Nnelectric traction pantograph pdf

A modified pantograph is used to collect the electric power at the top of an electric locomotive. Pantograph, inversion of four bar chain, straight line mechanism. The main parts of electric traction system are locomotive pantograph, circuit breaker, transformer, rectifier, dc link, main inverter, auxiliary inverter, axle brush. If a line drawing is traced by the first point, an identical, enlarged, or miniaturized copy will be. Arcing at the pantograph distorts the regular waveform of the supply voltage and current and generates transients which propagate along the railway system, including tracks, track circuits, other locomotives on the same track, substation supply transformer, vehicle transformer, etc. High speed train pantograph inspection acuity laser. Pantograph arcing is a more and more common and prominent phenomenon in acelectrified railway systems, especially with the increase of pantograph catenary pac interaction and train speed. Roofmounted pantographs panto roofmounted pantographs for tram lines, metropolitan railways, metros, traction units electrical multiple units emus, trains and locomotives as well as potential specialpurpose vehicles are developed for various overhead line systems and speeds, whereby a raising to and lowering from the overhead line is carried out by an electric or pneumatic drive. Most designs also include a bqm, dwg, gpf, pdf, png and svg.

The technical development target optimised combination of stability, low total weight and small movable masses gives our new generation of singlearm pantographs solid advantages. The vr2d pantograph disconnector is formed by three poles, operated simultaneously. Motive power units and current collection devices shall meet the dimensional requirements herein. Use features like bookmarks, note taking and highlighting while reading pantograph and contact line system high speed railway. S5 traction power 081797 p1 nmra standards s5 traction power collection 1. Pantograph and contact line system comprehensively introduces pantographs, contact lines and their interactions in many areas including geometrics, dynamics, materials, and electricshelpful to understanding the basic theories of interaction between pantographs and contact lines. Retired, john deere product engineering center, waterloo, iowa. It might take a few times to get the hang of it, but the time will be well spent. Most paper pantograhps are printed with two full rows unless otherwise specified and all are printed with partial rows for the next row lineup.

The book examines application techniques for system design, construction and maintenance, and. All pantograph e2e designs are available in paper or digital format. Typically, a single or double wire is used, with the return current running through the rails. Characteristics of the sliding electric contact of pantograph. A free powerpoint ppt presentation displayed as a flash slide show on id. There are five essential ideas to understanding why q traces a scale copy of p. In order to prevent any problems with the pantograph and to enhance the operation of the train system, the use of a laser distance sensor is ideal for pantograph inspections.

The carbon pantograph strips were being used further due to the fact that they didnt achieve their thresholds, which amounts to 5 mm in springautumn and 8 mm in winter. Ppt electric traction powerpoint presentation free to. A pantograph engraving machine, or pantograph engraver, is a pantograph which uses a cutting tool at one position on the pantograph s mechanism to engrave cut into a workpiece a design traced out by a tracer or stylus at another position on the mechanism. Introduction solutions for traction systems our stateoftheart solutions allow our customers to enjoy the benefits of standardized housings combined with maximum reliability. Free pantograph patterns free motion quilting patterns. Often referred to as bread and butter designs, its easy to see why digitized pantographs are the most popular type of design on our site. Effect electric traction power from the catenary to obtain electrical equipment installed in the motorcycle or motor car roof. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. It is used for the reproduction of maps and plans on enlarged or reduced scale. 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. Pdf dc component from pantograph arcing in ac traction.

We offer a wide portfolio of innovative components tailored to the needs of various traction converters and auxiliary power supplies. In this work, a pantograph arcing model was proposed, which considers the effects of the speed of a train on the arcdissipated power. May 24, 2015 the beauty of pantograph lies in its design i. Pantograph arm can be divided into two kinds of bows and bow arms, by skateboarding, the upper frame, lower arm arm.

This material conducts electricity while working as a lubricant. Typically a single wire is used with the return current running through the track. While pantographs date to the 17th century, the origins of the pantograph in typographical use may. Railway technology systems index 001 002 company stemmanntechnik 003 worldwide presence railway products, quality made in germany 004 metro and suburban systems third rail shoegears 005 systems for third rail shoegears 006 components for third rail shoegears 007 008 suburban railway roofmounted pantographs for suburban railway. Solutions for traction systems infineon technologies. Stemmanntechnik railway technology systems suburban rail. Model creation the pantograph model used in this paper is based on the cx pantograph from sncf. Spinal traction is indicated for the treatment of the herniated disc. A pantograph is a 12 long paper quilting design used primarily for midlong arm quilting. For the positivefed overhead traction system, where pantograph is cathode, the supply.

The modeling methodology of tilting train is studied. Continuous line patterns allow for fast, seamless edgetoedge designs to stitchout on the quilt. Noncontact sensor for monitoring catenary pantograph. Pantograph and contact line system highspeed railway, wu. How to use a pantograph takehold of both the tracingstylus, and the leadholder, and move the tracingstylus to a point on your reference photo that you want to begin. If you continue browsing the site, you agree to the use of cookies on this website.

