The voltage situation as well as the network structure influence the. Mitsubishi electric to supply additional traction systems for. Power system modelling for urban massive transportation. Some electric traction systems provide regenerative braking that turns the trains kinetic energy back into electricity and returns it to the. To fulfill that passion, wickman created the entrepreneurial operating system eos, a holistic system that, when implemented in an organization, helps leaders run better businesses, get better control, have better life balance, and gain more traction. If electric supply is used for driving a locomotive, the system is known as electric traction.
Introduction of traction system in hindi, electrical. The electrical load flows and the energy consumption within railway power supply networks depend on the running trains and the power supply system characteristics. Electric traction is part of subject utilization of electrical energy. Dependence of traction force, braking force and power factor on the speed 3 results of measurement the results of measurements in electric traction power supply ets plase are presented and analysed subsequently. Electric traction systems market size share growth outlook 2025. Aug 31, 20 25 kv single phase is the most preferred and universally accepted voltage standard for overhead traction system. A novel electric traction power supply system using hybrid. Supply of the 2x25 kv system from the 1x25 kv system. In three phase system we can transmit high voltage level which is for efficient transmission is required. Interruption of traffic for hours owing to short time power failure. Economic criterions and conditions for railway electrification. The electric traction system ppt briefly discusses the types, supply system, traction motors, braking system, advantages and disadvantages and recent trends.
May 22, 2016 electric traction means using the electric power for traction system i. Main types there are mainly two types of electric trains, which are described as below a. 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. Eos entrepreneurial operating system for businesses, home of. Looking for any other voltage system, means every things has got to be developed namely traction power supply system, over head equipment, vehicle traction system etc. Ppt electric traction system powerpoint presentation. Download electric traction systems seminar report with ppt. On the basis of type, the market for electric traction systems has been segmented in the report into electric traction transformer, electric traction motor, electric traction generator, electric traction inverter, electric traction converters, and others.
Power supply installation in electric traction irieen. Traction system which do not involve the use of electricity such as steam engine drive, ic engine drive. Ac voltage is converted into dc voltage by using a rectifier. Speed time, distance time and simplified speedtime curves, attractive effort for acceleration and. Now a day, magnetic traction is also used for bullet trains. Ac motor traction schematic of single phase ac supply powering 3phase ac. Apr 15, 2019 course is helpful for various competitive exams like engineering entrance, pgecet, psu recruitments, ecet, leet etc. Simulation of railway power supply comprail 2008 simulation of railway power supply systems why.
The nonlinear and dynamic natures of the modern trains. For this reason the idea was to create a plugin simulation module for railway power supply networks using the advanta. With direct current, the most popular line voltages for overhead wire supply systems have been 1,500 and 3,000. Electric traction supply system on indian railways,ask latest information,abstract,report,presentation pdf,doc,ppt, electric traction supply system on indian railways technology discussion, electric traction supply system on indian railways paper presentation details. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. 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.
Application of electric spring in traction train auxiliary. There may be two types of traction classifications on the basis of power supply. Traction is your guide to running a robust, thriving business. New generation traction power supply system and its key. Gino,power resistors, braking resistors, damping resistors and earthing. Electric traction multiple choice questions mcq and.
An approach for balancing the power supply is given by the use of facts technology and. Kosarev2 summary th e article is devoted to the development of a new method of calculating the instantaneous traction power supply circuits. Ppt electric traction system powerpoint presentation free. It involves utilization of electric power for traction systems i. Proposed hybrid traction power supply scheme at present, the traction power supply equipment installed in the traction substation is a typical 24pulse recti.
A key advantage of the system is that there are no restrictions on where it has to be deployed so it can be installed virtually anywhere. Alloy bearings,traction motor bearing manufacture and refurbishment for rail. Click download or read online button to get electric traction book now. New generation traction power supply system and its key technologies for electrified railways article in journal of modern transportation 231. Heavy initial expenditure in laying out overhead electric supply system. Electric traction motors segment to register moderate growth but retain dominant. This book is not another silver bullet management book or flavorofthe month strategy.
