The transformation and high voltage generation of dc is very inconvenient to the dc. Overview of the doe advanced power electronics and electric. Utilisation electric power and electric traction, s. The regenerative braking technology is widely applied in highspeed electric multiple units emus. An electric locomotive is essentially a box full of transformers and semiconductors that converts electricity collected from external sources to the desired voltage to drive the traction motors. Example title pdf prime motors, electric motors 1 traction motor for electric standardgauge. This exerts a force on the bones at each end of the muscle, and the bony part with the least resistance moves.
Hybrid electric vehicle endoflife testing on honda insights, honda gen i civics and toyota gen i priuses introduction and background the u. Frequency is maintained as long as there is a balance between resources and customer demand plus losses. Electric drive wheeled vehicles can feature electric traction motors in a conventional driveline, but also offer potential for motor incorporation into the axle or the wheel hub. These are called th e north and south poles of the magnet. Most of these leaned towards electrification, especially for hightraffic sections. For traction purposes mostly 3phase induction motors and d. In addition, the development history of ev, hev, and fcv is briefly. Power and traction transformers advanced technology for. Some of these innovations are photovoltaic pv and wind power generation from renewable energy sources, smart grids realizing efficient supply of. The calcutta metro uses 750v dc traction with a thirdrailmechanism for delivering the electricity to the emus electricmultiple units. Mitsubishi electric power modules are at the forefront of the latest energy innovations that seek to solve global environmental issues while creating a more affluent and comfortable society for all. Optimize your vehicle by cooling electric motors and generators.
Efficient endoflife rail vehicle treatment can boost the use of renewable energy. Generationload balance as electricity itself cannot presently be stored on a large scale, changes in customer demand are met by controlling conventional generation, using stored fuels. Components and systems for electric vehicles hevsevs. System of electric traction mechanics of train movement. One of the major developments on electric traction systems for industrial. 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. Rajput this book on utilisation of electrical power including electrical drives and electric traction has been written for students preparing for b. The prr gg1 was a class of electric locomotives built for the pennsylvania railroad prr, in the northeastern united states. Electric power engineering university of nevada, las vegas.
The gg1 entered service with the prr in 1935 and later ran on successor railroads penn central, conrail and amtrak. It comprehensively presents vehicle performance, configuration, control strategy, design. New generation traction power supply system and its key. Where these requirements apply, employers must provide. Page 1 of 9 head on generation hog a step towards energy efficiency o. Discuss in detail about series parallel control of electric traction motor with example. Download ee6801 electrical energy generation, utilization and conservation eeguc books lecture notes syllabus part a 2 marks with answers ee6801 electrical energy generation, utilization and conservation eeguc important part b 16 marks questions, pdf books.
Hybrid electric vehicle endoflife testing on honda insights. The steam engine drive is the best example of a non electric traction system and it is the. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. In this system, dg set is provided at each end in the coach called power car. Calcutta had an overhead 3kv dc system until the 60s. The locomotive is retarded to stop it within short distance and at a particular spot. 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. Pdf railway electrification in india an assessment. All heating requirements in domestic purposes such as cooking, room heater, immersion water heaters, and electric. There are two dg sets in each car of 750kw capacity with 100% spare capacity. Between 1934 and 1943 general electric and the prrs altoona works built 9 gg1s. Zimmer traction handbook a complete reference guide to the basics of traction. Modern electric motors for road electric vehicles automobiles, scooters, bicycles, light rail transit street cars, trolley lines, subway trains, guided transit systems and elevators have been.
Mitsubishi electric to supply additional traction systems. Ford ranger and us post office electric vehicles battery. Electric power systems research is an international medium for the publication of original papers concerned with the generation, transmission, distribution and utilization of electrical energy. Power is supplied at 750v three phase ac to all coaches through 2 nos of parallel intervehicle coupler. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. The system which use electrical power for traction system i. Electric energy generation utilization and conservation ee6801 notes pdf free download. Utilization of electrical enrgy and electric traction.
In deep and trustful partnerships with vehicle builders, refurbishers, and rail operators, we supply stateoftheart traction systems. 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. In ohe, or overhead electrification systems, the supply of electricity is through an overhead system of suspended cables known as. Traction motor 75 kw, ev transaxle 1830 kw motor on 4x4 transfer case 8 kw. May 22, 2016 electric traction means using the electric power for traction system i. Electric power generation, transmission and distribution.
India took the plunge from dc to ac electric traction in the mid1950s, as mentioned above. Electric traction the system which use electrical power for traction system i. The control equipment is provided for manual and automatic. It is expected that by end of the twelfth five year plan india will have more than 400 km of operational metro rail up from. Bmw electric drive how its made interior battery cells. One end of the secondary winding of the transformer is solidly earthed at the substation and is connected to trackreturn feeder through buried rail.
Utilisation of electric power and electric traction book. Electric motor converts electrical energy to mechanical power for motive power inverter converts high voltage direct current to varying pulses that control and power the electric motor charger modifies and controls electrical energy to reenergize the battery converters increases the battery voltage for the traction drive system and. Parkers pmac offering for electric and hybrid electric powertrain motors, and electrohydraulic actuation. Power electronics technologies for railway traction systems. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply.
End on generation system in eog system, the electrical load i. Nov 30, 2015 the traction system can be classified as nonelectric and electric traction systems. List the advantages and disadvantages of electric traction. The journal aims at presenting important results of work in this field, whether in the form of applied. It involves utilization of electric power for traction systems i.
