Traction induction drive for railway chuev denis epe 2003 toulouse isbn. System such a diesel electric drive, electric drive etc. Friends is video me ham electric traction ke bare me discuss kar rhe hai. Traction motors are used in electrically powered rail vehicles electric multiple. The principles of mechanical and electrical railway traction, volume 5. Railway technology today 3 edited by kanji wako railway electric power feeding systems yasu oura, yoshifumi mochinaga, and hiroki nagasawa introduction electric power technology in the railway industry refers to the means of supplying goodquality electric power to the elec. Advantages of ac traction systems it is possible to use regenerative braking in electric traction system. Hence, it is possible to achieve higher acceleration of 1. Pdf electrification traction and signalling compatibility. Introduction of traction system in hindi, electrical. A railway traction system which integrated with the model is simulated with this method. Railway technology today 3 edited by kanji wako railway electric power feeding systems. There may be two types of traction classifications on the basis of power supply.
The mechanics involves conversion of overhead electrical powerdieselsteam power in rail horse power to haul a train encountering acceleration, train, grade, curve resistance and similarly braking. A traction motor is used to make rotation torque on a machine. Simulation models have been proposed for the calculation of the induction motor dynamic characteristics. If you continue browsing the site, you agree to the use of cookies on this website. Imho, they are quite different, and both merit separate articles. Although experimental electric motors were built more than a century ago electric traction is a modern development. The traction power supply system tps is the railway electrical distribution network used to provide energy to highspeed electric trains, which comprises three. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. The first part describes electric railways in some detail and has many excellent hand engraved illustrations. The final decade of the 20 th century and the first decade of the 21 st century were marked by the enormous rise in high speed due to the huge leaps forward in electric locomotive technology. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. However, electric railways did not appear until 1890 at. The shift to domestic production of electric equipment for public trams was going forward at the time, but these were simply exact copies.
Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Electric traction on indian railways indian railway employee. Electric traction railways electric motor components. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834. Fashion, politic or strategic choices also influenced notably the evolution of electric traction. As we all know, it is electric locomoti ves that are at the forefr ont of railway traction, while the diesel locomotive is kept for some very specific uses. Pdf the paper states that the railway is a highly integrated system and there can be interactions between many of its components.
In many parts of the world, diesel electric locomotives are the primary hauling power for trains. A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, elevators or electric multiple unit. Scribd is the worlds largest social reading and publishing site. A railway electrification system is the infrastructure that allow electric traction to operate. Comments on the regional railroad network and power grid interconnection pdf. The most important challenge of traction distribution is to supply electric power to running locomotive. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc. Railway traction, reliability and safety in railway, xavier perpinya, intechopen, doi. Ppt electric traction system powerpoint presentation. The year 1881 saw the birth of the first electric railway run by a germanengineer werner van siemens using both the rails to carry the current. Download it once and read it on your kindle device, pc, phones or tablets.
Its primary side is connected with two phases of the threephase power grid. The accuracy of the designed method and comparison of the simulated results with the prototype data have. To establish this model, detail information on converter design, accurate electrical parameters and control algorithm of traction drive. Read pdf railway engine diagram railway engine diagram how a diesel electric locomotive works. Traction means drawing or pulling something over a surface.
Powerelectronics issues of modern electric railway systems a. Adhesion traction is the friction between the drive wheels and the steel rail. One of the major application of an electric drive is to transport men and materials from one place to another. Sep 29, 2009 this ppt helps to understand the concept of electric traction slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The electric traction system can be broadly divided into two groups. An adhesion railway relies on adhesion traction to move the train. Abbs railway portfolio covers the whole range of both ac and dc systems for. Electric traction mcqs answers pdf electrical engineering multiple choice questions answers. Jun 18, 20 the year 1881 saw the birth of the first electric railway run by a germanengineer werner van siemens using both the rails to carry the current.
Italian railways were the first in the world to introduce electric traction for the entire length of a mainline rather than just a short stretch. A book for students, electrical and mechanical engineers, superintendents of motive power and others. A fully electrified railway has no need to switch between methods of traction thereby making operations more efficient. Electric traction is an environmental friendly, pollutionfree and energy efficient alternative to fossil fuels. Railway traction systems alternating current electric motor. The motors used in electric traction have a very high starting torque. Optimization of target speeds of highspeed railway trains for traction energy saving and transport. This article takes a look at the role that electric motors play in this sector of the transport industry. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Features of mitsubishi electric hvigbt modules for railway traction inverters and power transmission. Single and double voltage systems are used as in autotransformer and booster transformer applications. Ingeteam is a market leader specializing in electrical engineering and the development of electrical equipment, motors, generators and frequency converters.
