about the technology. Some countries, like China, have embraced it and others like Germany have balked at the expense.
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