Power generation and transmission is at three phase whereas electric traction requires power supply at single phase. From viewing a bill to checking your usage, its simple and secure. Standard terms for supplying electricity and gas to domestic customers july 2019. Pdf matlabpsb based modeling and simulation of 25 kv ac. Operation of traction vehicles with 3f induction motors in. Methods of electrialc heating resistance, arc, induction and dielectric heating. Optimising power management strategies for railway traction. University of bath phd investigation into track parameters for. Electric traction motive power and energy supply request pdf. 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. Similarly 2 or 66 kv supply will be stepped to 33kv voltage level and. The experimental arrangements for determining the magnetic properties of the rail ma terial were adapted from. Tess for emergency power supply tobu urban park line unga station battery post during the adaptation of new type of cars, signi.
A section on photometric measurements is added along with study of halogen lamps and energy saving lamps. Energy storage for traction power supply systems 30 circuit configuration fig. The most important challenge of traction distribution is to supply electric power to running locomotive. Optimal railroad power supply system operation and design detailed system studies, and aggregated investment models. Traction power electrification system investigation report washington metropolitan area transit authority. Operation of traction vehicles with 3f induction motors in electric railway system 25kv, 50hz the. As a result, the grid voltage and current are asymmetrical and harmonic content is increased, which lead to series of problems including the overheating, service life of transformer is shorten, the misoperation of relay. There are n power demand data and each power demand is denoted by. Well contact your current supplier and let them know youre moving your energy supply so you dont have to do a thing. Electric power systems research xxx 2016 xxxxxx fig. In conclusion, the design of the power supply network of dc electri ed transit railways requires the simulation of the high voltage network when several substations are connected to the same high voltage loop. Traction energy consumption of electric locomotives and.
Nov 25, 2014 electric traction motive power and energy supply by andreas steimel, 9783835672574, available at book depository with free delivery worldwide. Traction power electrification system investigation wmata. Unless the traffic to be handled is heavy, electric traction becomes uneconomical. 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. Internal power supply distribution system iii energy efficient systems 4. Abb traction rectifiers 3 traction power supply is one of the most important parts of the transport infrastructure. If you continue browsing the site, you agree to the use of cookies on this website. Transportation is energy intensive and it is not surprising that electric rail transit operators are amongst the largest consumers of electricity in their urban territory. Traction energy storage system with scib for dc railway. 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.
Utilization of electrical enrgy and electric traction. This paper based on electric spring theory aims to stabilize the voltage of the critical load in traction train auxiliary power supply system. Therefore, no additional power supply arrangement need be. Ppt electric traction system powerpoint presentation free.
During normal operation, taps builds and maintains reserve energy. A traction substation, traction current converter plant or traction power substation tpss is an electrical substation. 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. Traction power supply abb traction rectifiers diode. Mces traction auxiliary power supply taps for vvvf controllers provides backup power when commercial power is lost, safely delivering the elevator car to a landing and maintaining door power so passengers can exit. A practical handbook on the application of electricity. If it is not, you must make separate arrangements with the local network operator for that connection. The 2 or 66kv power supply will be stepped down to 25kv single phase for traction purpose at the three rsss of metro authority and the 25kv traction supply will be fed to the ohe at viaduct through cable feeders. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. One of the major application of an electric drive is to transport men and materials from one place to another. Design of power supply system in dc electrified transit.
Feederless traction power design considerations for new streetcar lines mike collins akio ueno. The chapter on economics of electric power supply and utilisation is revised in this edition. 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. Read or print a copy of our standard terms and conditions for supply of electricity and gas to our small to mediumsized enterprise customers. The focal point of the book will be the disposition of electric traction units powered by threephase induction motors. Basics and practical experience steimel, andreas on. Feederless traction power design considerations for new. Although cophase traction power supply is more advantageous, its development is somehow limited by the high operation voltage and initial cost of the compensator. With tess, daily traction energy consumption was reduced to 575kwhday 17% during weekday and 883kwhday 32% during weekend while reducing the adjacent substation energy consumption as well. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages.
All heating requirements in domestic purposes such as cooking, room heater, immersion water heaters, and. Energy supply basics and practical motive power and. Energy management dc traction power supply mv switchgear. Traction voltage system electric traction introduced in mumbai area on 1500 volt dc traction in 1925. The most vital factor against electric traction is the initial high cost of laying out overhead electric supply system. It is not possible to avail only single phase therefore, each of the three phase system is dropped at subsequent substation and segregated at 25 kv side ohe by a neutral section. Obviously, two electrodes will be required in the case of d.
