Read online integrated traction system mitsubishi electric book pdf free download link book now. Pdf electrification traction and signalling compatibility. Its primary audience is students of electrical energy technologies, control. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Electric traction mcqs answers pdf electrical engineering multiple choice questions answers. Ac voltage is converted into dc voltage by using a rectifier. Electric traction means using the electric power for traction system i.
What is an electric locomotive systems and their types in india. Traction power positive supply system, including substation locations a. Sep 03, 2014 latest electric traction questions and answers list 1. Jul 31, 2014 the requirements of an ideal traction system are the locomotive should be selfcontained and able to run on any route braking should be such that minimum wear is caused on the brake shoes if possible the braking energy should be regenerated and returned to the supply. Speed time, distance time and simplified speedtime curves, attractive effort for acceleration and. It gives us a great pleasure to present this book of modern electric traction to. Get here to download pdf format electrictractiononthepennsylvaniarailroad18951968. This chapter presents a general description of the elements that characterize a railway electric transportation systems.
Traction power electrification system investigation wmata. Ppt electric traction system powerpoint presentation. Energysaving technology for railway traction systems using onboard storage batteries 3 company, hitachi started developing a series hybrid drive system in 2001 that combined a diesel engine and lithiumion batteries with the aim of reducing the fuel consumption and harmful exhaust emissions of. The requirements of an ideal traction system are the locomotive should be selfcontained and able to run on any route braking should be such that minimum wear is caused on the brake shoes if possible the braking energy should be regenerated and returned to the 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. Act of drawing or state of being drawn propulsion of vehicle is called tractions. Traction means drawing or pulling something over a surface. Nov 30, 2015 a traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as nonelectric traction system. This web page is an inprogress collection of resources related to traction power systems engineering. Power electronics technologies for railway traction systems. Open library is an initiative of the internet archive, a 501c3 nonprofit, building a digital library of internet sites and other cultural artifacts in digital form. It is an applicationoriented book for the design and development of traction systems accompanied by a description of the core technology. Control techniques for electric drives, block diagram. This is a summary of what i think is the most important and insightful parts of the book.
There are several different electrification systems in. This book is a reproduction of that original, which has been scanned and cleaned by stateoftheart publishing tools. 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. Jan 08, 2019 electric traction means using the electric power for traction system i. Introduction to traction machines request pdf researchgate. Electric traction system 1 electric traction system presented by amit raj roll no. The inverter for this system is a standard inverter for which the east.
These are independent of the contact system used, so that, for example, 750v dc may be used with either third rail or overhead lines the latter normally by trams. The electric traction system can be broadly divided into two groups. Electric traction for railway trains a book for students, electrical and mechanical engineers, superintendents of motive power and others by edward parris burch and a great selection of related books, art and collectibles available now at. These systems of tractions may be classified broadly into groups namely. As those of us who practice this profession in the usa well know, this type of information is difficult to obtain. Electric traction system engineering seminar topics. Alternating current system was used due to incapability of dc system i. Ppt electric traction system powerpoint presentation free. Which of the following is an advantage of electric traction over other methods of traction. All alternating current ac traction units draw alternating current from an overhead line. I cant speak for anyone else and i strongly recommend you to read the book in order to fully grasp the concepts written here. Course is helpful for various competitive exams like engineering entrance, pgecet, psu recruitments, ecet, leet etc. Rajput this book on utilisation of electrical power including electrical drives and electric traction has been written for students preparing for b. Engineering books pdf have 1 electric traction pdf for free download.
The book on power supply installation in electrical traction was. Electric traction system requirements, terms, advantages. In ohe, or overhead electrification systems, the supply of electricity is through an overhead system of suspended cables known as. Unless the traffic to be handled is heavy, electric traction becomes uneconomical. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. This book is a reproduction of that original, which has been scanned and cleaned by stateoftheart. Integrated traction system mitsubishi electric pdf. There are several different electrification systems in use throughout the world.
Introduction to power systems of electric traction. Download as ppt, pdf, txt or read online from scribd. These kinds of situations can overtax the driver not only causing himher to react incorrectly but also causing the vehicle to become unstable. Dec 26, 2018 open library is an open, editable library catalog, building towards a web page for every book ever published. Electric traction systems may be broadly categorized as those operating on. Which of the following is the voltage for single phase a. Traction power electrification system investigation report washington metropolitan area transit authority. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. Here power is applied to the vehicle from an overhead wire suspended above the track. Nov 22, 2015 breaking of traction based trains breaking can be achieved by two methods 1. In general following electric traction systems exist. If you continue browsing the site, you agree to the use of cookies on this website. In an electrification system, the traction units are supplied via sliding contacts from a supply, referred to as the overhead line or co nductor rail.
Electric traction mcqs answers pdf electrical engineering. 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. What is an electric locomotive systems and their types in. The system which use electrical power for traction system i. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. Motive power and energy supply this book has evolved from the. Chapter 11 transit traction power track design handbook. The steam engine drive is the best example of a non electric traction system and it is the first locomotive system used before the invention of actual electric traction systems. Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. Power electronics technologies for railway traction systems 307 the east japan railway company is developing a nextgeneration rolling stock control system for the experimental series 209 the multipurpose experimental train muetrain. 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. Electricity is typically generated in large and relatively efficient generating stations.
One of the major application of an electric drive is to transport men and materials from one place to another. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834. 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. Utilization of electrical enrgy and electric traction. All books are in clear copy here, and all files are secure so dont worry about it. It consists of nine chapters in all, covering the various topics systematically and exhaustively. Direct current dc traction units use direct current drawn from a third rail, fourth rail, groundlevel power supply or an overhead line. Chapters on electrical drives and electric traction. Speedtime curve of main line service differs from those of urban and suburban services on following account. Electric traction completed course by nikhil nakka youtube. 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. Electric traction download ebook pdf, epub, tuebl, mobi.
The railway traction systems under study, taking account of all the processes of. Power electronics and electric drives for traction. System of electric traction mechanics of train movement. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. How to download a pdf book on electric traction quora. This paper introduces a basis of the traction system modelling for high speed railway systems. Energysaving technology for railway traction systems using. Now a day, magnetic traction is also used for bullet trains. 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.
Electric traction 114 to 158 introduction requirements of an ideal traction systems of traction speed time curve tractive effort coefficient of adhesion, selection of traction motors method of speed control saving by series parallel control, ac traction equipment. Power failure for few minutes can cause traffic dislocation for hours. The most vital factor against electric traction is the initial high cost of laying out overhead electric supply system. But this last offered a further expansion until which one we know today. Energysaving technology for railway traction systems. There may be two types of traction classifications on the basis of power supply. The traction control system tcs solves these problems, providing the vehicle remains within the physical limits. 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. Electric traction control system universities trial. With alternating current, especially with relatively high voltage overhead wire, fewer substations are required, and the lighter overhead current supply wire that can be used correspondingly reduces the weight. Request pdf introduction to traction machines this chapter introduces the.
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