Arc characteristics, formation methods, extinction and reignition of the arc are studied. The electricity required to power the elec tric traction motors is collected by means of a pantograph running on a catenary. Over 50000 disconnecting switches installed in more than 100 countries worldwide give the guarantee of a bestbuy. How to make your own pantograph of different sizes and ratios. Centre pedestal assembley, push rod assembley, steady tube assembly, middle articulation assembly, upper articulation assembly, bow assembly, motor mechanism assembly. Model of a pantograph used is electric traction railway applications for taking power from overhead ht wires. As graphite is brittle, pieces can break off during operation. Electric traction and protection of pantograph using. These asymmetric voltage and current lead to a net dc. Technical, market, and team risks are easier to address with traction. A pantograph or pan, or panto is an apparatus mounted on the roof of an electric train, tram or electric bus to collect power through contact with an overhead line. Dc component from pantograph arcing in ac traction system. When the locomotive is to be started the pantograph is pushed up with the help of air pressure, which is delievered by a small compressor delievring air at pressure of 7kgcm2wh.

Pdf a pantograph arcing model for electrified railways with. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. E2e pantographs quilts complete longarm continuous. This paper present the events that bring about the todays electric traction system and pantograph protection technique. 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. Replacement of the worn out copper pantograph strips fig. System such a diesel electric drive, electric drive etc. The system which use electrical power for traction system i.

This information helps proper focus and triggering of high speed cameras. The pantographcontact wire system plays a core role in the energy. Download it once and read it on your kindle device, pc, phones or tablets. Pdf print control is an acrobat plugin tool for acrobat which is used to take control of how your pdfs print at page level without the need for splitting up the pdf, this product is ideal for printing your pdf files to multiple trays from one pdf file, e. Grisso, asae publication number 9c0403 traction and tractor performance frank m. May 24, 2018 in house video of the ultimate full electric powered door with pantographic motion for yachts and superyachts. A pantograph arcing model for electrified railways with. It has the property that q traces an enlarged, or scale copy of whatever p traces. The horizontal end piece of the pantograph is called head. Pantographs vary in style ranging from simple to very difficult. Pantograph arcing in ac traction system generates transients, and causes asymmetries and distortion in supply voltage and current waveforms.

An overall electrical model, concerning the traction power system and the traction drive system, was further established. Simulating the dynamic interaction between pantograph and. Pantograph drawing tool to copy, reduce, or enlarge art. Conducted and radiated emission from pantograph arcing in ac traction system conference paper pdf available august 2009 with 432 reads how we measure reads. An experimental test setup is designed and implemented to be used in this work. With as steady a hand as you can manage, move the tracingstylus along the outline while watching to make sure the lead is making a mark on the drawing paper. Pdf conducted and radiated emission from pantograph. You can use a pantograph to enlarge or reduce a drawing or image.

Hornby oo l5284 1x class 370 apt fixing unit use between pantograph and motor. Examples of detected defect pantographs will be given. Parts folder included, define their path in file opening window via references tab. Simply select the ratio of reduction or enlargement, connect the clamp to the board and pantograph, and use the trace point to trace over. Its role is to transfer power from the contact line to the electric traction unit. 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.

For both enlargement and reduction, the central pivot screws should always be inserted in holes with the same ratio number in each of the 4 arm sections. Fundraising, hiring, press, partnerships and ac quisitions are all easier with traction. Pantograph transport wikimili, the best wikipedia reader. Included instructions help with the operation of the pantograph. The longarm user follows the line on the paper with a laser light that is attached to the machine.

Pantograph is a set of articulated arms fixed to the roof of the engine. Traction get a grip on your business by gino wickman book report by gary tomlinson introduction. Electric locomotive pantograph is the backbone of any traction system thus, its protection is must for the betterment of the whole system. Ppt electric traction system powerpoint presentation. Our range of pantograph disconnectors is designed to ensure the highest performance, with reliability resulting from our 50year experience. Analysis of the pantograph arcing on the railway vehicle.

Hornby oo spares x6254 1x class 395 javelin blue rapier pantograph kit. This book is not another silver bullet management book or flavorofthe month strategy. A pantograph has one fixed point o the origin, and two special points p and q. A pantograph for rail lines is a hinged electric rod device that collects electric current from overhead lines for electric trains or trams.

A pantograph or pan, or panto is an apparatus mounted on the roof of an electric train, tram or electric bus 1 to collect power through contact with an overhead line. Following on from my post on railway electrification voltages, i thought an introduction to traction substations would be a good idea. There is no interlock side to side on p2p designs, but there will be an interlock top to. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. Results of the experiments are presented and discussed. Influence of pantograph fixing position on aerodynamic.

Pdf electric traction and protection of pantograph using modern. E2e edge to edge designs are continuous line pantograph border sashing designs. When they come close enough, voltage overcomes the airs breakdown resistance and current starts flowing through the air. A pantograph or pan, or panto is an apparatus mounted on the roof of an electric train, tram. Basically, an electric traction system is a system. Traction systems broadly speaking, all traction systems may be classified into two categories. They are perfectly suited for single traction, double traction or multitraction. Pdf understanding pantograph arcing in electrified.

