Electric power technology in the railway industry refers to the means of supplying goodquality electric power to the electric motors. Electric power systems research xxx 2016 xxxxxx 3 fig. Pdf highvoltage dcfeeder solution for electric railways. Auxiliary power is a low voltage ac and dc power supply for different onboard devices. Urban rail systems such as subways and trams transport millions of people every day, o ering a high level of service. Abb powers rail traffic in france background information abb and the railway industry.
Technology technology railway technology today 3 edited by kanji wako railway electric power feeding systems yasu oura, yoshifumi mochinaga, and hiroki nagasawa railways with many long tunnels or on and other countries to minimize rectifi introduction underground railways because the energy cation failures. A given device may be optimized for one of either energy storage or power delivery, at the sacrifice of the other. On the infrastructure side, there is a commitment to increase the highspeed rail network to 4,000 km by 2020. The electrical load flows and the energy consumption within railway power supply networks depend on the running trains and the power supply system. When these 1d components are mounted on systems moving in 3d space figure 1. The remaining element needed is to ensure that charging stations, with the proper types of service i.
Most of these systems are fed by direct current dc. Softronic proudly continues the citys tradition in the locomotive manufacture, our top engineers coming from the former electroputere plant where over 3000 electric and diesel electric locomotives were built. This allows the use of a highvoltage, insulated, conductor rail. Railway electric power feeding systems pdf free download. Third rail is more compact than overhead wires and can be used in smallerdiameter tunnels, an important factor for subway systems. A railway electrification system supplies electrical energy to railway. Pdf railway electrification systems and configurations. These mechanism carries the flap, rack and pinion, gears, freewheel, flywheel, dc generator, battery. Power quality knowing the facts for rail feeder systems part 1 details created. Components of pantograph in electric locomotive duration.
A biobjective maintenance scheduling for power feeding. Dc feeding, lowfrequency ac feeding and publicgrid frequency ac feeding. Much of the electric energy used by railways is actually drawn from the national grid. Fosso department of electric power engineering, norwegian university of science and technology, trondheim, norway abstract dynamical phenomena, such as oscillations and instability in railway power systems, have become of growing concern. The system includes a power source, such as a power generation device or an external power source. Ppt electric traction system powerpoint presentation. Modelling of vehicle powertrains with the modelica powertrain library jakub tobolar martin otter tilman bu. Ppt electric traction system powerpoint presentation free. With almost 100 years in the business, we understand moving applications, and can address the questions and problems involved in selecting a power source that will move with your application. Railway electrification part 1 power supply arrangement youtube. Design of power supply system in dc electrified transit. Optimising power management strategies for railway. Optimising ac electric railway power flows with power electronic control by thanatchai kulworawanichpong a thesis submitted to the university of birmingham.
It is possible to supply power to an electric train by inductive coupling. Abb background information abb powers rail traffic in france 2 signaling, bridges, tunnels, stations, communication, power supply and electrification and rolling stock. What is difference between a feeder and transmission line. Currentgreenandvoltageredoncontactnetworkonthe110kvside. Electrical power generation system using railway track pdf ppt. There are several ways to feed rail traction systems with electric power. This in turn is focusing attention on voltage stability as well as the power quality of the surrounding grids.
To supply the power at loadconsumer end, substation has transformer usually stepdown to change the vol. Some may prefer the illustrations in the pdf version, however. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Taurus packer power feedthru systems are available with an assortment of features to suit your down hole needs, and incorporate essential aspects of taurus technology to insure a tailormade fit to your packer system. Because the charger is built into the vehicle and therefore.
The power supply network is composed of a high voltage network fed. A railway electrification system supplies electrical energy to railway locomotives and multiple units so that they can operate without having an onboard prime mover. 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. Driving the future of hevev with highvoltage solutions. The reason that they are so long is to offer you more options for meeting the requirements. The right choice of the feeding system is decisive for the development of more competitive. 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 feeder units convert ic2 power to railcraft charge which can be used to power electric track. To investigate some of the many technological innovations possible with electric power trains, the. Pdf the investigation of overvoltage transient processes. It consists mainly of ac power feeding equipment such as a large and medium capacity power feeding transformers which convert 3phase alternating current into 2phase alternating current, auto transformers, static var compensators which compensates for imbalance in the power. Power collection via the overhead line and pantograph, introduced nearly 100 years ago early in the history of electric railways, remains basically unchanged in. According to calstart, the advanced transportation consortium in california, 70% of an electric. A hybrid electric vehicle powertrain with faulttolerant.
Design and evaluation of hybrid energy storage systems for. The most energyefficient way of delivering this power is through an electric power sup ply system alongside the railway tracks. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple. Our product portfolio includes traction substations that feed and distribute power to the lines. Abstract urban rail systems such as subways and trams transport millions of people every day, o ering a high level of service. Taurus packer power feedthru systems taurus engineering. Planning, design, implementation, maintenance pdf rainer puschmann a. With more than 200 locomotives modernized, 23 new locomotives.
Volume 10 instruction manual for including the return circuit in electric rail systems date 6152015 2 preface this document is part of a series of instruction manuals, which can be used as guidelines for applying the. Electrical power generation system using railway track final year mechanical engineering project with pdf and ppt. This allows power to be matched to the requirements of any size train to maximize either efficiency or speed this concept has been extended through the use of radiocontrolled slave units distributed through the train. A free powerpoint ppt presentation displayed as a flash slide show on id. They convert 110 kv or 220 kv threephase power from the national power grid to 25 kv singlephase. Roller hanger system this roller hanger system is an economical solution for powering an electric hoist which is easy to install and requires minimal maintenance. Rolf grunbaum, per halvarsson, and bjorn thorvaldsson of abb explain how facts flexible ac transmission systems can enhance power quality in rail feeder systems.