A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as non electric traction system. An electric locomotive can be supplied with power from. The electric traction system can be broadly divided into two groups. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. System such a diesel electric drive, electric drive etc. Ac electrified railway traction power supply system 4th. These blinks explain how a valuable tool called the entrepreneurial operating system eos works and how you can use it to build your business. A section on photometric measurements is added along with study of halogen lamps and energy saving lamps. Electric traction is meant for locomotion in which the driving tractiveforce is obtained from electric motors called as traction motors. Electric railways, as an environmentally friendly and efficient. Newer electric locomotives use ac motorinverter drive systems that provide for. Ac electrified railway traction power supply system 4th edition combined with chinas specific conditions and practical experience. Electric traction download ebook pdf, epub, tuebl, mobi. This site is like a library, use search box in the widget to get ebook that you want.
Electric traction in comparison to other traction systems has the drawbacks of. Traction means drawing or pulling something over a surface. 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 electric motors. Camlin rail,smart grid power supply and fault management systems. Pdf a novel hybrid traction power supply system htpss integrating pv and reversible converter rc is proposed. Countries having great natural resources in the form of water power were quick to appreciate the advantages of electric traction. Application of a highpower reversible converter in a. Committee meeting royal meteorological society spring 2009 pdf. This chapter presents a general description of the elements that characterize a railway electric transportation systems. The system which use electrical power for traction system i. In general following electric traction systems exist. A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as nonelectric traction system. Transfer of power from stationary equipment to running locomotive is either through. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850.
Traction power 2x25kv autotransformer electrification system, r2. Impact of contact line systems on interference and danger voltages in telecommunication, signal and control circuits and equipment. With the company having already received an order to supply electrical equipment for 118 of the new train units in. Normally, the trains of a umts requires a dc power supply by means of rectifier acdc substations, know as traction substations ts. Electric traction means using the electric power for traction system i. At each traction substation, normally two single phase transformers are installed, one which is in service and the other is 100% stand by. 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. System of electric traction mechanics of train movement. Gino wickmans passion is helping people get what they want from their businesses.
All alternating current ac traction units draw alternating current from an overhead line. Non electric traction system mechanical traction system. Railway traction system research india publications. Railway electric traction power supply system protection 2chinese edition tan xiu bing on. Introduction the process of moving any vehicle is called traction. Here power is applied to the vehicle from an overhead wire suspended above the track. Mar 02, 2015 electric trains are those trains which use electric traction or in general electric power. Traction get a grip on your business by gino wickman book report by gary tomlinson introduction. Traction power electrification system investigation wmata. Internal power supply distribution system iii energy efficient systems 4.
A novel power flow algorithm for traction power supply systems. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Railway electric traction power supply system protection 2chinese edition. 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. Get a grip on your business traction by gino wickman. However, the electric traction system introduces unbalance in the system which affects the critical loads. May 22, 2018 download electric traction systems seminar report with ppt. Types of traction systems electrictraction systems can be broadly divided into those using alternating current and those using direct current. The phase i of california highspeed train project chstp to be implemented between san francisco and anaheim will be a 520 routemiles long stateoftheart rail system providing intercity travel with modern highspeed trains running at speeds up to 220 miles per hour. Act of drawing or being drawn is known as traction. Auxiliary power supply system is an important component of traction trains. Development of electric railways led to great improvements in design, not only in locomotives and coaches operated by electricity, but also in the generation and methods of distributing the electric current produced. Dec 26, 2018 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. Electric traction completed course by nikhil nakka youtube.
Calculation of the traction power supply systems using the functions of resistance d. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Pdf in modern electric traction systems, the calculation of induced voltage on. The most vital factor against electric traction is the initial high cost of laying out overhead electric supply system.