Pdf electric traction and protection of pantograph using. Electric traction system of any country reflects the development of it. Analysis on pantographs pantograph and traction control 19102015 3 4. This includes a survey chapter on all types of pantographs, to put them in context. A pantograph is a system of articulated arms fixed on the roof of the locomotive. Introduction uplift of the contact wire in catenaries caused by a pantograph is a well known safe critical. The term stems from the resemblance to pantograph leverrod devices for copying handwriting and.

The pantograph is a tool for reproducing an image in enlarged and reduced scales. Using a pantograph you make a direct copy or scale the drawing, reduce or enlarge. The main parts of electric traction system are locomotive pantograph, circuit breaker, transformer, rectifier, dc link, main inverter, auxiliary inverter, axle brush, battery, compressor, cooling fans. Apr 24, 2017 pantograph is a set of articulated arms fixed to the roof of the engine. If you charge for your product, it means customers are buying. By performing laboratory tests, it is possible to represent the dynamic behaviour of the cx pantograph by the socalled lumped mass model, represented in figure 2. The present paper describes a prototype of an automatic uplift measurement system capable for pantograph diagnostic. The noncontact sensor for monitoring catenarypantograph interaction nccpi system consists of a linescan camera focused to an infrared screen, so that the contact wire is within the viewing. Contact between a pantograph and an overhead line is usually assured through a block of graphite. Pantographs have been used throughout history to reproduce exact duplicates of works. On tramways, metros or trains, the catenary and pantograph are used to transmit the electricity required to power the motors of the electric train. Influence of pantograph characteristics on the overhead. Motion study not included but it can be added to the assembly. Pdf pantograph arcing in electrified railwaysmechanism.

How can a pantograph in electric trains move up and down. For a survey of pantographs as used in the various stages of typographical matrix making, see the pantograph section of the circuitousroot boook making matrices. Pantograph dynamics and control of tilting train ren luo, jing zeng, weihua zhang traction power state key laboratory, southwest jiaotong university, chengdu 610031, p r china tel. The principal components of a pantograph are a main frame, an arm, a pantograph head and a drive.

Five font stencils and several classic line drawings are provided or develop your own using such sources as coloring books or type and art downloaded to your computer. Battery electric buses are charged at charging stations. The pantograph is a tool for the reproduction of drawings. Quilting stitch patterns machine quilting patterns quilt stitching quilt patterns free top stitching free pattern quilting stencils quilting templates quilting projects making a free motion quilting sample book is a great way to keep a record of your favorite background designs. Dynamics and control of a high speed train pantograph. Our 5 favourite pantographs for beginner longarm quilters.

Abstract for washing of carpets, scrapping is done using a wooden plank. Furthermore whole trains can be modelled in order to investigate the effect of the acceleration and movement of the train with respect to the catenary pantograph dynamics. Its based on realworld experience, practical wisdom and timeless truths. Acuitys ultracompact laser rangefinders can be used to register the distance at very high speeds to the top of the train and the pantograph. A pantograph is a simple device, sometimes in the shape of three diamonds and sometimes in the shape of a parallelogram that is used to make copies of images, including enlarging or shrinking the image. At its beginnings, it was mainly utilised in the central european mines with diffe rent means of traction being applied. Cqp, dxf, hqf, iqp, mqr, pat, qli, ssd, txt, wmf and 4qb or plt. The diamondshaped, electricrod pantograph of the swiss cogwheel locomotive of the schynige platte railway in schynige platte, built in 1911. Aug 21, 20 when two conductors are close together, but not quite touching, air is acting as an insulator between them. Using a variety of router bits, you can create carvings from 2d templates andor 3d models with the milescraft pantograph. Introduction the railway as a means of transport is a very old idea. Pantograph is an apparatus which mounted on the roof of electric train to collect power through with an overhead tension wire. Electric locomotive pantograph view specifications. P2p point to point designs will have the start and stop points at the outer most edges of the design.

The pantograph typically connects to a onewire line, with the track acting as the ground wire. Pdf pantograph arcing in electrified railwaysmechanism and. This is a handy instrument for copying line drawings or other pictures, and enlarging or reducing them in the process. Why an arc takes place when pantograph of an electric.

Typically, a single or double wire is used, with the return current. Traction substations are used to convert electrical power as supplied by the power utility or rail operators own network to a form suitable for providing power to a rail system via third rail or overhead line. Here well make one that enlarges the original by 2. Simulation example in this example the traction of a pantograph on a lowered section has been simulated with four. E2e, longarm, continuous line quilting patterns printed on paper 10 to 12 long. The wire heights specified equivalent to 21 for cityinterurban and 23 for heavy rr type operation will. Pantograph and contact line system high speed railway kindle edition by wu, jiqin. Learn how to use a pantograph to enlarge a drawing.