They use a powerful diesel engine to generate the electricity that drives the electric motors that spin the wheels. The electric power is supplied to the locomotive propulsion drives via overhead lines. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a battery or fuel cell. Pdf adhesion control of heavyduty locomotive based on axle. This paper studies the case of a typical consist of three coco diesel electric. Electrical braking resistor device for dissipating braking energy, with at least one airpermeable resistor package 14 which is arranged in a wall 12 of a housing, and a fan 15, which conveys cooling air through the resistor package to an air outlet 19 characterized in that the resistor package 14 is arranged on the suction side of the fan 15, so that the housing 10 is forcibly. While turbine engines are lighter for the same amount of power produced, they require more specialized maintenance than the traditional two or four. Modernization of dieselelectric locomotive 2m62 and tep. Major components of the traction system are built at siemens plants in alpharetta, georgia and norwood, ohio. In deep and trustful partnerships with vehicle builders, refurbishers, and rail operators, we supply stateoftheart traction systems. Diesel electric locomotives like the machines ge is building are essentially power plants on wheels. Electric locomotives have provided hauling power to trains since 1837.
Fully loaded vehicles may reach a total weight of more than 600 tons. The main unit is 32 km from asansol and 237 km from kolkata. These poly phase motor machines are powered from g. Be aware of warnings, cautions, or hazards and additional clarifications when performing maintenance. D87btr traction motors 2630 mac70, 2830 mac 80, 3432 mac 70 ace and geb traction motors ac rotor pinion advancement ac stator rewinding rail products international, inc. Battery electric drive, diesel electric drive, etc. Electric locomotive with hydro electric power plant 4042%. Electric locomotive in hindi electric traction youtube. A year later it built another which utilized a pair of trucks and nosesuspended traction. It was the worlds first main line electric locomotive with asynchronous traction motors. Diesel electric locomotives introduction an understanding of the structure of a locomotive mechanically and electrically is essential to a person attempting to perform maintenance and repair services on it.
All forms of traction motor require a dc supply, either directly in the case of the dc motor, or indirectly, via the vfd in the case of the ac motor. Jun 28, 2018 psm v43 d751 general electric thirty ton electric locomotive. Clw has stores and offices in kolkata, as well as inspection cells in. Rigidframed electric locomotives were some of the first generations of electric locomotive design. Electric propulsion controls for locomotives electronics360. The guidance is taken from the output of strings geno types in one. Thyristors in railway traction how can their effects be. However, the lowvoltage dc feed made it difficult to develop electric locomotives with sufficiently high output to replace steam locomotives for hauling heavy passenger. It is vital equipment and its proper upkeep and maintenance is necessary to ensure reliability and availability of ac electric locomotive. The rest of the report portrays the locomotive parts, its working and technical data.
Brake system must be eecp enhancedelectronically controlled pneumatic system. The site covers all aspects of railways in the british isles, including preserved steam and classic diesels and electric traction. Ferrmed locomotive should have the capability of communication with the wagons. This procurement is also for all locomotive work needed to obtain tested locomotives, ready for operation when presented for final acceptance. Maintenance handbook on tap changer of ac electric. Electric traction is the most efficient of all other systems and is going to be the future system to be 5312. General electric 23 and 25 ton, 150 hp, diesel electric locomotive.
Review of characteristics of different types of dc and ac motors used traction and their suitability moduleiv 10 hours rating and heating of electric drives, power loss, heating and cooling of motors, classes and duty and selection of motors, drives for. One of the initial simplest wheel arrangements for a mainline electric locomotive, from around 1900, was. Experiment on electric locomotive electric traction. Traction inverter locomotive and traction control the control system of the entire locomotive is based on microcomputer technology. Diesel electric traction has comparatively limited over load capacity because a. This control unit processes the commands coming from the driver or trainlines to form the reference values for. Taking into consideration that the diesel engine power in locomotives with electric drive is from 800 kw to 6 000 kw, the issues of energy economy in electric locomotives with power up to 10 000 kw and more are of high importance. Dec 14, 2012 warranty, spare parts and apparatus required for locomotive construction, use of all facilities needed for locomotive construction, and the actual assembly of the s. By the end of the 1960s, diesel had almost completely superseded steam as the standard railroad motive power on nonelectrified lines around the world.
The new classic traction tv free video website is now up and running, where you can view a variety of recent and archive video and footage. From 1919 to 1922, fouraxle electric locomotives, including traction motors, were designed by the government hitachis class ed15 was the first domestically built electric locomotive completed in 1924 and delivered to government railways in 1926 the railway museum. The guidance is taken from the output of strings geno t. Dieselelectric locomotive sd90mac with threephase drive. The circuitry of the input converter which provides a dc supply. Modeling and simulation for the acdc electric locomotive. For supplying the power to electrified railway, a number of railway traction substation is built. Total solutions for quality locomotive electrical rotating. Thus, the dynamic braking energy is converted into heat and dissipated from the system.