The chapter on electric drives and traction covers recent trends in electric traction using gto thyristors technology. Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. Jul 31, 2014 1 what are the requirements of an ideal electric traction system. There are various system of electric traction existing such as electric train, trolley buses, diesel electric vehicles and gas turbine electric vehicles. Traction force, besides the speed, also depends on the excitation current, i. Research on voltage losses of at traction power supply. This system uses 3 phase induction motor, 3 phase supply, 5060 hz supply. The chapter on economics of electric power supply and utilisation is revised in this edition. Lets look at laser printer service and supply company, image one. Comments on the regional railroad network and power grid interconnection pdf. Hybrid electric vehicles hevs, in which two or more power systems are combined, can meet these objectives through the capture and reuse of.
A free powerpoint ppt presentation displayed as a flash slide show on id. If the electric energy is use in this process is called electric traction. The same was true with manhattans former streetcar system. Optimising power management strategies for railway traction. College of electrical engineering, southwest jiaotong university, chengdu, china abstract the proliferation of the new highspeed train has resulted in signi. Pdf induced voltage calculation in electric traction systems. A hybrid railway power conditioner for traction power supply system ningyi dai, kengweng lao, manchung wong electrical and computer engineering department university of macau macau, p.
A novel electric traction power supply system using hybrid parallel power quality compensator by keng weng lao master of science in electrical and electronics engineering. The guidance is taken from the output of strings geno. The seminar report explains the electric traction system which is the most efficient of all other traction systems. Following in the paper are presented, in chronological order, some electric power supply systems of the railway traction, 1, 2, and 3. Calculation of the traction power supply systems using the. This paper based on electric spring theory aims to stabilize the voltage of the critical load in traction train auxiliary power supply system. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In this paper, the cause of unbalance due to traction system is investigated along with its effects on critical load. Energy storage for traction power supply systems 30 circuit configuration fig. Pdf a novel hybrid dc traction power supply system.
Interference with communication lines running along the track. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834. Unless the traffic to be handled is heavy, electric traction becomes uneconomical. The california highspeed rail chsr line will be an electrified line with traction power for electric vehicles being supplied and distributed using a 2x25kv autotransformer feed type power supply system and an overhead contact. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. Electric traction system requirements, terms, advantages. Railway technology today 3 edited by kanji wako railway. 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.
Research on voltage losses of at traction power supply system. Its a very important topic for various recruitment exams like state electricity board exams etc. In an electric traction system the driving force to pull a train is generated by the traction motors. In ohe, or overhead electrification systems, the supply of electricity is through an overhead system of suspended cables known as. One of the major application of an electric drive is to transport men and materials from one place to another. In this way, ac grid current harmonics and dc voltage ripple can be reduced, and the system redundancy can be increased. Electric and magnetic fields under contact lines and in proximity of the traction power installations. A railway electrification system supplies electric power to railway trains and trams without an.
Electric traction system engineering seminar topics. The evidence of this mode of running can still be seen on the track down the slope on the. The locomotion in which the driving force is obtained from electric motor is called the electric traction system. Electric traction the system which use electrical power for traction system i. Railway electric traction power supply system protection 2. Its based on realworld experience, practical wisdom and timeless truths. The most important challenge of traction distribution is to supply electric power to running locomotive. Traction power electrification system investigation report washington metropolitan area transit authority.
A hybrid railway power conditioner for traction power. Mitsubishi electric to supply additional traction systems for nederlandse. Direct current dc traction units use direct current drawn from a third rail, fourth rail, groundlevel power supply or an overhead line. Unilateral power supply system has been used because of the management status of the power grid system, while, bilat. The energy consumption of electrical railways is mainly influenced by the driving states and the propulsion efficiency characteristics of the trains as well as by the behaviour of the traction power supply system. Electric traction systems may be broadly categorized as those operating on.
Sep 11, 2016 introduction the process of moving any vehicle is called traction. The traction power supply system tps is the railway electrical distribution. Electric traction systems are various electrical systems that are used to drive railways. Friends is video me ham electric traction ke bare me discuss kar rhe hai. Aspects about supply systems in railway electric traction. For traction purposes mostly 3phase induction motors and d. These systems of tractions may be classified broadly into groups namely. Power failure for few minutes can cause traffic dislocation for hours. Voltage fluctuation of auxiliary power supply system is a nonnegligible factor threatening the safe operation of traction trains.
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