Feb 05, 2018 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. The extended cycle life of railway equipment means that decisions influencing traction systems can have lasting consequences of up to 50 years. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. A harmonic free current in the threephase grid in traction regime is. This book is a reproduction of that original, which has been scanned and cleaned by stateoftheart. This article describes the fundamentals of railway vehicle kinematics and then analyses a number of notable recently implemented energy saving strategies. Modeling and simulating the electric power system of an autonomous tramway, supplied either. Italian railways were the first in the world to introduce electric traction for the entire. Power supply installation in electric traction irieen. Distribution of the traction return current in at electric. Electric traction railways free download as powerpoint presentation. The parallel development of traction technology in industrialised countries has led to a plethora of different electrification systems. Voltage ehv at each traction substation which is owned, installed, operated and maintained by the railways.
Electric traction motive power and energy supply pmc. Pdf railway electrification systems and configurations. Pdf basic modeling for electric traction systems under uncertainty. Railway traction systems alternating current electric. Railway traction systems alternating current electric motor. Optimising power management strategies for railway traction. Vvvf inverter and delivery of it to tokyu electric railway co. Electric traction is suitable for suburban and urban railway. Selection of traction system voltages railelectrica.
Powerelectronics issues of modern electric railway systems. The principles of mechanical and electrical railway traction, andrews, h. Fashion, politic or strategic choices also influenced notably the evolution of electric traction. Railway electrification as a means of traction emerged at the end of the nineteenth century, although experiments in electric rail have been traced back to the midnineteenth century.
Pdf railway electrification is experiencing a very important transformation process today. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. Sep 17, 2016 power electronics and electric drives for traction applications offers a practical approach to understanding power electronics applications in transportation systems ranging from railways to electric vehicles and ships. Energy saving in the railway sector is a major consideration for current operators. The problems of electric traction on railways deserve special study at the present time.
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 specific application like steel, paper, textile mills. May 22, 2018 download electric traction systems seminar report with ppt. Neosee boxes should manage the internal voltage of tramway whatever. Future power electronics applications for railway vehicle traction. A long tradition in electric railway engineering electrifying history. Find the most uptodate version of en 50119 at engineering360. Covering technologies used and their use in indian railway. The main reason for 25kv voltage used in railway is, that 25 kv. Discusses solutions employed to ensure interoperability of vehicles that run along lines powered by different systems e. If electric supply is used for driving a locomotive, the system is known as electric traction. Depending on whether a country had rich coal deposits or huge hydropower resources, the reasons to electrify railways would have differed.
This chapter describes electric drives and associated electric equipment of railway traction vehicles, such as, trams, trains, locomotives, etc. Pdf the objective of this paper is initially to present a basic modeling of the railway traction system. 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. Ppt electric traction system powerpoint presentation free. Power electronics and electric drives for traction applications. Pdf several different type of railway traction electric power system. Electrical railway transportation systems wiley online books. Why 25kv is used in railway traction system electrical4u. Steimel, senior member, ieee ruhruniversity bochum. Download electric traction systems seminar report with ppt. The railway receives 3phase power supply from the supply authority at a single point near the grid substation from where the railway runs its own transmission lines providing its own traction substations.
Application of homopoty perturbation modal subinterval algorithm in power flow computation of island microgrid j. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. There may be two types of traction classifications on the basis of power supply. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered. Certain applications of power electronics for railway vehicle traction. Traction means drawing or pulling something over a surface. The seminar report and electric traction system ppt briefly discusses the requirements, types, supply system, traction motors, railway electric locomotives, braking system, advantages and disadvantages and recent trends. Electric traction railways electric motor components. Modeling and simulation of an autonomous railway electrical. Power collection via the overhead line and pantograph, introduced nearly 100 years ago early in the history of electric railways, remains basically unchanged in. Even so, many notable innovations occurred simultaneously yet independently. The electrification of railway in indian is started in 1925 as it is free from pollution.