It comprises a sibas 16 traction control unit for each inverter and a locomotive control unit. In a diesel electric locomotive, the engine is not a drive engine turning the wheels and moving the train, as is frequently believed. Six general electric ge750 directcurrent, seriesfield, 1500volt traction motors insulated for 3000 volts are furnished. Ac electric locomotives for turkish state railways tcdd turkish state railways tcdd diesel electric locomotives diesel electric locomotives hxd3 7,200kw electric locomotive traction system and auxiliary power system for korails 8500 series electric locomotive auxiliary power system for city rail electric train equipment for lrta line no.
Traction engines since 1950, the company is supplying diesel engines for railway companies. References publications pertinent to the operation and maintenance of dais equipment are listed in the appendix. Nowadays, diesel locomotives still are in excess in some countries and are. Determination of traction characteristics of diesel locomotives by.
Jan 1, 2021 here are some electric locomotives we love, and would love to make models of see more ideas about electric locomotive, locomotive, train. Ac traction drive systems arent exactly new systems, but improved technology and favorable economics have helped increase their market share in the u. Locomotive electric braking system may be divided into dynamic, and regenerative. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. Srivastava control instrumentation division genesis of the project indian railways have a large variety of ac locomotives in their fleet. Sep 11, 2016 parts of electric locomotive transformer the line voltage has to be stepped down before use on the train. In many modern motors, the rectifier unit is supplied as part of the alternator and matched to the machine characteristics. What is the difference between an electric and a diesel.
The information to be safely to the traction circuits. Motorend inverter can be a current source inverter or a voltage source inverter3. Electric locomotive ss 4 and diesel locomotives df 6 and df 8 may be used as double locomotive 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. Upon completion of the subcourse, you should be able to identify the mechanical parts of a diesel electric locomotive, to explain how the components of the electric system work, to. Microprocessorbased traction control system for 25 kv ac. The traction motor cooling blower and its motor is used in all wam4, wag5, wag7, wap1 and wap4 class of ac electric locomotives. Be sure that the pantographs have enough clearance on your layout. Contents introduction electric locomotive divisions transmission system traction system parts of locomotive advantages conclusion 2 3. Such vehicles are used in mining operations worldwide, working under extremely harsh conditions. The system which use electrical power for traction system i.
High power resistors for transportation systems gino ag. Light bulb replacement this locomotive uses a 12 volt bayonet style bulb. 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. Reattach the sideframes and reassemble as directed above. Pdf modernization of dieselelectric locomotive 2m62 and. Microprocessorbased traction control system for 25 kv ac locomotives y.
Electric locomotive with thermal power plant 3436% 5. Optimising power management strategies for railway traction. Maintenance handbook on tap changer of ac electric locomotives march,2002 2 foreword the proper maintenance of tap changer is necessary for trouble free operation of electric locomotive and to avoid failure enroute. Stretch the new traction tire over the wheel making sure that it does not twist and seats smoothly in the wheel groove. Nowadays ac traction system used three phase current rather than single phase of household use. Traction transformers for trains and railway stock transform the overhead contact line voltage, which ranges mainly from 15 kv or 25 kv to voltages suitable for traction converters 0.
Traction systems for locomotives and high speed applications. A year later it built another which utilized a pair of trucks and nosesuspended traction motors. This locomotive is made to meet all european standards and will be able to work in different systems of electric traction. Authorized forums the forms generally applicable in the operation and maintenance of this equipment are listed in the appendix. Chittaranjan locomotive works clw is an electric locomotive manufacturer based in india.
The solid rail application experience combined with extensive development resources allows abb to design stateoftheart generators, renowned for their reliability and energy efficiency, enabling customers to build modern ultralight locomotives for the demanding highspeed rail. Rpiis a leader in providing remanufacturing services to the railroad industry for electric transmission components used for both freight and passenger locomotives. Lionel gg1 electric locomotive owners manual 718354250 305 system featuring and do not attempt to raise or lower the pantographs by hand. As a singlephase rectifier load, the electric locomotive traction load. Diesel electric locomotive report to be written iii. Experimental determination of values for basic resistance and traction characteristic were carried out on a diesel electric locomotive,series jz 640. If electric supply is used for driving a locomotive, the system is known as electric traction. This is the first complete transfer of a high speed electric locomotive to the us. Ac drive systems like american traction systems ac propulsion systems for locomotives have been in operation since 20. Apr 17, 2015 contents introduction electric locomotive divisions transmission system traction system parts of locomotive advantages conclusion 2 3. Modernization aspects of diesel electric locomotive series tep70 modernization of acdc diesel electric locomotive tep70 used for traction of passenger cars was completed in 2015, in a. Camtech has prepared this handbook to cover all essential aspects of maintenance of tap changer.