Power supply 25 kv, ac, 50 hz single phase power supply for electric traction is derived from the grid of state electricity boards through traction substations located along the route of the electrified sections at distance of 35 to 50 km apart. System of electric traction mechanics of train movement. Ppt electric traction system powerpoint presentation. All npower business customers with effect from 1 april 2020. The rating of traction motors fed in parallel by a common converter has to take into account the effect on loadsharing of differences of wheel diameter and of motor characteristics as well as. 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 motive power and energy supply basics and practical experience oldenbourg industrieverlag miinchen. Mar 19, 2015 traction means drawing or pulling something over a surface.
Typical feeding arrangement of 25 kv traction system of indian railways. Analysis of electric powers parameters in supplying of railway electric traction systems. The electric railway traction has both advantages and disadvantages in comparison to the dieselhydraulic or dieselelectrical traction 6. Gtu electrical power utilization and traction semester exam previous year question paper download pdf presentation on economies of traction diesel vs electric ebook download ppt diesel vs electric traction ppt. The detailed terms of reference of the subcommittee is given in annexure i terms of reference of the subcommittee on traction systems, general power supply. Concrete structures of elevated viaducts are not good electrical earths and therefore, earthing and bonding of the traction system shall be in accordance with the latest. Electric traction motive power and energy supply by andreas steimel, 9783835672574, available at book depository with free delivery worldwide. Traction means drawing or pulling something over a surface. Traction power system capacity limitations at various tra. 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. Other advantages include the lack of exhaust fumes at point of use, less noise and lower maintenance requirements of the traction units. Act of drawing or being drawn is known as traction. Power conditioning based on halfbridge converter for. Optimal railroad power supply system operation and design.
Voltage fluctuation of auxiliary power supply system is a nonnegligible factor threatening the safe operation of traction trains. Pdf this paper presents the modeling and simulation of a 25 kv 50 hz ac traction system using power system block set psb. 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. Bine o p e r a t i o n w ith tra ck c ircu it a n d tra c tio n p o w e r re tu rn. The list of all parts of iec 60349 series, published under the general title, electric traction. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Abb, the largest independent provider of dc wayside energy management solutions, offers a complete suite of products for more energy efficient rail transportation and can. Power supply installation in electric traction irieen. By staying here you are agreeing to our use of cookies.
This makes you less vulnerable to market peaks and provides multiple opportunities to achieve a smoothed price. Auxiliary power supply system is an important component of traction trains. A novel electric traction power supply system using hybrid. The commodity, gas or electricity, is purchased over multiple occasions direct from the wholesale market. Electric traction power supply course description power supply systems for electrical traction. If electric supply is used for driving a locomotive, the system is known as electric traction. Activate your online account and get access to your energy on the go. Generally speaking, an electric railway power supply system rpss di. Chapter 7 power supply arrangement 715 detailed project report for pune metro march 2009 return conductor btrc system is proposed for emi mitigation.
Traction auxiliary power supply taps safe, intelligent elevator delivery when commercial power is lost. A free powerpoint ppt presentation displayed as a flash slide show on id. 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. Necessity and description of measurements made by traction measuring car. This paper reports the results of new measurements and calculations that belong to traction energy consumption of electric locomotives and emus. Abb takes over responsibility for design, supply, installation and commissioning of complete traction power supply and distribution. There may be two types of traction classifications on the basis of power supply.
Power failure for few minutes can cause traffic dislocation for hours. Analysis of electric powers parameters in supplying of. Npower northern supply limited company number 2845740. Hybrid electric vehicles hevs, in which two or more power systems are. System such a diesel electric drive, electric drive etc. Traction power supply from design to execution abb offers a vast portfolio for reliable and efficient traction power supply systems. 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.
Transfer of power from stationary equipment to running locomotive is either through. International standard norme internationale electric traction rotating electrical machines for rail and road vehicles. Jun, 20 the most important challenge of traction distribution is to supply electric power to running locomotive. For applications in dc electric traction the naturally cooled silicon diode rectifiers are the most. It links the general ac medium voltage supply system and the dc supply line catenary or third rail of the traction vehicles. Application of electric spring in traction train auxiliary.