Electrical network structure feeding sections, feeding points. Toshibas electrical equipment is intended to supply highly reliable stable ac power to the ac electric locomotive. Railway electrification part 1 power supply arrangement. Northwest rail electric produces several standard yard power systems and has produced custom yard power packages as well. Igo besselink mechanical engineering, dynamics and control tu eindhoven, the netherlands 2 nd international electric car conference 23 november 2010, groningen, the netherlands page 1. Optimising power management strategies for railway traction. Selection of an electrification system is based on economics of energy supply, maintenance, and capital cost compared to the revenue obtained for freight and. Their main advantages are high energy efficiency and low operating cost. A novel power flow algorithm for traction power supply systems. Modelling of vehicle powertrains with the modelica powertrain. Electric multiple units and locomotives manufacturer. One scheme used in many traditional electrification systems is to supply it directly using the fundamental frequency main power, ie, 5060 hz.
The grid is ac and the battery is dc, so the charger is an acdc system. Simulation of railway power supply systems openpowernet. Modelling of vehicle powertrains with the modelica. Pdf several different type of railway traction electric power system configurations have been used. Svc light2 benefits the power grids feeding railway systems by. Since three converters share one redundant leg, the relative cost of the system is lower than other fourleg faulttolerant inverters that have been reported in literature for motor drives. Power quality knowing the facts for rail feeder systems. Application of linear analysis in railway power system stability studies s. From the outside, the electric vehicle looks like a gasolinepowered vehicle with the exception that the electric vehicle does not have a tail pipe.
Taurus provides a variety of packer power feedthru systems, ranging from traditional top down connectors to lower feedthru systems. The design of the power supply network of dc electri ed transit railways is of great importance and requires the use of simulation models. Three lines in the state and tight radius turns leading wheel running. You dont even have to do all of the work on a single layout you can do some on a club layout, some in your basement, and some on your garden. The investigation of overvoltage transient processes in railway electric power feeding systems conference paper pdf available june 2012 with 145 reads how we measure reads. Modern railway signaling and traction control systems are complex automated systems. Consider a distribution substation which receives power from a transmission line.
Design of power supply system in dc electrified transit railways. Common dc commutating electric motors can also be fed with ac universal motor. Electricity may be sent to the train in different ways. Apr 03, 2015 i will explain it with reference to a substation. The main focus of this arrangement is the harvesting large amount of power from railway track which can be used to power the track.
Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. A hybrid electric vehicle powertrain with faulttolerant capability yantao song bingsen wang. The original care and feeding of power grid tubes was published in 1967. It primarily consists of power conversion technology at substations, feeding circuits for dc and ac feeding systems, and the structure, materials, measurement, and maintenance of the electric overhead lines. You dont even have to do all of the work on a single layout you can do some on a club layout, some in your basement, and some on your garden railroad. Driving the future of hevev with highvoltage solutions 3 july 2017 onboard charging an obc charges the batteries in an hevev by connecting the vehicle to the grid, which is the electric power source. Moreover, the correlation with vehicle dynamics and comfort is signi. Electrification has many advantages but requires significant capital expenditure.
Barnes university of manchester, uk abstract power quality is increasingly important in the consideration of railway systems. Digital electronics allow the realization of intelligent and sophisticated control features, which are widely. Overview of some component packages of the powertrain library. Meppi mitsubishi electric power products, inc meppi mekt 5. With the north of roads were, coming to a remarkable one was in cost. Electrical power generation system using railway track.
The well documented electrical hybrid systems utilize chemical batteries as the storage medium and electric motor generator systems as the energy transfer and control media. Since then, care and feeding has been through four printings. Introduction ailways are basically categorized to electrified and diesel electric systems. Railway technology today 3 edited by kanji wako railway. This classification dictates a majority of their characteristics. A hybrid energy storage system hess attempts to address the storage needs of electric vehicles. Railway electrification system simple english wikipedia. System such a diesel electric drive, electric drive etc. They send the current to the train by third rail or by overhead wires.
Pdf the investigation of overvoltage transient processes in. Model railroad engineer electrical the requirements for model railroad engineer electrical may look long and complicated, but they are not really. A railway electrificatio n syste m suppl ies electric power to ra ilway trains and trams without an onboard prime mover or local fue l supply. Design of power supply system in dc electrified transit railways influence of the high voltage network denis seimbille. Mar 10, 2018 kalpataru power railway division 10,937 views. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. The c track provides sag free support of power and pendent cables, air lines etc. Pdf railway technology today 3 edited by kanji wako. This new, 5th edition includes most of the original material, but updates the book with some presently available technology, including added sections on inductive output tubes and multiphase cooling.
Distributed power is particularly useful for heavy freight trains. Railway power systems in china broke down 32 times in 2004 due to the failures of feeding substations, leading to the power supply failures of over 902 min lin et al. Electric propulsion motor generator, power electronics inverter, and the quad flywheel storage 14 15. Poor power quality affects the performance of trains and introduces problems for local distribution networks. The failures led to significant loss or disruption of railway service. 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. Design and evaluation of hybrid energy storage systems for electric powertrains by karl ba. Fosso department of electric power engineering, norwegian university of science and technology, trondheim, norway abstract dynamical phenomena, such as oscillations and instability in railway power. In 2014, progress is being made in the use of large capacitors to power electric vehicles between stations, and so avoid the need for overhead wires between those stations. Equipment manufacturer transportation systems integrator 5 a no. Application of linear analysis in railway power system.
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