Since then, over 300 engines were delivered for traction applications both shunting and mainline service. Abb is a leading independent traction generator and motor supplier with iris certified production facilities. In a typical prior art ac locomotive, however, the dynamic braking grids are connected to the dc traction bus. Measurement and assessment of outofround electric locomotive. Making a thorough study of the convention type bogie and suspension of wap4 makes the report. Electric locomotives, traction control equipment, auxiliary power supply equipment, traction motor, train information system, atcats system, etc. Diesel electric locomotive is heavier than an ordinary electric locomotive.
Literature survey the electric locomotives contain 6 traction motors each driving one shaft. Pdf study on bogie and suspension system of an electric. Explore traction pdf by gino wickman audible studios listen to traction. Thyristors in railway traction how can their effects be measured. Trains have been a crucial part of americas infrastructure ever since two locomotives drew nosetonose at promontory summit in utah on may 10, 1869, marking the completion of the first transcontinental railroad. System block diagram of an ac locomotive the tramways collector gear for ohe confusion regarding weight and mass of train tractive. Feb 25, 2021 the traction motors on a diesel electric locomotive can be reversed to facilitate breaking, however a train with a full consist still takes some distance to stop. Application of flywheel energy storage for heavy haul locomotives. When these began the traction motors of these early locomotives, particularly with ac motors, were too large and heavy to be mounted directly to the axles and so were carried on the frame. 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. Unlike steam and diesel locomotives, electric locomotives do not carry their fuel on b.
The batterypowered locomotive is the perfect complement to its diesel electric brethren. Today electric locomotive have invariably three phase induction motors. The traction force of heavyduty locomotive is reduced significantly and unable to fulfill the actual traction demand when the wheel slip phenomenon occurs. Electric traction mcq with explanation objective type. The cost of electric devices in modern locomotive can be reduced by 50% of the total cost of the vehicle. Prepare a report after visiting a electric traction substation 8. Ferrmed locomotive must allow distributed multiple traction.
Experimental eightaxle, twosection electric locomotive vl80a751 with a capacity of 9,600 kw for 1,520 mm track gauge, produced by the novocherkassk electric locomotive plant in 1971. Analysis, evaluation and simulation of railway dieselelectric and. Service and training anglo belgian corporation operates throughout the. Authorized forums the forms generally applicable in the operation and maintenance of this equipment are listed in. The speed of a locomotive is controlled by a flywheel b gear box c applying brakes 11. In his book, electric locomotives, historian brian solomon points out the first known use of a heavy rail electric locomotive took place in 1893 when general electric manufactured a small, 30ton machine featuring two axles. In 2000, gino took over the industry and train resistor manufacturing. Locomotives that include onboard fueled prime movers are known as diesel electric locomotives when powered by diesel engines or gas turbine electric locomotives when utilizing a turbine. The locomotives were designed in germany, austria and the us and are manufactured at the siemens plant in sacramento, california.
Locomotive traction motors market insights on current trends 2025 by. What is an electric locomotive systems and their types in india. Maintenance personnel, foremen, inspectors or anyone responsible for the maintenance of ge dash 8 locomotives. Matlabsimulink based model for 25 kv ac electric traction. For the largest dump trucks with diesel electric drive, gino produces braking resistors based on the patented resistor system 3pq4. The works are located at chittaranjan in the asansol sadar subdivision of west bengal, with an ancillary unit in dankuni. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Typical applications for our traction resistors are as follows. Diesel locomotives an overview sciencedirect topics. In other words, electric energy generated is the typically wasted. Main traction systems used in india are, those using a electric locomotives b diesel engine locomotives c steam engine locomotives d diesel electric locomotives e all of the above ans. Involves use of electricity at some stage or other. Traction motors in diesel locomotives ee publishers.
These motors have box frames with removable frameheads and are arranged for suspension by two bearings on the driving axle and one resilient nose support on the truck transom. Electric traction drive system block diagram for a typical electric traction drive is shown in fig. Modernization of dieselelectric locomotive 2m62 and tep70. Abb is the expert for traction converters, motors, transformers, and complete traction chain solutions. The communication between locomotives can be wireless via radio or wireconnected. Traction generators traction motors and generators abb.
As such, abc is powering the worlds largest diesel hydraulic locomotive. The function of an electric locomotive is to convert electric energy on mechanic energy. In addition to the obsolete locomotives, slovenia also has unsuitable. The overall model consists of locomotive dynamics, wheelrail contact dynamics and. To calculate the cost of traction energy from dieselpowered locomotives, the.
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