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. Orthopaedic traction methods stellenbosch university. Electric energy generation utilization and conservation ebook download ppt. May 22, 2018 download electric traction systems seminar report with ppt. Mar 19, 2015 traction means drawing or pulling something over a surface.
Utilization of electrical energy notes pdf uee notes pdf book starts with the topics covering type of electric drives, choice of motor, starting and running characteristics, speed control, temperature rise, particular applications of electric drives, types of industrial loads, continuous, intermittent and variable loads, load qualization, etc. Ppt electric traction system powerpoint presentation. 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, energy saving by series parallel control, ac traction equipment. Electric traction full seminar report, abstract and presentation. Act of drawing or being drawn is known as traction. Electric traction systems ppt download slideplayer. 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. Presentation on economies of traction diesel vs electric ebook download ppt. Download electric traction systems seminar report with ppt.
Methods of electrialc heating resistance, arc, induction and dielectric heating. These systems of tractions may be classified broadly into groups namely 1 the traction system which do not involve the use of electricity at any stage and called. The seminar report explains the electric traction system which is the most efficient of all other traction systems. Aug 02, 2011 photos of electric transit vehicles in toronto, edmonton and vancouver set to for good from wicked.
The year 1881 saw the birth of the first electric railway run by a german engineer werner van siemens using both the rails to carry the current. System such a diesel electric drive, electric drive etc. There are various system of electric traction existing such as electric. Introduction,types of services,main line services,urban service,speedtime curve for main line service.
Characteristics of electric traction 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. A free powerpoint ppt presentation displayed as a flash slide show on id. Electric traction 1881 after many decades of satisfactory performance, the steam engines were to give way to more modern locomotives. Jun 21, 2017 electric tractioni,advantages and disadvantages of electric traction,system of traction,mechanical features,traction motors. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc. High starting torque simple speed control possibility of electric braking overload capacity mechanical features robustness and ability to withstand vibration the weight of the motor should be minimum in order. Electric traction system engineering seminar topics. All heating requirements in domestic purposes such as cooking, room heater, immersion water heaters, and electric toasters and also in industrial. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. There may be two types of traction classifications on the basis of power supply. Traction power electrification system investigation report washington metropolitan area transit authority. Bharat heavy electricals limited bhel has been entrusted by indian railways for design. Introduction electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors.
Utilization of electrical enrgy and electric traction. A fascination for electrical students use of traction motors. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Instrumentation, motor speed controllers, inverters, integrated systems, drive systems and engineering support for electric vehicle designers. Electricity enables faster acceleration and higher tractive effort on steep grades. Steam engine drive, internal combustion engine drive. Prepared by myself dipak meher,i have made this ppt for final year students. Ppt electric traction system powerpoint presentation free to download id. Chapter one first pantograph second main circuit breaker pantograph effect electric traction power from the catenary to. Automatic regeneration is the main advantage in electric traction with this motor.
Ppt electric traction powerpoint presentation free to. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. Electric vehicles and power electronics jihsheng jason lai virginia polytechnic institute and state university center for power electronics systems 668 whittemore hall blacksburg, va 24060 tel. May 19, 2016 the traction system which does not use the electricity at any stage is called as non electric traction system. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Traction voltage system electric traction introduced in mumbai area on 1500 volt dc traction in 1925.
Onboard traction transformers are used for power supply of railway electric vehicles from the catenary system, such as highspeed trains, electric multiple units emus and electric locomotives. The electric traction system ppt briefly discusses the types, supply system, traction motors, braking system, advantages and disadvantages and recent trends. Get more information about hybrid electric vehicle ppt slides free download by visiting this link. It offers several benefits over other systems, including quick start and stop, very efficient, pollutionfree, easy to handle and easy speed control.
Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. Power supply for electric traction electric trains in india first introduced in bombay sub urban services in 1925 and in madras in 1931. Use of electronics to bring down distance and time. Traction current collecting system ppt free download. A practical handbook on the application of electricity as a locomotive power. Photos of electric transit vehicles in toronto, edmonton and vancouver set to for good from wicked. In earlier days many of the systems used for electrification of railways in india and other countries such as america, france hungary etc. 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. Responsibility for energy conservation in electrical energy lies with the electric department whereas for diesel oil with the mechanical department of indian railways. 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. For traction purposes mostly 3phase induction motors and d. Three phase induction motors provides constant speed operation, developing low starting torque drawing high starting current and complicated control networks makes it unsuitable for electric traction work. Most of the locomotives we see pulling trains are diesel electric hybrids.
Ppt electric traction system powerpoint presentation free. Utilization of electrical energy pdf notes uee pdf notes. Contact shoe collectors working of contact shoe collector bow collector system construction of bow collector system working of bow collector system zproperly the bow collector should be mounted in such a way so that the top edge of the collector plate would rise several inches above the wire when the collector frame is standing straight up. This is a summary of what i think is the most important and insightful parts of the book. 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. Electricity enables faster acceleration and higher tractive effort on steep. Electric traction systems are various electrical systems that are used to drive railways. Free electric arrow powerpoint template advertisement free dark electric arrow powerpoint template is a free ppt template with an electric arrow in pink color.
Gtu electrical power utilization and traction semester exam previous year question paper download pdf. It involves utilization of electric power for traction systems i. The traction system which does not use the electricity at any stage is called as non electric traction system. There is a wide variety of electric traction systems around the world, which have been built according to the type. If electric supply is used for driving a locomotive, the system is known as electric traction. Traction power electrification system investigation wmata. Uee complete pdf notesmaterial 2 download zone smartzworld.
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