Reviews of the electric traction motive power and energy supply to date about the guide we have now electric traction motive power and energy supply feedback people are yet to but quit his or her report on the action, you arent read it nevertheless. There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard voltage and nonstandard voltage systems. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc. Ppt electric traction system powerpoint presentation. Railway traction systems free download as powerpoint presentation. Electric traction systems are various electrical systems that are used to drive railways. E consulting engineer, professor of electric railway engineering. A free powerpoint ppt presentation displayed as a flash slide show on id. Many traction systems have been developed over the period depending on dominant technologies at that time and traffic demand. May 06, 20 traction mechanics is the study of train motion. Traction system for urban, suburban and main line transport developed over the period are at 750v dc, 1500v dc, 25kv ac, 2x25kv and 50kv ac. Sep 11, 2016 references electric traction for railway trains. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. Analyzes multiple railway systems from a theoretical and realizable vantage point, with particular regard to functionality, electromagnetic compatibility, and interferences with other electrical systems studies electric traction railway vehicles, presenting various types of drives and auxiliary devices currently in.
The system which use electrical power for traction system i. Nov 17, 2015 electric traction part 11 types of traction systems. Equivalent model and power flow model for electric railway. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple. Pdf railway technical web pages electric traction power. Powerelectronics issues of modern electric railway systems a. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. It is an applicationoriented book for the design and development of traction systems accompanied by a description of the core technology. Transactions of china electro technical society, 2016, 31 15. This site is like a library, you could find million book here by using search box in the header.
Archived from the original pdf on november 25, 2005. The railways segment is likely to dominate the market in the coming years due to the increased reliance of the railway industry on electric traction motors for enhanced speed control and high startup torque. This is driven by the continuing focus of environmental concerns, together with an increasing uncertainty about the availability and cost of liquid fuels. Electric locomotive in hindi electric traction youtube. The railway receives 3phase power supply from the supply authority. Railway and electric traction history is closely linked with the electrotechnic development rhythms, in particular transformers, motors and semiconductors. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. The low frequency railway electrification system option has been used in. May 23, 2018 comparison of numerical methods for nodal analysis in electric railway traction network j. It offers several benefits over other systems, including quick start and stop, very efficient, pollution free, easy to handle and easy speed control. This chapter presents a general description of the elements that characterize a railway electric transportation systems.
Railway traction system research india publications. Scribd is the worlds largest social reading and publishing site. Studies electric traction railway vehicles, presenting various types of drives and auxiliary devices currently in circulation. Electric traction motor market global forecast to 2025. Electric railway traction systems and techniques for energy. Which of the following is the voltage for single phase a. As we all know, it is electric locomoti ves that are at the forefr ont of railway. System such a diesel electric drive, electric drive etc.
Railway technical web pages electric traction power supplies contents. It is an applicationoriented book for the design and development of traction systems accompanied by a description of the core. Electric locomotives with onboard fueled prime movers, such as diesel engines or gas turbines, are classed as dieselelectric or gas turbineelectric and. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Power electronics and electric drives for traction. Distribution of the traction return current in at electric railway systems article in ieee transactions on power delivery 203. Electric traction motors are an essential part of railway trains. An equivalent model of the cable traction network ctn considering the distributed capacitance effect of the cable system is proposed. 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. Power is transmitted to electric railway locomotives and vehicles using dc or singlephase ac networks. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834.
This article covers the electrical engineering aspects of dc and singlephase ac traction power transmission systems. This was the beginning of the history of electric railway in japan, and rail. Technologies for saving energy in railway operation wiley online. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or.
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. Railway traction intechopen pdf book manual free download. Completion of traction motor and controller for the japan. Our products and solutions include bestinclass traction technology for new vehicle design and retrofit. The book intends to convey mechanical fundamentals of electric railway propulsion, which includes railbound guidance, transmission of traction effort from wheel to rail under the influence of nonconstant levels of adhesion and the transmission of motor torque to a springmounted and thus swaying drive wheelset. All books are in clear copy here, and all files are secure so dont worry about it. Which of the following is an advantage of electric traction over other methods of traction. Traction converters abb offers a comprehensive range of high performance products for use in the demanding onboard railway business. Act of drawing or being drawn is known as traction. Comparison of numerical methods for nodal analysis in electric railway traction network j.
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