Our works cover both network rail and tfl controlled areas. The electric locomotive and electric motor coach may be regarded as natural developments that have followed steam traction. The second part describes structural interior wiring circa 1901. Energy saving technologies in the railway vehicle traction field can be mainly. Which of the following is an advantage of electric traction over other methods of traction. Finding this a little too dangerous, siemens soon adopted the overheadelectric wires. Electric traction control the railway technical website. Traction transformer is applied to railway as a power supply for electric power train. The term adhesion railway is only used when there is need to distinguish adhesion railways from railways moved by other means, e. Traction motor simple english wikipedia, the free encyclopedia. Railway traction systems alternating current electric.
Railway technology today 3 edited by kanji wako railway. The 9 most powerful locomotives in the world i know i can. Modeling of electric railway vehicle for harmonic analysis. What is an electric locomotive systems and their types in. Powerelectronics issues of modern electric railway systems. The 9 most powerful locomotives in the world the drive. Electric traction is widely used around the world, particularly for routes with dense traffic, like urban and suburban railways or long distance, high speed lines that need electric traction to obtain the speeds required for intercity travel. Railway electric traction is about the traction units that operate on a railway electrification system. This book is a reproduction of that original, which has been scanned and cleaned by stateoftheart publishing tools. Briefly described, an electric railway is a combination of a source of electric energy, means for transmitting it to vehicles along a right of way, including the raising and lower ing of electrical pressures and conversion of type of current, and motors on the.
Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered. Electric traction current, car, railway, motor, motors. This book may have occasional imperfections such as missing or blurred pages. Railway traction systems free download as powerpoint presentation. What is an electric locomotive systems and their types in india. Even so, many notable innovations occurred simultaneously yet independently. Advent of electric traction in ir dates back to 1925 when the electric train services introduced between bombay vt and kurla harbour on 1500 volt dc. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. Many systems have been evolved over the period based on power handling technologies available at that time and now 25 kv traction power supply is predominantly prevailing over indian railways. Electric traction railways free download as powerpoint presentation. A book for students, electrical and mechanical engineers, superintendents of motive power and others by edward parris burch, first published in 1911, is a rare manuscript, the original residing in one of the great libraries of the world. Electric traction rail transport alternating current. Depending on whether a country had rich coal deposits or huge hydropower resources, the reasons to electrify railways would have differed.
E consulting engineer, professor of electric railway engineering. Rail transport is coming back into favour for the transportation of goods over long distances. Electrification traction and signalling compatibility. Distribution of the traction return current in at electric. In an electric traction system the driving force to pull a train is generated by the traction motors. Railway and electric traction history is closely linked with the electrotechnic development rhythms, in particular transformers, motors and semiconductors. Dc traction motors 4 mfo experimental locomotive no. Traction motors are used in electrically powered rail vehicles such as electric multiple units and electric locomotives. Railway traction power transmission hvigbt modules are used for railway traction inverters and power transmission. A new modeling method for electric railway vehicle is proposed. A long tradition in electric railway engineering electrifying history. Electric traction systems are various electrical systems that are used to drive railways.
This ppt helps to understand the concept of electric traction slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. At present 28 per cent of route kilometres on indian railways are electrified. A book for students, electrical and mechanical engineers, superintendents of motive power and others interested in the development of electric traction for railway train service electric traction by electric railways for ordinary service. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. Transfer of power from stationary equipment to running locomotive is either through. Traction motors in diesel locomotives ee publishers. Electric traction by steam railroads for special situations. Application recommendation light rail english english pdf application note. Railway electrical engineering association of japan, vol. The little electric models constructed by early inventors have developed into the electric expresses and giant electric freight engines, in use throughout the world at the present time. This particular copy has seen hard times and is clearly deteriorating so i have elected to scan the part on electric railways for preservation and to present it here. On electrifications, technologically strong solutions were implemented until ones with. Special transformers railway transformers 5 ac traction feeder transformers application ac traction feeder transformers are used between normal threephase ac networks and singlephase catenary systems. Any crossover of content between the two should be avoided.
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