Traction systems for locomotives and high speed applications. By the end of the 1960s, diesel had almost completely superseded steam as the standard railroad motive power on nonelectrified lines around the world. Ppt electric traction system powerpoint presentation free. The earth is a magnet, with the strongest part of the magnetic. Ee6801 notes electric energy generation utilization and. Figure 2 traction inverter for environmentally compatible vehicles. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850.
And the voltage rise problem at end of the traction network would be caused by. The design of rolling bearing mountings schaeffler group. Utilization of electrical energy pdf notes uee pdf notes. Department of energy, freedomcar and vehicle technologies advanced vehicle testing activity avta conducts hybrid electric vehicle hev testing to support the avtas goal of providing. The book deals with the fundamentals, theory, and design of conventional cars with internal combustion engines ices, electric vehicles evs, hybrid electric vehicles hevs, and fuel cell vehicles fcvs. Specifications are subject to change without notice. Pdf power flow calculation for traction networks under. Or electric traction means a locomotion in which the driving force is obtained from electric motors. Pdf ee6801 electrical energy generation, utilization and.
The single phase traction load causes unbalance in the supply system. 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. Chapters on electrical drives and electric traction. The gvm utilizes highly engineered magnetics to achieve efficiencies in peak regions not obtainable in other designs. Now a day, magnetic traction is also used for bullet trains. A railway electrification system supplies electric power to railway trains and trams without an on board prime mover or local fuel supply. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Deo, sserdso abstract indian railways imported 22 wag9 locomotives and 11 wap5 locomotives from ms. 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. 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 vehicles and power electronics jihsheng jason lai. Overview of the doe advanced power electronics and. One of the major application of an electric drive is to transport men and materials from one place to another. How its made the prototype production of future fifth generation bmw group edrive train.
Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Mitsubishi electric to supply additional traction systems for nederlandse spoorwegens new generation electric multiple unit trains new order will help strengthen the companys transportation systems business in europe tokyo, september 19, 2019 mitsubishi electric corporation tokyo. Optimising power management strategies for railway. Energy supply basics and practical motive power and. Endon generator was developed with the start of rajdhani type trains. The traction power converter or tpc refers to the group of electrical equipment assembled to draw electrical power from the traction line and render it suitable for operation of utilities of the passenger train to which it is attached withwithout any further electrical activity e. Archived from the original pdf on november 25, 2005. Electric traction is meant for locomotion in which the driving tractiveforce is obtained from electric motors called as traction motors. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc. Electricity is typically generated in large and relatively efficient generating stations. Fundamentals, theory, and design modern electric, hybrid electric, and fuel cell vehicles. A simple explanation of electric light, heat, power, and traction in daily life by onken, william h. Each power car is installed with 2 diesel alternator.
Power electronics technologies for railway traction systems 307 the east japan railway company is developing a next generation rolling stock control system for the experimental series 209 the multipurpose experimental train muetrain. Ohe through pantograph to traction transformer of the locomotive which is provided with a hotel load winding of. Fourth generation sealed lead acid 39x8 volt modules. The goal of the study presented in this article is to provide a general overview of the various aspects related to electric vehicles evs, along with all associated emerging challenges and. The generation and transmission systems of supply authorities are 3 phase systems. Chapter 1 principles of operation of synchronous machines the synchronous electrical generator also called alternator belongs to the family of electric rotating machines.
Electric drive system will operate in steady state at this speed, provided it is. Methods of electrialc heating resistance, arc, induction and dielectric heating. 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. Passenger elevators revised publication effective jun. A free powerpoint ppt presentation displayed as a flash slide show on id. Power supply system of indian railway coaches railelectrica. It consists of nine chapters in all, covering the various topics systematically and exhaustively. The rise in oil prices in the mid1970s tilted the argument further in favour of electric traction as electricity generation in most of india is hydroelectric or coalbased. Gtu electrical power utilization and traction semester exam previous year question paper download pdf. Optimising power management strategies for railway traction systems by shaofeng lu a thesis submitted to the university of birmingham for the degree of doctor of philosophy school of electronic, electrical and computer engineering college of engineering and physical sciences the university of birmingham, uk october 2011. Jun 27, 20 electric traction the system which use electrical power for traction system i. Head on generation hog a step towards energy efficiency.
Abb is the expert for traction converters, motors, transformers, and complete traction chain solutions. Vtu electrical power utilization semester exam previous year question paper. Electric traction will continue to play a dominant role in the railway since it is an. The calcutta trams use 550v dc with an overhead line catenary. Unit 1 characteristics of electrical drives speed torque characteristics of various types of loads and drives motors. The series hybrid electric drive hed architecture brings a significant range of potential benefits to military ground platforms.
The electric traction either uses dc system or ac system. Madras was second metro city to get electric traction in southern railway on 11 may 1931. System such a diesel electric drive, electric drive etc. It uses a new patentpending advanced cooling system that has minimal impact on the size and weight of the motor. A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as non electric traction system. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. Headongeneration for powering the running coach railelectrica. A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as nonelectric traction system. The focal point of the book will be the disposition of electric traction units powered by threephase induction motors. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. This fact sheet discusses electrical protective equipment requirements for work covered by oshas revised electric power generation, transmission and. Utilisation of electric power and electric traction by g c garg. A novel power flow algorithm for traction power supply.
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