Tiss to deliver replacement electric equipment for taiwan high speed rail. Electric locomotivestraction trains show categories. Although there are many different standard voltages and several differ ent frequencies in use for electric railway traction supplies, all such systems. Since the application of the induction motor fed by three phase inverter to the electric railway vehicle, the vector control system which drives parallelconnected. Power quality control in dc traction systems using static. With dynamic braking, the locomotives wheels are used to drive the traction motors.
Several types of diesel locomotive have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels early internal combustion locomotives and railcars used kerosene and gasoline as their fuel. Electric locomotives with rectifiers and dc motors v. Abb as a pure traction chain and electrical partner for. Dieselelectric locomotive sd90mac with threephase drive. Electric traction control the railway technical website prc rail. The traction system that doesnt use electricity at any stage of a vehicle movement is referred to as a nonelectric traction system. More modern units with adhesion control such as sd60s and dash 8s have adhesion levels of 25% to 27%. Modern locomotives have electric motors connected to the drive axles. First generation dc locomotives such as sw1200s, gp9s, sd40s, and ge center cabs typically have adhesion levels of 18% to 20%. Tecu traction engine control unit tmv control systems. Synergetic control of asynchronous electric traction.
Several types of diesel locomotive have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels. As explain by aniruddha, traction motors work like any other electric motor. Feb 05, 2018 electric locomotives are used on freight routes with consistently high traffic volumes, or in areas with advanced rail networks. Diesel locomotives never reached the speeds of electric locomotives. Kishore shinde saideep surve ramindar singh sood introduction driving forward of vehicle is called traction and the system, which employs this type of mechanism is called traction system classified broadly into two groups namely. Tiss to supply 68 units of electric locomotives to taiwan railways administration.
Tecu is tmvs complete electronic control package for your locomotive. 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 traction motors are used in electrically powered rail vehicles electric multiple units and other electric vehicles including electric milk floats, elevators, roller coasters, conveyors, and trolleybuses, as well as vehicles with. How do traction motors work in electric locomotives. Aals electric traction and control systems for miniature. The ge evolution series of locomotives being built in south africa are sixaxle locomotives two groups of three at the front and rear, all axles driven using ac individualaxle tractioncontrol technology that enables greater hauling power by reducing slippage on start. Traction systems for locomotives and high speed applications. Electric locomotive in hindi electric traction youtube. Speed due to the huge leaps forward in electric locomotive technology. Authors have analyzed acs of traction generators of typical dieselelectric locomotives 2m62, tep70 and proposed to use semiconductor static converters for excitation of traction generators a15 in the upgraded lg dieselelectric locomotives. Introduction when fuel usually diesel fuel is burnt in the cylinders of the internal combustion engine in locomotives, the. The package allows for easy integration in a variety of new locomotives, streetcars, and marine vehicles, as well as an upgrade to existing platforms and older diesel electric trains.
To enable the locomotive to perform this task, it is equipped with suitable equipments, which enable loco pilot to. Electricity enables faster acceleration and higher tractive effort on steep gradients. Power plants, even if they burn fossil fuels, are far cleaner than. A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. 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. Electric locomotives, traction control equipment, auxiliary power supply equipment, traction motor, train information system, atcats system, etc. Rail traction synchronous generators for dieselelectric locomotives abbs unique, vibration resistant traction generators boost the reliability of modern low emission engines. They are also used in electric vehicles, such as electric. Adding further to your knowledge, there are two types of motor with used in electric traction in india i. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Rudolf diesel patented his first compressionignition. Dc feeding system the system that it is going to be analyzed and compensated is a direct current electric traction system. Nov 30, 2015 the electric traction system is the most efficient of all other traction system such as steam and internal combustion ic engine type systems. Siemens charger dieselelectric locomotives are specifically designed for north america relying on the experience of its proven vectron platform, currently pulling some 1,600 passenger and freight cars throughout europe.
The project model of dc feeding scheme is shown in fig. The change came first and most quickly in north america, where, during the 25 years 193560 and especially in the period 195160, railroads in the united states completely replaced their steam. Electronic antislip, braking and traction control systems. The simplified and advanced modelling approaches of a locomotive electric power system are compared in this paper in order to answer a fundamental question. Product note rail traction synchronous generators for. The problem of synthesis of the control system of locomotive asynchronous electric traction drives with regard to processes in the wheelrail contact. It offers several benefits over other systems, including quick start and stop, very efficient, pollutionfree, easy to handle and easy speed control. Traction motors in diesel locomotives ee publishers. A traction control method for slip suppression of electric locomotives. Currently, a significant part of the locomotive fleet uses a rheostatcontactor traction motor control system that was developed more than a century ago, and the use of accelerating resistors is. Tecu can be configured into motherslug configurations, conventional diesel electric locomotives, dieselhydraulic locomotives, passenger trains and streetcars. It is used for local delivery of good in large towns with maximum daily run of 50 to 60 km. Traction systems for locomotives as a major supplier of traction systems, abb works with most of the leading rolling stock manufacturers and offers complete portfolio of traction solutions from a few 100 kw to more than 7 mw and for all types of locomotives e.
The electric locomotive draws power from the over head equipment ohe with the help of pantograph and converts this electrical energy to mechanical energy, in controlled manner, through traction motors which drive the axles. Jun 27, 20 electric traction the system which use electrical power for traction system i. In article analysing typical electrical locomotives were manufactured with analogous control systems 2m62, tep70 of the entire power train and electric drive, which have a lot of deficiencies. The main advantage of electric traction is a higher powertoweight ratio than forms of traction such as diesel or steam that generate power on board. Pdf modernization of dieselelectric locomotive 2m62 and. The map used to trace out circuits and locate trouble on dieselelectric locomotives is called a schematic diagram. Electric locomotive 1044 for austrian federal railways. Diesel locomotives an overview sciencedirect topics. Traction motor 1tb2830 the fourpole squirrelcage threephase induction motor is designed specifically for use on locomotives. With dynamic braking, the locomotive s wheels are used to drive the traction motors. Review of locomotive electric drive control design.
Pdf adhesion control of heavyduty locomotive based on axle. Electric locomotive ss 4 and diesel locomotives df 6 and df 8 may be used as doublelocomotive traction for drawing the trains with a total mass of 5000 t to realize speed more than 90 kmh, so as to meet the requirements of freight transportation. Request pdf simplified and advanced modelling of traction control systems of heavyhaul locomotives improving tractive effort is a very complex task in locomotive design. The contractfor 300 shunter locomotives and an 18year 175 passenger evolution service agreementmarks a continued commitment to kazakhstans rail infrastructure chicago, january 17, 2018 ge transportation nyse. They are also used in electric vehicles, such as electric milk. Electric traction electrotechnics and electrification jeanmarc allenbach 2.
The ge evolution series of locomotives being built in south africa are sixaxle locomotives two groups of three at the front and rear, all axles driven using ac individualaxle traction control technology that enables greater hauling power by reducing slippage on startups, inclines and during suboptimal track conditions. System of electric traction mechanics of train movement. Train traction systems for passenger comfort and easier. The electric motors receive electric power either from an onboard power source e. Operates at or near break down torque of the motor across the entire speed range. Efficiently and quickly managing hundreds of analog and digital input and output signals, tecu is nimble yet robust in meeting the rigors associated with rail applications. Microprocessorbased traction control system for 25 kv ac. Or electric traction means a locomotion in which the driving force is obtained from electric motors. Electric traction will continue to play a dominant role in the railway since it is an. This paper describes the modelling of a locomotive with a bogie traction control strategy based on a cosimulation approach in order to deliver more accurate results. The increasingly strict requirements that are being placed on transportation safety and traction rolling stock automation makes necessary the development of microprocessorbased control systems.
This variable incorporates many factors including electrical design, control systems, truck type and wheel conditions. Pdf the traction force of heavyduty locomotive is reduced significantly and. Siemens charger diesel electric locomotives are specifically designed for north america relying on the experience of its proven vectron platform, currently pulling some 1,600 passenger and freight cars throughout europe. Rail american traction systems electric propulsion. In the power control circuits, the energized magnets are located between the control switch and the operating coils. Modernization of dieselelectric locomotive 2m62 and tep. What is an electric locomotive systems and their types in. Electric vehicle and electric motor traction motor refers to a type of electric motor. The traction control technology of the 1980s was based on general purpose 16 bit microprocessors with softwarebased control.
Tomytec co ltd series 115 300 4car suburban commuter trainonly set standard dc tomix addon set a japanese national railways jrjnr shonan scheme, green, orange. Traction motors are used in electrically powered rail vehicles such as electric multiple units and electric locomotives. By the end of the 1960s, diesel had almost completely superseded steam as the standard railroad motive power on nonelectrified lines around the world. Dalian, china drive systems for locomotives, dc train drive systems. American traction systems ac propulsion systems for locomotives have been operating in daily service since 20. It doesnt state ac breakers are not suitable, just that they need to be suitable for the application. In electric trains or locomotives, the dc motor was traditionally mounted in the bogie frame supported partially by the axle which it drove. Locomotives rolling stock system power supply system information system high speed railway lrt electric bus epc project management. Electric traction the system which use electrical power for traction system i. From the high voltage grid, two substations are connected at each. Traction control slip and slide control inverter protection diagnostics m 3 m 3 m 3 traction control unit sibas 16 slip and slide control diagnostics traction inverter locomotive and traction control the control system of the entire locomotive is based on microcomputer technology.
Simplified and advanced modelling of traction control. A traction motor is used to make rotation torque on a machine. Wheel slip control algorithm that compensates for wheel wear. Steves railroad pages, information on dieselelectric. Review comments version 04062018 600w both 24vdc with dc then ac.
Railvolution issue 022011 traction transformers for bombardiers kiruna electric locomotives english pdf article railvolution issue 062010 traction transformers for bombardiers alp45dp locomotive english pdf article abb powers rail traffic in germany english pdf reference case study. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a battery or a supercapacitor electric locomotives with onboard fueled prime movers, such as diesel engines or gas turbines, are classed as diesel electric or gas turbine electric and not as electric locomotives, because the electric generatormotor combination. The compact, high performance generators cover powers from 1 to over 3 mw with efficiencies up to 96. Control techniques for electric drives, block diagram representation, transfer functions, transient response, frequency response and stability, compensating techniques. Such a traction system is used in steam locomotives, ic engines, and in the maglev trains high speed trains. Dec 16, 2019 the increasingly strict requirements that are being placed on transportation safety and traction rolling stock automation makes necessary the development of microprocessorbased control systems. The last part of this thesis is focused on specialized realtime traction control that regulates the wear to low levels, which is. Early internal combustion locomotives and railcars used kerosene and gasoline as their fuel.
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